EVERYDAY SCIENCE.pdf

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ORK
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ARD
NARAYAN CHANGDER
EVERYDAY SCIENCE
EVERYDAY SCIENCE
EXPLORING SCIEN-
TIFIC WORLD AROUND US
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NARAYAN
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Contents
1 EVERYDAY SCIENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1. EVERYDAY SCIENCE
1. What does Heterotrophic mean?
(A) Makes food in its own body to survive.
(B) Single-celled
(C) Eats food from outside its body to sur-
vive.
(D) Multi-celled
2. Ecology focuses on six levels of organiza-
tion. From smallest to biggest, these are:
(A) Biosphere-Community-Ecosystem-
Population-Biome-Individual
(B) Individual-Population-Community-
Ecosystem-Biome-Biosphere
(C) Biosphere-Biome-Community-
Ecosystem-Biome-Individual
(D) none of above
3. What part of an insect’s body help it smell
and feel?
(A) legs
(B) antennae
(C) thorax
(D) abdomen
4. A chemical substance that transmits nerve
impulses across a synapse
(A) Neurotransmitter
(B) Axon
(C) Synapse
(D) Nerve
5. Which of the following is a list of things
you might use to study how the xylem
works?
(A) carrot, celery, glasses of water, food
coloring
(B) carrot, celery, plastic bags, ice cubes
(C) carrot, celery, boiling water, a freezer
(D) carrot, celery, thermometer, light
source
6. What is prokaryotic?
(A) An organism that lacks a nucleus
(B) An organism that is harmful to bacte-
ria
(C) An organism that has a nucleus
(D) the organ that helps bacteria move
7. The fungi have on and thus cannot pho-
tosynthesize.
(A) Leaves
(B) Chlorophyll
(C) cells
(D) Internal system
8. If I am a red blood cell and I am in the right
ventricle where do I go next?
(A) Right Atrium
1. C 2. B 3. B 4. A 5. A 6. A 7. B 8. D

NARAYAN
CHANGDER
4 Chapter 1. EVERYDAY SCIENCE
(B) Left Atrium
(C) Pulmonary Vein
(D) Pulmonary Artery
9. Fossils from what kind of organisms are
most often found?
(A) Jungle
(B) Horses
(C) aquatic
(D) land bound
10. Represent the speed of light, 300, 000,
000 meters per second, using scientific no-
tation.
(A) 3.0 x 108
(B) 3.0 x 10-8
(C) 0.3 x 107
(D) 3.0 x 109
11. Which Kingdom is this? -Prokaryotic-
Heterotrophic or Autotrophic-Unicellular-
Motile
(A) Animalia
(B) Protista
(C) Eubacteria (Bacteria)
(D) Archaea (Archaeabacteria)
12. Why do nonvascular plants grow close to
the ground?
(A) to get less sunlight
(B) for protection
(C) for space
(D) to absorb water
13. What are most of your body’s bone asso-
ciated with
(A) Muslces
(B) Nerves
(C) Blood
(D) none of above
14. The peripheral lymphoid organs are
(A) a tonsils
(B) b adenoids
(C) C lymph node
(D) d all the above
15. Cladograms are constructed by grouping
organisms together based on their
characteristics.
(A) shared
(B) different
(C) similar
(D) opposite
16. a geological theory explaining the move-
ment of Earth’s crust
(A) plate tectonics
(B) continental drift
(C) Pangaea
(D) transform boundary
17. What process creates more viruses?
(A) Reproduction
(B) Regeneration
(C) Replication
(D) Multiplication
18. Conservation of mass means
(A) The mass of a substance after a chem-
ical reaction increases
(B) The mass of a substance after a chem-
ical reaction doesn’t change
(C) The mass of a substance after a chem-
ical reaction decreases
(D) none of above
19. Scientists are studying only the birds, fish,
crabs, and grass. What level of environ-
mental organization are they studying?
(A) Organism
(B) Population
(C) Community
(D) Ecosystem
9. C 10. A 11. C 12. D 13. A 14. D 15. A 16. A 17. C 18. B 19. C 20. B

5
20. What are the reactants found in Cellular
Respiration?
(A) Oxygen (O2) and Carbon dioxide
(CO2)
(B) Oxygen (O2) and Glucose (C6H12O6)
(C) Carbon dioxide (CO2), Water (H2O)
and Energy
(D) none of above
21. Which is a characteristic of all nonfoliated
metamorphic rocks?
(A) presence of fossils
(B) cleavage planes
(C) lack of banding
(D) metallic luster
22. The portion of the Earth’s atmosphere fur-
thest from us is known as the
(A) Troposphere
(B) Stratosphere
(C) Thermosphere
(D) Exosphere
23. The body cells of both plants and animals
divide mitotically to produce identical cells.
The stage at which the chromosomes are
aligned exactly in the middle of the spindle,
each attached to the spindle fibres (micro-
tubule) is called.
(A) Prophase
(B) Metaphase
(C) Anaphase
(D) Interphase
24. Which of the following is a structure asso-
ciated with the nervous system?
(A) Nephridia
(B) Ganglia
(C) Flame cells
(D) Crop
25. How do cnidarians absorb oxygen from
the water and expel carbon dioxide?
(A) Through their tentacles
(B) Through diffusion
(C) By using their nematocysts
(D) By using their respiratory organs
26. What is pollination?
(A) the transfer of pollen from the anther
to the stigma
(B) the union of pollen and egg cells in the
ovary of the flower
(C) the dispersal of seeds to a new loca-
tion
(D) the transfer of cash in a business
transaction between plants
27. The waste products of cellular respiration
consists of
(A) Oxygen and Water
(B) Oxygen and Glucose
(C) Carbon Dioxide and Oxygen
(D) Carbon Dioxide and Water
28. Amphibians breathe through their
(A) Ears
(B) Nose
(C) Mouth
(D) Skin
29. What is responsible for blood clotting?
(A) Corpuscules
(B) Protein
(C) Hemoglobin
(D) Plasma
30. The lab tech noticed that the cells were not
in correct solution and diluted it to a con-
centration of 0.5% NaCl. What will hap-
pen to the cells?
(A) They will be normal
(B) They will swell
(C) They will stay shriveled
(D) none of above
21. C 22. D 23. B 24. B 25. B 26. A 27. D 28. D 29. D 30. B 31. B

NARAYAN
CHANGDER
31. When collecting evidence, tall plants and
vines should be
(A) Coiled up
(B) Zigzagged
(C) Frozen
(D) Cut in segments
32. Which adaptation does not allow birds to
fly?
(A) Hollow Bones
(B) Modified front limb into a wing
(C) Enlarged Kidney
(D) Air Sacs
33. The mass of ethanedioic acid, H2C2O4 in
250 cm3 of0.25 mol dm-3 solution is
(A) 5.625 g
(B) 11.250 g
(C) 22.500 g
(D) 33.750 g
34. Most of the changes in materials are phys-
ical or.
(A) Permanent
(B) Compound
(C) Chemical
(D) Hard
35. The main control center in an animal body;
part of the central nervous system.
(A) Brain
(B) Brain Stem
(C) Spinal Cord
(D) Nervous System
36. This type of glia cell attacks microbes and
removes debris.
(A) Neurilemma
(B) Astroglia
(C) Microglia
(D) Oligodendrocyte
37. What is the name of the process where
particles move from a high concentration
to a low concentration (down a concentra-
tion gradient)?
(A) Diffusion
(B) Osmosis
(C) Active Transport
(D) none of above
38. Cells that serve us metabolic support for
sieve-tube members.
(A) Companion Cells
(B) Sieve Cells
(C) Tracheids
(D) Sclereids
39. In which part of the cell does cellularrespi-
ration take place in an animal cell?
(A) cell membrane
(B) mitochondria
(C) nucleus
(D) none of above
40. Cell organelles are embedded in
(A) Nucleolus
(B) Cytoplasm
(C) Protoplasm
(D) Mitochondria
41. Selye’s GAS model consists of three
stages called
(A) Alarm, Reaction, Exhaustion
(B) Alarm, Resistance, Exhaling
(C) Alarm, Resistance, Exhaustion
(D) Alert, Resistance, Exhaustion
42. What objects helped set a baseline of time
for our evidence so we could compare all
other evidence to it in order to determine
how long ago our planet formed
(A) Jack Hill rocks
(B) Chondrite meteors
(C) Martian meteors
(D) Moon rock samples
32. C 33. A 34. C 35. A 36. B 37. A 38. A 39. B 40. B 41. C 42. B 43. C

7
43. Which of the following is not an end prod-
uct of the Kreb’s cycle?
(A) FADH2
(B) CO2
(C) pyruvate
(D) ATP
44. A frog that breathes air and has legs is in
the stage.
(A) metamorphosis
(B) egg
(C) tadpole
(D) adult
45. What is environment?
(A) everything
(B) surroundings
(C) objects
(D) living things
46. Which of the organisms below is likely to
be in the bottom trophic level of a food
chain?
(A) leopard seal
(B) algae
(C) krill
(D) killer whale
47. The name of C4H10 compound is
(A) Butane
(B) Butene
(C) Buteen
(D) Butyne
48. Which of the following glands acts both as
endocrine and exocrine glands?
(A) Pancreas
(B) Thyroid
(C) Pituitary
(D) Adrenal
49. Name a characteristic of the plant kingdom
(A) Multi celled
(B) Mostly single celled
(C) Single celled
(D) Lacks a nucleus
50. Who discovered and named cells?
(A) Captain Hook
(B) Robert Hooke
(C) Zacharias Janssen
(D) Rudolf Virchow
51. what form does nitrogen take in the envi-
ronment
(A) n-2 gas
(B) nitrates
(C) nitrifying bacteria
(D) dentrifying bacteria
52. What is the function of the cell mem-
brane?
(A) Selective Permeability
(B) Permeability
(C) Half Permeability
(D) It has no function
53. Bacteria get new genetic information by
exchanging it with other bacteria. This is
called
(A) replication
(B) binary fission
(C) conjugation
(D) transfusion
54. What kind of stimuli would cause you to
shiver?
(A) Being very excited about a new bike.
(B) Jumping into a cold shower.
(C) Running really fast.
(D) none of above
44. D 45. B 46. B 47. A 48. A 49. A 50. B 51. A 52. A 53. C 54. B 55. C 56. C

NARAYAN
CHANGDER
55. Which of the following are isomers of
pentane? I. 2-methylpentaneII. methylbu-
taneIII. dimethylpropane
(A) I and II only
(B) I and III only
(C) II and III only
(D) I, II and III
56. Definition:Regions containing actively di-
viding cells.
(A) Vascular
(B) Guard Cells
(C) Meristem
(D) Xylem
57. Polyps are , while medusa are
(A) sessile, motile
(B) motile, sessile
(C) both motile and sessile, just motile
(D) none of above
58. What do you mean by the term fauna?
(A) Plant kingdom
(B) Animal kingdom
(C) Both plant and animal kingdoms
(D) A part of plant kingdom
59. Which organelle is the primary site of ATP
synthesis in eukaryotic cells?
(A) lysosome
(B) vacuole
(C) mitochondria
(D) Golgi apparatus
60. Animals belonging to different classes of
Vertebrates have developed similar adap-
tational features to a particular type of
habitat.This phenomenon in called.
(A) Convergent evolution
(B) Adaptive radiation
(C) Mimicry
(D) Parallel evolution
61. The loss of that occurs at each trophic
level places a limit on how many top-level
carnivores a community can support.
(A) energy
(B) water
(C) light
(D) CO2
62. Which statement made by a student af-
ter examining a rock specimen is an infer-
ence?
(A) The rock is of igneous origin
(B) The rock has round edges
(C) The rock is light-colored
(D) The rock contains large crystals
63. The involuntary muscles are controlled by
the.
(A) Cerebrum
(B) Cerebellum
(C) Medulla oblongata
(D) Pons
64. Why do scientist believe the outer core is
liquid?
(A) they cannot pickup S-waves in
shadow of core
(B) they cannot pick up P-waves in
shadow of core
(C) refraction of Love waves
(D) a lava monster leaked the informa-
tion in a magma bubble belch
65. a strong, flexible polysaccharide that is
found in the cell walls of all fungi and in the
exoskeletons of insects and crustaceans.
(A) chitin
(B) fruiting body
(C) hyphase
(D) mycelium
66. The backbone is made up of little ring-
shaped bones called:
(A) Vertebrates
57. A 58. B 59. C 60. A 61. A 62. A 63. C 64. A 65. A 66. D 67. A

9
(B) Verdigris
(C) Vertigo
(D) Vertebrae
67. What type of rock forms when mineral
constituents in solution become supersat-
urated and inorganically precipitate?
(A) Chemical Sedimentary Rock
(B) Clastic Sedimentary Rock
(C) Organic Sedimentary Rock
(D) none of above
68. Small, toothlike spines that increase the
swimming efficiency of cartilaginous fish
are called
(A) operculum
(B) placoid scales
(C) fusiforms
(D) swim bladder
69. An area of land that is periodically under-
water
(A) Coral Reef
(B) Marshes
(C) Wetland
(D) Swamp
70. What is it called when CO2 is absorbed
by the ocean and reacts with seawater to
produce acid.
(A) water pollution
(B) ocean acidification
(C) seaweed salad vinegar
(D) hydrochloric acid
71. What is the name for a broken bone?
(A) periosteum
(B) compound
(C) fraction
(D) fracture
72. Who showed first that the Earth is a giant
magnet?
(A) William Gilbert
(B) Alfred Wegener
(C) R.a Dally
(D) Gerardus Mercaton
73. Which are of chemistry focuses on
molecules that contain carbon?
(A) Inorganic
(B) Organic
(C) Biochemistry
(D) Quantitative
74. The is the solid Earth.
(A) hydrosphere
(B) atmosphere
(C) geosphere
(D) biosphere
75. Prognathous chin is characteristic of.
(A) Man
(B) Apes
(C) Tiger
(D) Cat
76. Name the study of atmospheric phenom-
ena for weather forecasting.
(A) Oncology
(B) Carcinology
(C) Pharmacology
(D) Obstetrics
77. In sponges food is caught by the cells
called.
(A) Pinacocytes
(B) Archaeocytes
(C) Choanocytes
(D) Thesocytes
78. In what way are photosynthesis and cel-
lular respiration similar?
(A) They both occur in chloroplasts.
(B) They both require sunlight.
68. B 69. C 70. B 71. D 72. B 73. B 74. C 75. B 76. C 77. C 78. C 79. C

NARAYAN
CHANGDER
(C) They both involve organic and inor-
ganic molecules.
(D) They both require oxygen and pro-
duce carbon dioxide.
79. What is found at the end of long bones to
reduce friction and absorb shock?
(A) red marrow
(B) yellow marrow
(C) cartilage
(D) spongy bone
80. Osmosis is the movement of
(A) salt
(B) sugar
(C) water
(D) none of these
81. The study of behaviour of electrons their
production and use of movement of elec-
trons for useful technology is called.
(A) Electronics
(B) Electrography
(C) Electrostatics
(D) Electromagnetism
82. This term refers to the production of ATP
without oxygen being present.
(A) anaerobic
(B) prokaryotic
(C) biogenic
(D) organic
83. Breastbone
(A) sternum
(B) clavicle
(C) scapula
(D) radiius
84. How many thing(s) make your circulatory
system?
(A) 6
(B) 1
(C) 3
(D) 5
85. The mass of CO2 is 44g . Then the molar
mass of 1 mole of CO2 will be:
(A) 44
(B) 22
(C) 88
(D) none of above
86. is how closely the result of an exper-
iment agrees with the “true” or expected
result.
(A) Accuracy
(B) Presision
(C) Sensitivity
(D) Specificity
87. is when one cell reproduces by division
in half to become two cells.
(A) conjugation
(B) binary fission
(C) parasitism
(D) natural selection
88. Saltwater is classified as what type of
matter?
(A) an atom
(B) an element
(C) a compound
(D) a mixture
89. What is a cell?
(A) the basic unit of life
(B) a group of tissues working together
to perform a function
(C) the largest level of biological organi-
zation
(D) none of above
90. How do yeast produce ATP when there is
no oxygen available?
(A) lactic acid fermentation
(B) aerobic respiration
(C) alcoholic fermentation
(D) photosynthesis
80. C 81. A 82. A 83. A 84. C 85. A 86. A 87. B 88. D 89. A 90. C 91. C

11
91. The nucleus of cancer cell when compared
to a normal cell is:
(A) equivalent
(B) smaller
(C) larger
(D) multifaceted
92. BONE CELL THAT DESTROYS BONE
(A) OSTEON
(B) OSTEOCYTE
(C) OSTEOCLAST
(D) OSTEOBLAST
93. Which type of rock forms from extreme
heat and pressure?
(A) Igneous
(B) Sedimentary
(C) Organic
(D) Metamorphic
94. This is a disease found mostly in the el-
derly.
(A) Scoliosis
(B) Osteoporosis
(C) Osteomalacia
(D) Breaks, sprains, and fractures
95. Oxygen
(A) mixture
(B) compound
(C) element
(D) none of above
96. Your blood is made up of which of the fol-
lowing
(A) plasma, red blood cells, blue blood
cells
(B) white and red blood cells
(C) plasma and platelets
(D) plasma, red blood cells, white blood
cells, and platelets
97. What type of rocks are gneiss, phyllite,
schist, and slate have a layered or banded
appearance that are produced by exposure
to heat and directed pressure?
(A) Foliated Metamorphic Rocks
(B) Non Foliated Metamorphic Rocks
(C) Organic Metamorphic rock
(D) none of above
98. Which of the following pumps blood to and
from the heart and is considered as the
strongest muscle of our body?
(A) platelets
(B) blood vessels
(C) blood
(D) heart
99. What are the three layers found in a ma-
ture soil profile?
(A) Sand, silt, and loam
(B) Gravel, sand, and silt
(C) Topsoil, humus, and parent material
(D) Topsoil, subsoil, and parent material
100. The procedure used by scientists to find
a cause and effect relationship is the
(A) standard deviation
(B) correlation
(C) experimental method
(D) model synthesis
101. Why are dwarf planets not considered as
a regular planet?
(A) It is not orbiting around a star
(B) It has no sufficient mass to assume
hydrostatic equilibrium
(C) It has not cleared its neighboring re-
gions of other objects
(D) It is not spherical enough
102. An onion is an example of a
(A) tuber
(B) rhizome
(C) bulb
(D) runner
92. C 93. D 94. B 95. C 96. D 97. A 98. C 99. C 100. C 101. C 102. C 103. B

NARAYAN
CHANGDER
103. A group of similar cells working together
to perform a function.
(A) cell
(B) tissue
(C) organ
(D) system
104. What is the valency of hydrogen?
(A) +1
(B) 2
(C) -1
(D) +2
105. Which of the following is an example of
exponential growth?
(A) Mold on Bread
(B) Each generation replacing them-
selves
(C) Whales having 1-2 offpsring a year
(D) Birds laying 3-4 eggs a year
106. Red, blue and green are considered to be
the.
(A) Secondary colours
(B) Primary colours
(C) Beautiful colours
(D) Natural colours
107. A tadpole growing into an adult frog is
an example of
(A) Complete Metamorphosis
(B) Molting
(C) Brooding
(D) Amphibian
108. Most primitive vascular plants are
(A) Brown algae
(B) Sphagnum
(C) Ferns
(D) Cycads
109. Are considered to be non-living organ-
isms
(A) Viruses
(B) Bacteria
(C) Both viruses and bacteria
(D) none of above
110. The stores food, water, wastes, and
other materials in both plant and animal
cells.
(A) Vacuole
(B) Mitochondria
(C) Cytoplasm
(D) Nucleus
111. A dislocation
(A) Displacement of a bone
(B) Compact bone
(C) Spongy Bone
(D) none of above
112. Which enzyme adds base pairs to elon-
gate single stranded DNA?
(A) Exonuclease
(B) DNA Ligase
(C) Primase
(D) DNA polymerase
113. The rate of heart beat is accelerated by
hormone.
(A) Adrenaline
(B) Acetycholine
(C) Thyroxine
(D) Prolactin
114. To what reptile order do Caimans be-
long?
(A) Crocodilia
(B) Rhynchocephalia
(C) Squamata
(D) Testudines
104. C 105. A 106. B 107. A 108. C 109. A 110. A 111. A 112. D 113. A 114. A
115. C 116. A

13
115. Today, waste is buried in the ground
or piled up in large, carefully engineered
mounds called
(A) incinerators.
(B) material recovery facilities.
(C) sanitary landfills.
(D) surface impoundments.
116. What is the study of the composition,
structure, and properties of MATTER?
(A) Chemistry
(B) Biology
(C) Geology
(D) Physics
117. A test cross is one which is made to de-
termine the.
(A) Phenotype
(B) Genotype
(C) Purity
(D) Resistance
118. Tendons attach-
(A) bone to bone
(B) bone to ligaments
(C) muscle to muscle
(D) bone to muscle
119. Of the billions of stars in our galaxy,
why is the Sun the only star in the galaxy
that supplies energy to Earth?
(A) The Sun is the closest star.
(B) The Sun is the hottest star.
(C) The Sun is the biggest star.
(D) The Sun is the oldest star.
120. Which of the following is not a character-
istic of a mixture?
(A) has varying properties
(B) has a fixed composition
(C) are not a pure substance
(D) none of above
121. Group that serves as a standard of com-
parison in an experiment (DOES NOT re-
ceive experimental treatment)
(A) Control Group
(B) Experimental Group
(C) Data
(D) Prediction
122. About how much does the brain weigh?
(A) 2 pounds
(B) 3 pounds
(C) 4 pounds
(D) 8 pounds
123. A person usually breathes an average of
how many pints?
(A) 7 pints
(B) 52 pints
(C) 4 pints
(D) 13 pints
124. The vascular outer covering of the bone
is called
(A) disphysis
(B) epiphysis
(C) osteon
(D) periosteum
125. A viral infection that weakens a person’s
immune system for the rest of their life is..
(A) strep throat
(B) HIV/AIDS
(C) tuberculosis
(D) the plague
126. is when an area is disturbed due by
a natural disaster (forest fire) all of the
plants return in a very specific order.
(A) Primary Succession
(B) Secondary Succession
(C) Climax Community
(D) Ecological Succession
117. B 118. D 119. A 120. B 121. A 122. B 123. D 124. D 125. B 126. D 127. A

NARAYAN
CHANGDER
127. comprises only 2 PPM (parts per mil-
lion)of atmosphere but it is 30 times more
effective than carbon dioxide in warming
action.
(A) Methane
(B) Chlorofluoro carbons
(C) Sulphur
(D) Nitrous oxide
128. A close relationship between two organ-
isms is called a(an)
(A) pasteurization
(B) endospore
(C) respiration
(D) symbiosis
129. Population increases at a constant rate
over time.
(A) Exponential Growth
(B) Logistic Growth
(C) Stable Growth
(D) Strategic Growth
130. Which organelle is where protein synthe-
sis happens?
(A) Chloroplast
(B) Mitochondria
(C) Ribosome
(D) Nucleus
131. In what organelle does cellular respira-
tion take place in?
(A) Chloroplast
(B) Ribosome
(C) Mitochondria
(D) Endoplasmic Reticulum
132. Which process removes carbon from the
atmosphere?
(A) combustion
(B) cellular respiration
(C) photosynthesis
(D) decomposition
133. The atomic number tells you what?
READ THE ANSWERS CAREFULLY
(A) only the number of electrons
(B) only the number of protons
(C) only the number of neutrons
(D) the number of both electrons and pro-
tons in an atom.
134. The reproductive cells of fungi are called:
(A) pollen
(B) seeds
(C) spores
(D) mold
135. if you put a plant in salt water it will
(A) swell because water diffuses into the
cells
(B) swell because water diffuses out of
the cell
(C) shrivel because water diffuses out of
the cell
(D) none of above
136. Island chain that inspired Darwin
(A) Galapagos
(B) Phillipines
(C) Hawaiian
(D) Barrier
137. Which fossil fuel has the least amount of
pollution produced?
(A) Coal
(B) Oil
(C) Natural Gas
(D) Solar
138. A hawk eats a mouse that lived in an
ecosystem where there is 10, 000 kcals of
energy in the insect population the mouse
consumes. How much energy, in kcals,
moves up to the trophic level the hawk is
in?
(A) 1 kcals
(B) 10 kcals
(C) 100 kcals
(D) 1000 kcals
128. D 129. A 130. C 131. C 132. C 133. B 134. C 135. C 136. A 137. C 138. C
139. A

15
139. In what form of symbiosis does one or-
ganism benefit, while the other is unaf-
fected?
(A) commensalism
(B) parasitism
(C) predation
(D) mutualism
140. consumes wastes and dead organisms
(A) decomposers
(B) consumers
(C) prey
(D) predator
141. Receives blood from the left atrium and
pumps the blood into the aorta for trans-
port to the body cells
(A) Right atrium
(B) Right ventricle
(C) Left atrium
(D) Left ventricle
142. Balance this equation Zn+ HCl→
ZnCl2 + H2
(A) 1, 1, 2, 1
(B) 1, 1, 1, 2
(C) 1, 2, 1, 1
(D) 2, 1, 1, 1
143. How many atoms is in this formula? Na2
CO3
(A) 3
(B) 4
(C) 5
(D) 6
144. Which of the following graphs is com-
monly use to check for normality?
(A) Histogram
(B) Box plot
(C) Q-Q plot
(D) P-P plot
145. If an accident happens in the lab area,
you should immediately notify your
(A) mother
(B) lab partner
(C) nurse
(D) teacher
146. What are the main systems of the Ner-
vous System?
(A) CNS, SNS
(B) CNS, PNS
(C) SNS, XNS
(D) RNS, PNS
147. Cells make up
(A) Tissues
(B) Organs
(C) Organ systems
(D) more cells
148. At a depth of between about 1650 and
feet, a sound channel exists where
sound waves can be tapped and also along
which sound waves can travel for large dis-
tances.
(A) 2000
(B) 5000
(C) 2500
(D) 3300
149. The leaf blight of paddy is caused by.
(A) Bacteria
(B) Virus
(C) Nematodes
(D) Fungus
150. Bacteria that are consumers
(A) make their own food.
(B) feed on other organisms
(C) feed on dead organisms
(D) none of these
140. A 141. D 142. C 143. D 144. A 145. D 146. B 147. A 148. B 149. A 150. B
151. B

NARAYAN
CHANGDER
151. Which of the following is a definition of
respiration?
(A) breathing
(B) the release of energy from food
(C) obtaining oxygen and releasing car-
bon dioxide
(D) exchanging gases
152. What structures allow plants to obtain
water?
(A) stomates
(B) guard cells
(C) roots
(D) leaves
153. The cell membrane is selectively perme-
able. What does “selectively permeable”
mean?
(A) All thing can enter.
(B) Nothing can enter.
(C) Some things can, others can’t enter.
(D) none of above
154. A host is
(A) A non-living thing
(B) A living thing
(C) A submarine
(D) none of above
155. What are the parts of the ATP molecule?
(A) adenine, thylakoids, stroma
(B) stroma, grana, chlorophyll
(C) adenine, ribose, phosphate groups
(D) NADH, NAHPH, FADH
156. The outer layer of the meninges is the
(A) arachnoid mater
(B) pia mater
(C) dura mater
(D) choroid plexus
157. what do you call a group of oak trees in
a forest
(A) Population
(B) organism
(C) Community
(D) none of above
158. Wegener noticed that the edges of some
continents
(A) were exactly the same
(B) overlapped each other
(C) were covered with mountains
(D) fit together like puzzle pieces
159. Study of plants’ internal structure.
(A) Plant Ecology
(B) Plant Anatomy
(C) Plant Morphology
(D) Plant Physiology
160. In Earth’s atmosphere water vapor and
pressure have a
(A) intermittent relationship
(B) indirect relationship
(C) direct relationship
(D) undetermined relationship
161. What mineral are bones made of?
(A) Vitamin C
(B) Calcium
(C) Zinc
(D) Vitamin B
162. Total root parasite is
(A) Cuscuta
(B) Santalum
(C) Monotropa
(D) Rafflesia
163. A material or energy source provided by
nature that people need to survive
(A) natural resource
(B) environment
(C) ecological footprint
(D) fossil fuel
152. C 153. C 154. B 155. C 156. C 157. A 158. D 159. B 160. B 161. B 162. D
163. A 164. A

17
164. which of these does not make up a lichen
(A) moss
(B) fungi
(C) protist
(D) none of above
165. What cells are primarily found in celery
used for structure?
(A) Collenchyma
(B) Sclerenchyma
(C) Parenchyma
(D) Sieve Tube Cells
166. Scientific theories are based on
(A) general assumptions of how systems
work.
(B) mathematical principles that can be
proven true.
(C) large amounts of data collected over
time.
(D) observations from within only one sci-
entific discipline.
167. What is the function of the cell mem-
brane, in ALL living organisms?
(A) Provides support and structure in the
cell.
(B) Synthesizes protein for ATP for the
cell.
(C) Storage of raw materials (food) and
ATP for the cell.
(D) Regulates the transport of materials
into and out of the cell.
168. Most fungi reproduce by using
(A) Budding
(B) Eggs
(C) Spores
(D) Zoanthropy
169. Site where ribosomes are made
(A) Nucleolus
(B) Nucleus
(C) Ribosomes
(D) Mitochondria
170. Where does the absorption of water and
salts take place?
(A) Small intestine
(B) Largo intestine
(C) Kidney
(D) Bladder
171. What is the observation obtained when
alkene react with acidified KMnO4
(A) decolourize purple solution
(B) decolourize reddish brown solution
(C) decolourize blue solution
(D) yellow precipitate formed
172. Which tubes transport the sugar from
the leaves throughout the plant?
(A) phloem
(B) xylem
(C) stem
(D) roots
173. An obnormality in which heart valves be-
come leaky and narrowed, reducing car-
diac function may be due to.
(A) Atherosclerosis
(B) Atherosclerosis and smoking
(C) Rheumatic fever
(D) Coronary occlusion
174. What are cell membranes mostly made
of?
(A) Carbohydrates
(B) Phospholipid
(C) Lipids
(D) Triglyceride
175. What gas is released, in the greatest
quantity, by an aquatic plant being ex-
posed to light?
(A) oxygen
(B) carbon dioxide
(C) water
(D) nitrogen
165. A 166. C 167. D 168. C 169. A 170. B 171. A 172. A 173. C 174. B 175. A
176. B

NARAYAN
CHANGDER
176. Actions which are under your control
(A) involuntary
(B) voluntary
(C) brain
(D) vertebrae
177. This bacterial infection is carried by the
dog tick and while curable, it can be lethal
(A) Lyme disease
(B) Malaria
(C) Rocky Mountain Spotted Fever
(D) African Sleeping Sickness
178. The blood plasma consist
(A) a 50%
(B) b 70%
(C) a 40%
(D) d 60 %
179. bones include the vertebra of the
back.
(A) Irregular
(B) Flat
(C) Short
(D) Long
180. The upwards phase of a bicep curl would
be which movement?
(A) Extension
(B) Flexion
(C) Circumduction
(D) Rotation
181. Cell in which a virus reproduces
(A) endospore
(B) host cell
(C) bacteriophage
(D) plasmid
182. The easiest component of biodiversity to
measure is
(A) ecosystem diversity
(B) species diversity
(C) genetic diversity
(D) ecosystem health
183. Skull
(A) a structure of bone found in the lungs
of animals
(B) a structure of bone found in the legs
of animals
(C) a structure of bone found in the heads
of animals
(D) none of above
184. What does “powerhouse” of the cell
mean?
(A) it give the cell greater speed
(B) it allows the cell to grow larger
(C) it is the energy center
(D) it is the “tough” part of the cell
185. What is the process of making sense of
the results of an experiment?
(A) publication
(B) analysis
(C) communication
(D) none of above
186. IS A TUBE LIKE STRUCTURE WHICH
IS ATTACHED TO THE BRAIN .
(A) SPINAL CORD
(B) NERVES
(C) SKELETON
(D) KIDNEY
187. Prothallus is a
(A) sporophytic stage of fern
(B) gametophytic stage of fern
(C) Sporophytic stage of mosses
(D) gametophytic stage of mosses
188. The following are natural sources of air
pollutants except:
(A) Volcanoes
(B) Forest fires
(C) Sea waves
(D) Vehicular emissions
177. C 178. D 179. A 180. B 181. B 182. B 183. C 184. C 185. B 186. A 187. B
188. D 189. B

19
189. This organ allows fish to sense changes
in water pressure.
(A) Nare
(B) Lateral Line
(C) Operculum
(D) Vent
190. Who among the following has not cham-
pioned the modern, synthetic theory of or-
ganic evolution?
(A) Julian Huxley
(B) T.Dobzanski
(C) G.L. Stebbins
(D) De Vries
191. A virus acts like a
(A) leukocyte
(B) parasite
(C) parachute
(D) paramedic
192. How many germ (tissue) layers do
cnidarians have?
(A) 1
(B) 2
(C) 3
(D) 4
193. Which of these is characteristic of both
viruses and bacteria?
(A) They get their energy from their envi-
ronment.
(B) They can reproduce on their own.
(C) They can form crystals and become
dormant.
(D) They contain proteins and nucleic
acids.
194. of light is a change in direction that a
ray of light undergoes when it posses from
a transparent medium of one density into
another medium of a different density.
(A) Defraction
(B) Reflection
(C) Refraction
(D) Depression
195. When a population changes in response
to changes in another species, this is
known as
(A) Coevolution
(B) Convergent Evolution
(C) Divergent Evolution
(D) Sympatric Speciation
196. All of the following are general charac-
teristics of a substance in the liquid state
except
(A) Definite volume
(B) Able to flow
(C) Not easily compressed
(D) Definite shape
197. Locations in the Northern Hemisphere
are warmest in summer because sunlight
in summer is
(A) least intense and of shortest duration
(B) least intense and of longest duration
(C) most intense and of shortest duration
(D) most intense and of longest duration
198. This type of vessel carries blood TO the
heart:
(A) vein
(B) nerve
(C) capillary
(D) artery
199. Which organelle in the human body helps
our body carry out cellular respiration?
(A) chloroplast
(B) mitochondria
(C) chlorophyll
(D) none of above
200. In prokaryotes a hair like outgrowths
that are attached to the surface of the bac-
terial cells are called
190. D 191. B 192. B 193. D 194. C 195. A 196. D 197. D 198. A 199. B 200. A

NARAYAN
CHANGDER
(A) Pili
(B) Capsule
(C) Microvilli
(D) Plasmids
201. Which of these statements is false con-
cerning covalent bonds?
(A) atoms share electrons
(B) proteins possess many covalent
bonds
(C) water contains polar covalent bonds
(D) polar covalent bonds share electrons
equally
202. What are the positively charged particles
in an atom?
(A) Protons
(B) Neutrons
(C) Electrons
(D) none of above
203. Select the answer that has the levels
of ecology from broadest to narrowest.
(biggest to smallest)
(A) Biosphere, Ecosystem, Community,
Population, Organism
(B) Community, Organism, Population,
Ecosystem, Biosphere
(C) Organism, Population, Community,
Ecosystem, Biosphere
(D) none of above
204. How many chambers does the heart
have?
(A) 1
(B) 2
(C) 3
(D) 4
205. It is a semitransparent fluid that sus-
pends the other elements
(A) Peroxisome
(B) Cell Membrane
(C) Cytoplasm
(D) Cytosol
206. What is called the art of reading the hand
and interpreting the fortune by lines on hu-
man palm?
(A) Palmistry
(B) Philology
(C) Etlymology
(D) Lexicography
207. Bone marrow is found in
(A) spongy bone
(B) compact bone
(C) dense bone
(D) compressed bone
208. The common feature for nucleus, chloro-
plast and mitochondria is
(A) Cristae
(B) Lamellae
(C) Nucleic acids
(D) Double membranous
209. Environmental Science is a study of
which types of interactions between hu-
mans and the environment?
(A) how humans use natural resources
(B) how human beings relate to nonliving
environment
(C) how humans actions alter the environ-
ment
(D) all of the above
210. What is proportional to a cell’s surface
area?
(A) Rate of exchange of materials
(B) Rate of heat production
(C) Rate of waste production
(D) Rate of oxygen consumption
211. The study of how the environment and
humans affect one another is called
(A) Environmental Science
(B) Environmental ethics
(C) Environment
(D) Ecology
201. D 202. A 203. A 204. D 205. D 206. A 207. A 208. D 209. D 210. A 211. A
212. C

21
212. Of the dry protoplasm, inorganic matter
is .
(A) 25%
(B) 50%
(C) 10%
(D) 90%
213. A trainer using fish to reward a dolphin
that jumps through a hoop is an example
of
(A) imprinting
(B) operant conditioning
(C) nurture
(D) classical conditioning
214. Which organelle is where aerobic respi-
ration occurs?
(A) Mitochondria
(B) Chloroplast
(C) Cytoplasm
(D) Ribosome
215. An example of a reptile is a:
(A) cobra
(B) toad
(C) elephant
(D) robin
216. Which of these is a hinge joint?
(A) shoulder
(B) hip
(C) knee
(D) wrist
217. Which of the following is a synonym for
the circulatory system?
(A) cardiovascular system
(B) muscular system
(C) Nervous System
(D) other
218. How many atoms of aluminum are on
each side of the following equation:4Al +
3O2 → 2Al2 O3
(A) 2
(B) 6
(C) 1
(D) 4
219. T8-You want to see if watering your
plant makes it grow faster.What is the
IV?
(A) plant height
(B) watering amount
(C) sunlight
(D) type of plant
220. Unicellular, Prokaryotic organism is
known as a?
(A) Virus
(B) Bacteria
(C) Fungi
(D) none of above
221. Plants make sugars in the presence of
sunlight in a process called photosynthesis.
What form of carbon do the plants take in
for this process?
(A) glucose molecule
(B) carbon dioxide
(C) single carbon atoms
(D) complex organic compounds
222. This cell part makes proteins in prokary-
otes and eukaryotes.
(A) Ribosomes
(B) Endoplasmic Reticulum
(C) Golgi Bodies
(D) Lysosomes
223. How many neurons does a complex ani-
mal with a brain and a nerve cord have?
(A) Trillions
(B) Thousands
(C) Millions
(D) Billions
213. B 214. A 215. A 216. C 217. A 218. D 219. B 220. B 221. B 222. A 223. D
224. A

NARAYAN
CHANGDER
224. Layer of the atmosphere closest to
Earth’s surface
(A) troposphere
(B) stratosphere
(C) mesosphere
(D) thermosphere
225. The division of resources leading to two
realized niches is known as
(A) resource partitioning
(B) character displacement.
(C) character displacement.
(D) none of above
226. What word most closely means a rela-
tionship where both individuals benefit?
(A) Predation
(B) Parasitism
(C) Commensalism
(D) Mutualism
227. What habitat can sponges be found or in-
habit?
(A) Saltwater and Freshwater
(B) Saltwater only
(C) Mountaintops
(D) Freshwater only
228. This part of the neuron stores then
releases neurotransmitters into the
synapse.
(A) Axon
(B) Dendrite
(C) Myelin Sheath
(D) Axon Terminal
229. Period of relaxation of the heart
(A) Diastole
(B) Systole
(C) Apex
(D) Arrhythmias
230. Oceans make the temperatures of
nearby land
(A) more extreme
(B) more tropical
(C) more temperate
(D) more polar
231. A resource which will replenish to re-
place the portion depleted by usage and
consumption, either through natural repro-
duction or other recurring processes is
(A) biodegradable
(B) renewable
(C) constant
(D) nonrenewable
232. These unique copulatory organs are
found in most male reptiles:
(A) Cloaca
(B) Hemipenes
(C) Claspers
(D) Testicles
233. All bacteria are
(A) unicellular
(B) multicellular
(C) eukaryotic
(D) none of above
234. What is something that prokaryotic and
eukaryotic cells have in common?
(A) They have a nucleus.
(B) They are multi-cellular.
(C) They have DNA.
(D) They have organelles that are
membrane-bound.
235. Which of the following types of cells are
not lignified at maturity?
(A) Collenchyma
(B) Trachied
(C) Sclerids
(D) Fibers
225. A 226. D 227. A 228. D 229. A 230. C 231. B 232. B 233. A 234. C 235. A
236. C

23
236. This blood group is the universal recipi-
ent.
(A) B
(B) A
(C) AB
(D) O
237. Which hormone increases the blood glu-
cose level by the formation of glucose from
amino acids?
(A) Glucagon
(B) Insulin
(C) Antidiuretic hormone
(D) Oxytocin
238. What is the reason an ecosystem is
healthier when there are a variety of
species?
(A) If there are more species then there
is more diversity.
(B) Too many species reduce the compe-
tition for resources.
(C) More species means fewer food
chains.
(D) none of above
239. What types of rocks are formed by
weathering?
(A) Metamorphic Rocks
(B) Igneous Rocks
(C) Sedimentary Rocks
(D) Volcanic Rocks
240. Ecosystems are comprised of living
things. In which sphere you can find this?
(A) Atmosphere
(B) Lithosphere
(C) Biosphere
(D) Hydrosphere
241. In an experiment, a scientist adds fertil-
izer to one pond in order to compare the
algae growth to a pond that does not re-
ceive fertilizer. The amount of algae that
grows would represent a(n)
(A) model
(B) dependent variable
(C) independent variable
(D) prediction
242. Which ecosystem has the highest level of
salinity?
(A) salt marsh
(B) brackish marsh
(C) river
(D) pond
243. What is the volume of 150. grams of
lead if it has a density of 11.3 g/cm 3?
(A) 13.3 g
(B) 13.3 cm3
(C) .075 g
(D) 1695 cm3
244. Which of the following refers to ability
of minerals to reflect light on its surface?
(A) Streak
(B) Luster
(C) Fluorescence
(D) Color
245. A part of a sample with uniform compo-
sition and properties
(A) Phase
(B) Homogeneous Mixture
(C) Heterogenous Mixture
(D) Compound
246. This type of weathering occurs when
rock is physically broken down into
smaller pieces of rock.
(A) mechanical weathering
(B) chemical weathering
(C) erosion weathering
(D) deposition
247. Ginger is an example of a
(A) rhizome
(B) bulb
(C) tuber
(D) runner
237. A 238. A 239. C 240. C 241. B 242. A 243. B 244. B 245. A 246. A 247. A
248. A

NARAYAN
CHANGDER
248. Most of Earth’s fresh water is used for
(A) watering crops
(B) drinking
(C) washing clothes and dishes
(D) recreational purposes such as swim-
ming
249. What kind of properties can only be ob-
served when a substance changes into a
different substance?
(A) physical properties
(B) chemical properties
(C) liquid properties
(D) real properties
250. What are the three functions of the
blood?
(A) Transportation, Filteration, and Pro-
tection
(B) Transportation, Temperature Regula-
tion, and Protection
(C) Protection, Temperature Regulation,
and Filteration
(D) none of above
251. melted, liquid rock beneath Earth’s sur-
face
(A) metamorphic rock
(B) magma
(C) sedimentary rock
(D) lava
252. breaks down food to release energy
(A) nucleus
(B) lysosomes
(C) mitochondria
(D) vacuole
253. How do most primary producers make
their own food?
(A) by using chemical energy to make car-
bohydrates
(B) by using light energy to make carbo-
hydrates
(C) by breaking down remains to make
carbon dioxide
(D) by changing water into carbon dioxide
254. A sugar that is a major source of energy
for the bod’s cells
(A) Glucose
(B) Mineral
(C) Sugar
(D) Cellulose
255. What hormone stimulates the adrenal
gland to produce glucocorticoids?
(A) ADH
(B) PTH
(C) GH
(D) ACTH
256. is the study of therelationship be-
tween organisms and their environment.
(A) ecosystem
(B) food chain
(C) ecology
(D) healthy
257. The system is made of the heart,
veins, arteries and blood.
(A) Circulatory
(B) Repiratory
(C) Digestive
(D) Skeletal
258. In which year was chemical hypothesis
proposed
(A) 1967
(B) 1963
(C) 1972
(D) 1973
259. Transports materials within the cell
(A) Flagella
(B) Vacuole
(C) RNA
(D) Endoplasmic Reticulum
249. B 250. B 251. B 252. C 253. B 254. A 255. D 256. C 257. A 258. B 259. D
260. B

25
260. Leaves found on many plants, such as
magnolias, have thick waxy layers found
on the outside. What is the purpose of this
adaptation?
(A) Prevent oxygen loss
(B) Prevent water loss
(C) Helps plants absorb sunlight
(D) Prevents plants from being eaten
261. What are the three main ways in which
bacteria are spread?
(A) open cuts, air, and food/water
(B) touch, sight, taste, hearing, smell
(C) jumping, leaping, hopping, skipping
(D) touch, food, drink, hearing
262. A plant group which cannot grow taller
than a few inches possibly be due to
(A) Having too much food
(B) Not having vascular tissue
(C) Having vascular tissue
(D) Having too much water
263. lead to overhunting and contributed to
the disappearance of some large mam-
mals.
(A) agriculture
(B) agricultural revolution
(C) industrial revolution
(D) hunter gatherers
264. What would you be most likely to find
at a convergent boundary between a con-
tinental and oceanic plate?
(A) Mountains
(B) Volcanoes
(C) Mid-Ocean Ridge
(D) Rift
265. Where is the asthenosphere found in the
Earth’s layers?
(A) crust
(B) upper mantle
(C) lower mantle
(D) core
266. From which two places can stem cells be
obtained?
(A) Human embryos and gametes
(B) Bone marrow and human embryos
(C) Gametes and Bone marrow
(D) Human embryo and meristems
267. An example of active transport is
(A) glucose transport
(B) osmosis
(C) Na+/K+ Pump
(D) CO2 + O2 Transport
268. What does Eukaryotic mean?
(A) Very simple
(B) Has NO nucleus
(C) Very complex
(D) Has a nucleus
269. is the number of bones in the human
body
(A) 400
(B) 365
(C) 206
(D) 307
270. The solar radiation shorter than 390 mil-
limicron is the.
(A) Ultraviolet light
(B) Ultrared light
(C) Visible light
(D) Infra-red light
271. There is a plan to establish an 8000-
kilometer-long strip of land across eight
southeast Asian countries to rejoin frag-
ments of tiger habitat. This is an example
of a
(A) wildlife corridor
(B) worldwide biodiversity treaty
(C) conservation concession
(D) captive breeding program
261. A 262. B 263. D 264. B 265. B 266. B 267. C 268. D 269. C 270. A 271. A
272. B

NARAYAN
CHANGDER
272. A mitochondria possesses a.
(A) Single membrane
(B) Double membrane
(C) Three layered membrane
(D) Four layered membrane
273. What is a tsunami?
(A) a type of earthquake
(B) a long wave caused by ocean currents
(C) a long wave caused by an earthquake
or volcanic eruption under the ocean
(D) the cloud of ash caused by a large vol-
canic eruption
274. The process to obtain energy from glu-
cose without the presence of oxygen is
called
(A) Cellular respiration
(B) Fermentation
(C) Glycolisis
(D) Photosynthesis
275. At sea level the troposphere has the
highest
(A) temperature
(B) ozone levels
(C) altitude
(D) pressure
276. When animals use energy, what is al-
ways produced?
(A) sugar
(B) heat
(C) oxygen
(D) starch
277. A record of ground motion produced by
an earthquake
(A) seismogram
(B) seismograph
(C) seismology
(D) seismologist
278. If an object is blue-shifted, what can you
conclude about its motion?
(A) It’s not moving
(B) It’s moving away
(C) It’s moving closer
(D) none of above
279. Genes control heredity in man and other
organisms.This is.
(A) A bead like structure on the chromo-
somes
(B) A protein molecule
(C) A segment RNA
(D) A segment of RNA and DNA
280. what body system exchanges O2 for
CO2
(A) respiration
(B) excretion
(C) digestion
(D) nervous
281. which of the following supplies blood to
anterior part of the body
(A) a systemic trunk
(B) a carotid trunk
(C) c Pulmo cutoneous trunk
(D) none of above
282. Scientific discoveries have provided evi-
dence that the systems are involved in
behavior.
(A) digestive and reproductive
(B) excretory and circulatory
(C) respiratory and digestive
(D) endocrine and nervous
283. What is a pollinator?
(A) Animal that moves pollen from plant
to plant
(B) Animal that eats pollen
(C) A plant that makes pollen
(D) A plant that does not make pollen
273. C 274. B 275. D 276. B 277. A 278. C 279. D 280. A 281. B 282. D 283. A
284. B

27
284. The value of most frequent item is
(A) Mean
(B) Mode
(C) Average
(D) Median
285. A factor that influences the size of the
population, despite how crowded it is
(A) Density Dependent Factor
(B) Limiting Factor
(C) Disease
(D) Density Independent Factor
286. What does the word vast mean in the
sentence below? The organization col-
lected a vast amount of canned goods for
the soup kitchen.
(A) clear
(B) empty
(C) heavy
(D) huge
287. Is the order of dog
(A) Mammalia
(B) Carnivora
(C) Canidae
(D) familiaris
288. Sensory Neurons
(A) the animal’s reaction to the stimulus
(B) nerve cells that detect stimuli
(C) nerve cells that carry response infor-
mation to muscles and other organs
(D) none of above
289. Photosynthesis does all of the following
EXCEPT:
(A) Make glucose for plants to use as
food.
(B) Takes in carbon dioxide through the
stomata.
(C) Releases water through the process
of transpiration.
(D) Radiant energy is transformed into
chemical energy.
290. carries water and minerals from roots to
other parts of the plant
(A) xylem
(B) phloem
(C) stoma
(D) guard cell
291. What is a retractable feeding tube found
in Phylum Nemertea “Ribbon Worms”
(A) Retractance
(B) Proboscis
(C) Protuber
(D) Invertance
292. Which of these electronic structures be-
longs to a noble gas?
(A) 2
(B) 2, 2
(C) 2, 8, 2
(D) none of above
293. Which of the following is not needed for
photosynthesis to occur?
(A) sunlight
(B) carbon dioxide
(C) water
(D) oxygen
294. Which term refers to the body’s use of
energy for energy and growth?
(A) Excretion
(B) Metabolism
(C) Digestion
(D) Respiration
295. Which levels in classification indicate the
closest relationship?
(A) family and genus
(B) order and family
(C) genus and species
(D) family and species
285. D 286. D 287. B 288. B 289. C 290. A 291. B 292. A 293. D 294. B 295. C
296. B

NARAYAN
CHANGDER
296. Many bacteria protect themselves in
harsh conditions by forming tough cover-
ings called
(A) antibodies
(B) endospores
(C) streptococcus
(D) bacteriophage
297. Match the following word/subject with
the topic it relates to the most.Global
Warming
(A) Geology
(B) Astronomy
(C) Meteorology
(D) Oceanography
298. What would Earth be like without the
greenhouse effect?
(A) The same temperature
(B) a little cooler than it is now
(C) . Too cold to live
(D) a little warmer than it is now
299. What does the Nucleolus do?
(A) Packages Proteins
(B) Transports/Contains Organelles
(C) Holds Genetic Materials (DNA, RNA,
Ribosomes, etc)
(D) Power House
300. NON-living things found in an ecosystem
(A) biotic
(B) abiotc
(C) habitat
(D) none of above
301. LEAF PETIOLE HAS?
(A) SCLERENCHYMA
(B) COLLENCHYMA
(C) AERENCHYMA
(D) CHLORENCHYMA
302. How many sig figs are there? 0.00400
(A) 1
(B) 3
(C) 5
(D) 6
303. Full form of GEF
(A) Global Endandered Facility
(B) Global Environmental Facility
(C) Gully Environmental Facility
(D) none of above
304. An organism that is killed and eaten by
another organism
(A) Predator
(B) Prey
(C) Competition
(D) Adaptation
305. Nucleus was first discovered by.
(A) Porter
(B) Robert Brown
(C) Palade
(D) None of the above
306. What is a motor neuron?
(A) a neuron that passes information to
muscles
(B) a neuron that carries response infor-
mation to muscles and other organs
(C) a neuron that detects stimuli
(D) none of above
307. From what source do cells get their
food?
(A) Blood
(B) Oxygen
(C) Carbon Dioxide
(D) Lungs
308. The PUMPS blood to the lungs.
(A) Right Atrium
(B) Right Ventricle
(C) Left Atrium
(D) Left Ventricle
297. C 298. C 299. C 300. B 301. B 302. B 303. B 304. B 305. B 306. B 307. A
308. B 309. C

29
309. A mixture can be classified as a solution,
suspension or colloid based on the
(A) size of its smallest particles
(B) number of particles it contains
(C) size of its largest particles
(D) color of its particles
310. The term ecosystem was proposed by
(A) Lindeman
(B) Tansley
(C) Grinnel
(D) Turesson
311. A set of policies and activities related to
potential uses of land that is put in place
before an area is developed
(A) Urban sprawl
(B) Suburban
(C) Urbanization
(D) Land-use planning
312. Which metal is used in making paint pig-
ments soaps, skin ointments, cosmetics
and various plastics?
(A) Magnesium
(B) Radium
(C) Calcium
(D) Zinc
313. Which answer best describes two or
more elements chemically combined in spe-
cific proportions?
(A) an atom
(B) a compound
(C) a mechanical mixture
(D) a solution
314. Which type of cellular transport moves
molecules from low concentrations to high
concentrations?
(A) Osmosis
(B) Diffusion
(C) Passive Transport
(D) Protein Pumps
315. Which is the most widely used program-
ming language in schools, colleges and uni-
versities?
(A) PASCAL
(B) FORTRAN
(C) DOS
(D) BASIC
316. The process by which water exits the
leaves of plants is called
(A) respiration
(B) transpiration
(C) precipitation
(D) none of above
317. The part of the cell that acts like a
garbage can or disposal and digest old or-
ganelles is the
(A) ribosomes
(B) lysosomes
(C) mitachondria
(D) cell membrane
318. Which is true about hotter material in the
mantle (convection currents)?
(A) more dense, sinks
(B) less dense, sinks
(C) less dense, rises
(D) more dense, rises
319. Branch of Earth Science that deals with
all the water on the Earth’s surface.
(A) Meterology
(B) Geology
(C) Oceanography
(D) Hydrology
320. Mold and mushrooms belong to which
kingdom?
(A) Protista
(B) Plantae
(C) Fungi
(D) Animalia
310. B 311. D 312. D 313. B 314. D 315. D 316. B 317. B 318. C 319. D 320. C
321. B

NARAYAN
CHANGDER
321. Results published in are the most
respected in science because they have
passed through a rigorous evaluation pro-
cess involving feedback from multiple
sources
(A) news magazines
(B) peer-reviewed journals
(C) web journals
(D) weekly newspapers
322. An organism who is a carnivore has a
diet consisting of
(A) Plants
(B) Plants and Animals
(C) Animals
(D) none of above
323. The transport system in humans consist
of
(A) arteries
(B) veins
(C) capillaries
(D) all above answers
324. Nucleotides are monomers of
(A) Carbohydrates
(B) Lipids
(C) Proteins
(D) Nucleic Acids
325. The upper mantle is also known as the
(A) Lithosphere
(B) Asthenosphere
(C) Mesosphere
(D) Core
326. Evolved from different ancestors, but
due to living in similar environments have
a similar function.
(A) Homologous structures
(B) Analogous structures
(C) Vestigial structures
(D) All of the above
327. Which of the following is the diverse
study of life and organisms and their per-
sonal attributes?
(A) Chemistry
(B) Ornthology
(C) Biology
(D) Earth Science
328. The incidence of cancer would be highest
in which person?
(A) 15-year-old African-American male
(B) 3-year-old Asian male
(C) 48-year-old Pacific-Island male
(D) 70-year-old white male
329. An electron is
(A) positively charged
(B) neutral
(C) negatively charged
(D) none of above
330. outer core
(A) solid, innermost layer of earth
(B) a rock
(C) liquid layer surrounding the outer
core
(D) the mantle
331. A 100-watt bulb lit for one hour uses
watts of electricity.
(A) 60
(B) 100
(C) 50
(D) 200
332. Blood cells that fight infection and are
produced in bone marrow and lymph tis-
sue.
(A) platelets
(B) red blood cells
(C) white blood cells
(D) plasma
322. C 323. D 324. D 325. B 326. B 327. C 328. D 329. C 330. C 331. B 332. C
333. B

31
333. The tiny core of an atom containing most
of the mass of the atom is the:
(A) Neutron
(B) Nucleus
(C) Proton
(D) Electron
334. What organic molecule is necessary for
cellular respiration to occur?
(A) lipids
(B) fats
(C) carbon dioxide
(D) glucose
335. What animal creates weathering on
rocks?
(A) Birds
(B) Snakes
(C) Rabbits
(D) Fish
336. The characteristic that most distin-
guishes arthropods from other verte-
brates is
(A) the coelem
(B) jointed appendages
(C) the endoskeleton
(D) bilateral symmetry
337. Which of the following reaction takes
place during breakdown of polymers?
(A) dehydration
(B) hydrolysis
(C) condensation
(D) covalent bond
338. Muhammad-bin-Musa Khawarizmi was
born in in Khawarizim.
(A) 760
(B) 750
(C) 780
(D) 770
339. The knee cap is known as the
(A) carpal
(B) radius
(C) patella
(D) ulna
340. The correct SI unit for volume is
(A) centimeters cubed (cm3) or milliliters
(mL)
(B) kelvin
(C) gram
(D) square meter
341. Sulphur shows valencies
(A) 2
(B) 4
(C) both
(D) none of above
342. The majority of marine organisms are
found in
(A) deep ocean waters
(B) shallow, coastal waters
(C) fisheries
343. Your heart is a
(A) tube
(B) muscle
(C) vein
(D) none of above
344. Which of the following was discovered
by Germans during World War- Two?
(A) Magnetic Tape
(B) Keypad
(C) Floppy disc
(D) Hard disc
345. The tissue that plays a leading role in the
elongation of many bones is.
(A) Areolar tissue
(B) Cartilage
(C) Spongy bone
(D) Fibroelastic tissue
334. D 335. C 336. B 337. B 338. C 339. C 340. A 341. C 342. B 343. B 344. A
345. B 346. D

NARAYAN
CHANGDER
346. Which treatment is the most effective
against viruses?
(A) anti-fungal medications
(B) pain relievers
(C) antibiotics
(D) vaccines
347. Which blood vessels carry blood back to
the heart?
(A) Arteries
(B) Veins
(C) Purple potatoes
(D) Scabs
348. Basic unit of the nervous system; an-
other name for nerve cell.
(A) brain stem
(B) axon
(C) dendrite
(D) neuron
349. C3 and C4 plants differ with respect to
(A) Number of ATP molecules consumed
(B) First product
(C) The substrate which accepts carbon
dioxide
(D) All the above
350. Rough ER Contains
(A) Detoxification
(B) Carbohydrate Synthesizing machin-
ery
(C) Ribosomes
(D) Lysosomes
351. The movement of water through the at-
mosphere using precipitation, condensa-
tion, sublimation, evaporation, and tran-
spiration is known as
(A) The Carbon Cycle
(B) Photosynthesis
(C) Cellular Respiration
(D) The Water Cycle
352. Lowest level in taxonomic hierarchy
(A) Species
(B) Kingdom
(C) Phylum
(D) none of above
353. This described the likeliness of a public
area being exploited for short-term gain.
(A) Hetch Hetchy
(B) Silent Spring
(C) The Tragedy of the Commons
(D) Harry Potter and the Sorcerer’s Stone
354. Why do sharks continuously move?
(A) they don’t sleep
(B) they are too hungry to stop hunting
(C) they move to keep water flowing over
gills
(D) they are practicing for shark olympics
355. Lindsay is going duck hunting. She no-
tices a flock of duck. This represents what
level of organization?
(A) Organism
(B) Population
(C) Community
(D) Ecosystem
356. A substance that has the ability to trans-
mit messages between axon terminals of
two neurons.
(A) neurotransmitter
(B) Potassium ions
(C) Sodium ions
(D) Calcium ions
357. What is a key role of lipids (phospho-
lipids) within a cell?
(A) They make proteins
(B) They cause DNA to replicate
(C) They are the main structual componet
of membranes
(D) They produce energy for the cell
347. B 348. D 349. D 350. C 351. D 352. A 353. C 354. C 355. B 356. A 357. C
358. B

33
358. Which of following is the component of
peripheral nervous system
(A) Brain
(B) Spinal nerve
(C) Spinal cord
(D) Neurone
359. No image is formed on.
(A) Blind spot
(B) Conjunctiva
(C) Cornea
(D) Sclera
360. This is the study of the interaction of hu-
mans and the natural environment.
(A) Ecology
(B) Environmental Science
(C) Anthropology
(D) Geology
361. Small hair-like structures used for move-
ment or sensing things
(A) Cilia
(B) Hair
(C) Chloroplasts
(D) Chromatid
362. The release of thromboplastin facilitates
the.
(A) Conversion of fibrinogen to fibrin
(B) Stabilization of fibrin
(C) Coagulation of blood
(D) Conversion of prothrombin to throm-
bin
363. A solution containing a weakened ver-
sion of a virus is a
(A) Antibiotic
(B) Vaccine
(C) Window Cleaner
(D) Tap Water
364. Which of these words is analogous (sim-
ilar in meaning) to pollution?
(A) degradation
(B) improvement
(C) replenishment
(D) decomposition
365. Which molecule exhibits optical iso-
merism?
(A) 3-iodopentane
(B) 2-iodo-2-methylpropane
(C) 1, 3-diiodopropane
(D) 2-iodobutane
366. Organism that feeds on decaying mat-
ters?
(A) saprophytes
(B) poraminiferans
(C) autothrops
(D) molds
367. A HYPERTONIC solution has a con-
centration of solute than the interior of the
cell and a cell will when placed into this
solution.
(A) lower; shrink
(B) lower; swell
(C) higher; shrink
(D) higher; swell
368. Which agent of erosion leads to the for-
mation of sand dunes?
(A) ice
(B) wind
(C) water
(D) gravity
369. The study of the composition, structure,
and properties of matter and the changes
it undergoes.
(A) Chemistry
(B) Physics
(C) Biology
(D) Social Science
359. A 360. B 361. A 362. D 363. B 364. A 365. D 366. A 367. C 368. B 369. A
370. B

NARAYAN
CHANGDER
370. Invertebrates with an internal skeleton
and a system of fluid-filled tubes called a
water vascular system.
(A) arthropod
(B) echinoderm
(C) cnidarian
(D) mollusk
371. Elements that have properties of both
metals and nonmetals.
(A) inner transition
(B) representative elements
(C) transition
(D) metalloids
372. the original continent that was all conti-
nents combine
(A) New York
(B) Pangea
(C) Antarctica
(D) Panera
373. Darwinism does not explain.
(A) Progression
(B) Retrogression
(C) Usefulness of all organs
(D) Presence of vestigeal organs
374. Neurons that only travel from the body
to the brain are called
(A) sensory neurons
(B) interneurons
(C) motor neurons
(D) none of above
375. The transfer of genes between two
species of E. coli is
(A) conjugation
(B) transduction
(C) transformation
(D) plasmolysis
376. Mutation could be created by X-rays This
was found by.
(A) Muller
(B) Morgan
(C) Meyer
(D) Flemming
377. The type of life cycle in Funaria
(A) Haplontic
(B) Diplontic
(C) Haplo diplontic
(D) Diplobiontic
378. What is formed when two substances
are mixed together and they do not react
chemically.
(A) Isotope
(B) Mixture
(C) Energy
(D) Solution
379. What is a diagram that shows the
amount of energy moves from one level
to another in a food web?
(A) food chain
(B) food web
(C) energy pyramid
(D) food map
380. The blood pressure is controlled by the
hormone.
(A) Vasopressin
(B) Oxytocin
(C) Oestrogen
(D) Testosterone
381. The pacemaker is located at
(A) Right atrium
(B) Right Ventricle
(C) Left Ventricle
(D) Left Atrium
371. D 372. B 373. D 374. A 375. A 376. A 377. C 378. B 379. C 380. A 381. D
382. C 383. B

35
382. The study of Earth’s atmosphere is called
(A) Geology
(B) Astronomy
(C) Meteorology
(D) Oceanography
383. Cnidaria means:
(A) little rings
(B) stinging cells
(C) head foot
(D) pore bearing
384. Aerobic respiration produces how many
ATP molecules
(A) 2
(B) 26
(C) 36
(D) 50
385. Which of the following is NOT a real
blood type?
(A) A
(B) B
(C) C
(D) O
386. Anything that has mass and takes up
space is called
(A) volumevolume
(B) matter
(C) magnetism
(D) electricity
387. At the end of an axon we find?
(A) Action
(B) Dendrites
(C) Axon terminals
(D) Synapse
388. A huge collection of gas, dust, and bil-
lions of stars and their solar system that
is held together by gravity.
(A) Universe
(B) Galaxy
(C) Constellation
(D) Nebula
389. Bile is produced by the and stored in
the
(A) gallbladder, liver
(B) liver; gallbladder
(C) small intestine; large intestine
(D) stomach; pancreas
390. Most of Earth’s weather events take
place in the
(A) thermosphere
(B) mesosphere
(C) stratosphere
(D) troposphere
391. What is the layer of air that surrounds
Earth?
(A) water vapor
(B) condensation
(C) precipitation
(D) atmosphere
392. Which reaction occurs via a free-radical
mechanism?
(A) C2H6 + Br2 → C2H5Br + HBr
(B) C2H4 + Br2 → C2H4Br2
(C) C4H9I + OH→ C4H9OH + I-
(D) (CH3)3CI + H2O → (CH3)3COH +
HI
393. Injection of insulin causes.
(A) Increase in glucose in blood
(B) Decrease in glucose in blood
(C) Increase in blood pressure
(D) Decrease in blood pressure
394. What type of disturbance can be benefi-
cial to ecosystems and communities?
(A) Volcanic Eruption
(B) Fire
(C) Invasive Species
(D) Flood
384. C 385. C 386. B 387. C 388. B 389. C 390. D 391. D 392. A 393. B 394. B
395. B

NARAYAN
CHANGDER
395. The greatest amount of energy would be
gained by 1, 000 grams of water when it
changes from
(A) water vapor to liquid water
(B) liquid water to water vapor
(C) liquid water to ice
(D) ice to liquid water
396. What is an organic compound that is
made by glands in the body (pituitary, thy-
roid, etc) that is used in long distance com-
munication between cells?
(A) Hormones
(B) Neurotransmitters
(C) Synapse
(D) Carbohydrates
397. If more than single species of fish is cul-
tured at a time, then it is called
(A) Monoculture
(B) Aquaculture
(C) Polyculture
(D) Mori culture
398. This biome is characterized by few trees
and many grasses, is warm and has lions,
tigers, and giraffes
(A) Savannah/Tropical Grassland
(B) Arctic Tundra
(C) Alpine Tundra
(D) Open Ocean
399. Mountains form from
(A) plates sliding past one another
(B) collision of plates
(C) plates moving away from each other
(D) none of above
400. The liver cells regenerate once in every
(A) a 2 to 3 weeks
(B) b 3 to 4 weeks
(C) C 1 to 2 weeks
(D) none of above
401. Which of the following substances
are structural isomers of each other?
I. CH3(CH2)3CH3II. (CH3)2CHCH3III.
CH3CH(CH3)CH2CH3
(A) I and II only
(B) I and III only
(C) II and III only
(D) I, II and III
402. If a paper mill dumps a lot of paper
waste into a nearby river all of the follow-
ing are likely to happen EXCEPT:
(A) Increase in BOD
(B) Decrease in DO
(C) Algae growth
(D) Decrease in decomposers
403. What is the difference between active
and passive transport?
(A) Active does not need energy and pas-
sive uses ATP (energy)
(B) Active uses ATP (energy) and passive
does not need energy
(C) Active stores transport proteins and
passive releases
(D) Active uses hormones and passive
does not
404. Blood does not clot in the absence of Vi-
tamin K because it is.
(A) An essential component of the clot
(B) An essential component of the
platelets
(C) Essential for synthesis of prothrom-
bin
(D) Essential for synthesis of fibrinogen
405. Imbibition demnostrate the process of
(A) Absorption
(B) Adsorption
(C) Osmosis
(D) Repulsion
396. A 397. C 398. A 399. B 400. B 401. B 402. D 403. B 404. C 405. B 406. B

37
406. It is a semisolid, rocky, and very hot
layer of the earth.
(A) crust
(B) mantle
(C) outer core
(D) inner core
407. Which of the following describes a
species?
(A) all ecosystems in the same climate
(B) all organisms in the same area
(C) How an organism lives
(D) organisms that can breed with one an-
other
408. Makes protein for the cell:
(A) Nucleus
(B) Ribosomes
(C) Cytoplasm
(D) Cell Membrane
409. The simplest grouping of more than one
kind of organism in the biosphere is
(A) a population
(B) a community
(C) a species
(D) an ecosystem
410. Made up of the living things on the Earth
(A) biosphere
(B) lithosphere
(C) atmosphere
(D) troposphere
411. Where is the phloem located in a mature
oak tree:
(A) in the center of the trunk and
branches
(B) only in the root hairs
(C) immediately under the bark
(D) in the mesophyll
412. I have air spaces within my fruit. What
is likely my dispersal method?
(A) wind
(B) water
(C) animals
(D) explosive action
413. The type of bond that results when elec-
trons are transferred from one atom to an-
other is called
(A) an ionic bond
(B) a covalent bond
(C) a hydrogen bond
(D) none of above
414. The nerves going to the upper limbs join
the spinal cord at the region.
(A) cervical
(B) thoracic
(C) sacral
(D) lumbar
415. The study of the physical and biological
parts of Earth’s oceans.
(A) Geology
(B) Geography
(C) Cartography
(D) Oceanography
416. What type of neurons send signals from
organs like your eyes, ears, and skin to
your brain?
(A) Sensory neurons
(B) Motor neurons
(C) Interneurons
(D) none of above
417. The molten rock that comes from a vol-
cano after it has erupted is known as
what?
(A) Lava
(B) Magma
(C) Crust
(D) none of above
407. D 408. B 409. B 410. A 411. C 412. B 413. A 414. A 415. D 416. A 417. A
418. B

NARAYAN
CHANGDER
418. Bacterial cells are
(A) Eukaryotic
(B) Prokaryotic
(C) Viruses
(D) Fungal
419. This medicine is sometimes uses to treat
bacterial infections.
(A) Vaccine
(B) Antibiotic
(C) Resistance formula
(D) Allergy medication
420. Measure of the amount of matter
(A) mass
(B) volume
(C) weight
(D) density
421. Which of the following is not a type of
passive transport?
(A) Osmosis
(B) Diffusion
(C) Endocytosis
(D) Facilitated Diffusion
422. Genetic engineering relies on placing a
gene that codes for a desired trait into the
of a different organism from the or-
ganism where the gene was originally har-
vested
(A) protein
(B) amino acid
(C) helix
(D) genome
423. All organic compounds contain the ele-
ment
(A) carbon
(B) nitrogen
(C) phosphorus
(D) sulfur
424. In an experiment, the factor of interest
is called the
(A) Control group
(B) Experimental group
(C) Hypothesis
(D) Variable
425. When was gas discovered at Sun?
(A) 1948
(B) 1951
(C) 1954
(D) 1952
426. is the resistance to being scratched.
(A) specific gravity
(B) luster
(C) hardness
(D) none of above
427. Which electronic structure is correct for
an element with 17 electrons?
(A) 1, 7
(B) 10, 7
(C) 2, 8, 7
(D) none of above
428. Bacteria are decomposers that cause de-
cay.Decomposers are organisms that
(A) break down alive organisms and re-
turn them to the soil
(B) break down dead organisms and re-
turn them to the soil
(C) break down dead organisms and re-
turn them to the the sun
(D) none of the above
429. What type of neuron would tell your
body there’s a red light?
(A) somatic sensory
(B) visceral sensory
(C) somatic motor
(D) visceral motor
419. B 420. A 421. C 422. D 423. A 424. D 425. D 426. C 427. C 428. B 429. A
430. D

39
430. What is a reflex?
(A) A response that is slow
(B) When the brain controls the muscles
(C) When the muscles move
(D) An automatic response that occurs
rapidly without conscious control.
431. When might your body release
adrenaline?
(A) when you’re waking up from a long
night’s sleep
(B) when there isn’t enough calcium in
your bloodstream
(C) when you’re threatened by a school-
yard bully
(D) when you’ve had too much to eat
432. What are the 2 types of skeletons?
(A) spongy bone and compact bone
(B) marrow and blood vessels
(C) axial and appendicular
(D) none of above
433. What is the role played by non-
pathogenic bacteria?
(A) They cause diseases
(B) They do not cause diseases
(C) They are of no use
(D) They attack only plants
434. THORN IS A
(A) ROOT
(B) STEM
(C) LEAF
(D) MEOW
435. The filtered blood is brought by the renal
artery and removed by renal veins.
(A) Bladder
(B) Kidneys
(C) Gall bladder
(D) Liver
436. Earthworms have setae, which are like
bristles that help them
(A) move
(B) eat
(C) reproduce
(D) none of above
437. What Kingdom do I belong to? I am
multicelled.My cells do have a nucleus.I re-
produce sexually.I cannot make my own
food.I have not cell wall.I can be found
anywhere in the world. Mobility is key
to my survival!
(A) Eubacteria
(B) Protista
(C) Animalia
(D) Archaeabacteria
438. Which chambers of the heart are the
thickest and strongest?
(A) Atria
(B) Ventricles
(C) Valves
(D) Aorta
439. This body type is considered to have a
false body cavity.
(A) Psuedocoelomate
(B) Coelomate
(C) Acoelomate
(D) Triploblast
440. Which of the following chemical equa-
tions represents aneutralisation reac-
tion?
(A) 2HNO3 + PbCO3 → Pb(NO3)2 +
CO2 + H2O
(B) 4HCl + MnO2 → MnCl2 + Cl2 +
2H2O
(C) 2HCOOH + Mg → Mg(HCOO)2 + H2
(D) H2SO4 + CuO → CuSO4 + H2O
431. C 432. C 433. B 434. B 435. B 436. A 437. C 438. B 439. A 440. D 441. B

NARAYAN
CHANGDER
441. What is used to oxidise lactic acid?
(A) Water
(B) Oxygen
(C) Carbon dioxide
(D) Glucose
442. The DNA is a double helix was proposed
by.
(A) De Robertis
(B) Griffith
(C) Hershey and chase
(D) Watson Crick
443. kangaroos are from?
(A) Australia
(B) South Africa
(C) Egypt
(D) none of above
444. The study of birds is known as
(A) Herpetology
(B) Ornithology
(C) Entomology
(D) Archaeoptry
445. Gases involved in respiration are.
(A) Nitrogen and chlorine
(B) Oxygen and Carbon dioxide
(C) Hydrogen and oxygen
(D) Carbon dioxide and hydrogen
446. The site of protein synthesis.
(A) ribosome
(B) endoplasmic reticulum
(C) nucleus
(D) cytoplasm
447. The chemical found at the synapse or
nerve junction is.
(A) Adrenaline
(B) Enzyme
(C) Acetylcholine
(D) Epinephrine
448. basic unit of matter
(A) atom
(B) water
(C) life
(D) mass
449. The set of organs that uses information
from the senses to control all body sys-
tems.
(A) Nervous System
(B) Respiratory System
(C) Circulatory System
(D) none of above
450. Name the major gas in the atmosphere
of the Earth.
(A) Nitrogen
(B) Oxygen
(C) Hydrogen
(D) Argon
451. Select all of the ways we can measure
weather
(A) temperature
(B) wind
(C) precipitation
(D) all of the above
452. Which of the following is NOT a way that
humans add greenhouse gasses to the at-
mosphere?
(A) The use of solar energy
(B) The combustion of fossil fuels
(C) Using tractors and machines in agri-
cultural practices.
(D) none of above
453. Which statement describes all en-
zymes?
(A) They control the transport of materi-
als.
(B) They provide energy for chemical re-
actions.
442. D 443. A 444. B 445. B 446. A 447. C 448. A 449. A 450. A 451. D 452. A
453. C

41
(C) They affect the rate of chemical reac-
tions.
(D) They absorb oxygen from the environ-
ment.
454. The continuous movement of water into
the air, land, and then back to water
sources is known as the
(A) Greenhouse Effect
(B) Global Warming
(C) Water Cycle
(D) Nitrogen Cycle
455. What is the symbol of Chromium
(A) C
(B) Ch
(C) Cr
(D) Cm
456. More carbon dioxide in the air will cause
the temperature of the planet to
(A) increase
(B) decrease
(C) stay the same
(D) none of the above
457. What do leaves use to make food?
(A) air, flowers, seeds
(B) air, sunlight, water
(C) roots, stems, water
(D) none of above
458. What are the two main branches of sci-
ence?
(A) Social Science and Natural Science
(B) Biology and Chemistry
(C) Social Science and Non-social Science
(D) Chemistry and Physics
459. One full day on Earth means it has com-
pleted one full on its axis.
(A) rotation
(B) revolution
(C) spin
(D) tilt
460. What products are created by the pro-
cess of photosynthesis?
(A) the sun’s light and energy
(B) oxygen and carbohydrates
(C) phosphorus and nitrogen
(D) carbon dioxide and water
461. Which one of the following landforms is
not produced mainly by the water cycle?
(A) sand dunes along a beach
(B) valleys
(C) canyons
(D) sand dunes in a desert
462. is a measure of a method’s freedom
from interferences.
(A) Sensitivity
(B) Selectivity
(C) Robustness
(D) Ruggedness
463. How many known natural silicates are in
the world?
(A) 700+
(B) 750+
(C) 800+
(D) 600+
464. A herbarium is.
(A) A collection of herbs dried form
(B) A garden with a varied collection of
herbs
(C) A garden with a collection of medici-
nal herbs
(D) A center for the preservation of dried
specimen of plants
465. What are mesophytes?
(A) Plants associated with organisms
(B) Plants growing in water
(C) Plants growing on rocks
(D) Plants growing under normal condi-
tions
454. C 455. C 456. A 457. B 458. A 459. A 460. B 461. D 462. B 463. C 464. D
465. D 466. B

NARAYAN
CHANGDER
466. Equal areas of which surface will absorb
the most insolation?
(A) Partially melted snowfield
(B) Blacktop parking lot
(C) White sand beach
(D) Lake surface
467. Where was Abdul Malik Asmai born in
741?
(A) Basra
(B) Mosal
(C) Bukhara
(D) Samarqand
468. Which correctly describes egg laying in
birds
(A) monotremes
(B) oviparous
(C) viparous
(D) ovoviviparous
469. Venomous annelids that sting using hol-
low, brittle setae are called:
(A) Tube worms
(B) Fire worms
(C) Clam worms
(D) Leeches
470. Thrush is also known as
(A) Athlete’s Foot
(B) Red Tide
(C) Candida
(D) Histoplasmosis
471. Allows entry into the pulmonary artery
(A) Pulmonary semilunar valve
(B) Pulmonary veins
(C) Aortic semilunar valve
(D) Pulmonary trunk
472. Which part of a reptile brain is enlarged
to help them interpret sensory information
and control muscles during movement?
(A) Cerebrum
(B) Cerebellum
(C) Cortex
(D) Medulla
473. Freshwater (and some marine) sponges
form resistant structures which function in
asexual reproduction, called
(A) Gemmules
(B) Statoblasts
(C) Spores
(D) Larvae
474. The buffer substance in blood is.
(A) Calcium carbonate
(B) Carbondioxide
(C) Sodium bicarbonate
(D) Ammonia
475. Monosaccharides are monomers of
(A) Carbohydrates
(B) Lipids
(C) Proteins
(D) Nucleic Acids
476. is used as biofertilzer
(A) Ectocarpous
(B) Nostoc
(C) Ulothrix
(D) Volvox
477. Which of the following is not an alloy?
(A) Brass
(B) Aluminium
(C) Bronze
(D) German silver
478. This soft material is found inside bones
and is where red blood cells are made.
(A) marrow
(B) enamel
(C) stomach
(D) brain
467. A 468. B 469. B 470. C 471. A 472. A 473. A 474. C 475. A 476. B 477. B
478. A 479. B

43
479. The plants live only for few months are
(A) creepers
(B) climbers
(C) shrubs
(D) none of above
480. Blood circulation from the lungs to (and
for) the heart is called
(A) Full body
(B) Coronary
(C) pulmonary
(D) heart to lung
481. Plants cells that have large intercellular
spaces and living nature are known as
(A) Sclerenchyma
(B) Parenchyma
(C) Collenchyma
482. The measure of the amount of matter
that occupies a given space is called
(A) volume
(B) density
(C) area
(D) weight
483. Once blood clots at a wound, harmful
bacteria are prevented from entering by.
(A) Antibodies
(B) Exudation of serum
(C) Scab formation
(D) Antitoxins released by the blood clot
484. Fermentation makes ATP entirely from
glycolysis. Since it takes place in the cy-
toplasm of the cell, the mitochondria are
(A) inactivated
(B) also involved
(C) not involved
(D) none of above
485. The connects the brain to the spinal
cord.
(A) cerebrum
(B) cortex
(C) synapse
(D) brain stem
486. In what form is most carbon found in the
atmosphere?
(A) CO
(B) CO2
(C) H6C12O6
(D) H2CO3
487. Cellular component can be physically sep-
arated from each other by.
(A) Centrifugation
(B) Radioactive tracers
(C) Microscopy
(D) Chromatography
488. The study of tissues and cells of various
organs of body is called.
(A) Histology
(B) Histography
(C) Histopathology
(D) Tissuepathology
489. What could the core of a virus contain?
(A) RNA
(B) DNA
(C) DNA or RNA
(D) none of these
490. Which type of active channels in the
plasma membrane open or close when they
bind certain chemicals, such as neurotrans-
mitters?
(A) passive channels
(B) ligand gated channels
(C) mechanically gated channels
(D) voltage-gated channels
480. B 481. B 482. B 483. C 484. C 485. D 486. B 487. A 488. A 489. C 490. B
491. B

NARAYAN
CHANGDER
491. The variable that you measure is the-
(A) Independent Variable
(B) Dependent Variable
(C) Constant
(D) Repeated Trial
492. Found in tropical and subtropical cli-
mates, where warm salt water mixes in
estuaries
(A) Rivers
(B) Saltwater Marsh
(C) Mangrove Swamp
(D) Lakes
493. If oxygen is present, what stage follows
glycolysis?
(A) Krebs Cycle
(B) Cellular Respiration
(C) Electron Transport Chain
(D) Photosynthesis
494. Which of the following phase changes is
exothermic?
(A) melting
(B) freezing
(C) vaporization (evaporation)
(D) sublimation
495. What bone am I? I articulate with the
humerus and the clavicle.
(A) Femur
(B) Cranium
(C) Phallanges
(D) Scapula
496. Which structures do plant cells have that
animal cells do NOT have?
(A) cell wall
(B) large central vacuole
(C) chloroplasts
(D) all of these
497. nonliving particle that can reproduce
within a living cell
(A) endospore
(B) virus
(C) vacuole
(D) nucleus
498. How many atoms of carbon (C) are in
C6H12O6?
(A) 3
(B) 6
(C) 12
(D) 24
499. symbiotic relationship in which both
orgamins benefit
(A) mutualism
(B) competition
(C) commensalism
(D) none of above
500. Bacteria are microscopic and
(A) multicellular
(B) unicellular
(C) colonies
(D) larger than animal cells
501. What type of symmetry do MOST mol-
lusks have?
(A) Bilateral
(B) Radial
(C) Circular
(D) Asymmetrical
502. Which of the following is an example of
special purpose analogue computer?
(A) Planimeters
(B) Scale models
(C) Slide rule
(D) All of these
492. C 493. A 494. B 495. D 496. D 497. B 498. B 499. A 500. B 501. A 502. D
503. A 504. B

45
503. The part of the bone where blood cells
are made.
(A) marrow
(B) joint
(C) skeletal
(D) none of above
504. Matter that has gained or lost some elec-
tric charge has.
(A) Kinetic energy
(B) Electric energy
(C) Vibrational energy
(D) Electrostatic energy
505. Viruses are made of
(A) Nucleic Acids and DNA
(B) Nucleic Acids and Proteins
(C) Proteins and Bacteriophages
(D) Proteins and Capsids
506. An ion with a negative charge.
(A) cation
(B) anion
(C) isotope
(D) electrode
507. Which of the following characteristics is
NOT true of vascular plants?
(A) Tall
(B) Has vascular tissue
(C) Must live near water
(D) Has true leaves and roots
508. Boundary where plates slide past each
other sideways.
(A) convergent
(B) divergent
(C) transform
(D) tectonic
509. The amount of energy that usually trans-
fers from one trophic level to the next
(A) 10%
(B) 20%
(C) 80%
(D) 50%
510. Which organism uses Anaerobic Respira-
tion?
(A) Plants
(B) Animals
(C) Bacteria
(D) Protist
511. tubes that carry blood to every part of
your body
(A) capillaries
(B) arteries
(C) veins
(D) blood vessels
512. Conduction is the flow of heat through a.
(A) Gas
(B) Metal
(C) Body
(D) Solid
513. What is overfishing?
(A) The removal of a bad fish from an en-
vironment.
(B) The removal of a dead fish from a
body of water.
(C) The over-breeding of fish.
(D) The removal of a fish species from
a body of water at rate faster than the
species can repopulate.
514. An example of a reflex is
(A) kicking a ball in soccer
(B) sneezing
(C) singing
(D) none of above
515. What type of organism can be found in
extreme environments such as the bottom
of the ocean?
(A) viruses
(B) archaea
(C) eukaryotes
(D) ebola
505. B 506. B 507. C 508. C 509. A 510. C 511. D 512. D 513. D 514. B 515. B
516. B

NARAYAN
CHANGDER
516. Which of these is a large reservoir of
nitrogen that is unusable by most organ-
isms?
(A) soil
(B) atmosphere
(C) ocean
(D) space
517. Which has radial symmetry
(A) Jellyfish
(B) Bird
(C) Human
(D) Butterfly
518. In the heart, what is the name of the
upper, thin-walled chamber through which
blood is pumped to the ventricles?
(A) Valves
(B) Veins
(C) Ventricles
(D) Atrium
519. An ionic compound has charge.
(A) Positive
(B) Negative
(C) No charge
(D) none of above
520. A species whose influence on its com-
munity is much larger that its relative
biomass is termed a ..
(A) keystone species
(B) primary producer
(C) carnivore
(D) trophic kingdom
521. Cells with a nucleus and membrane-
bound organelles are called
(A) prokaryotes
(B) eukaryotes
(C) bacteria
(D) protists
522. What is responsible for diphtheria and in-
fluenza?
(A) Virus and bacteria respectively
(B) Bacteria and virus respectively
(C) Bacteria
(D) Water pollution
523. The basic unit of structure and function
in a living things.
(A) chloroplast
(B) nucleus
(C) cell
(D) cell membrane
524. Haemoglobin contains which mineral:
(A) gold
(B) iron
(C) iodine
(D) sodium
525. Development of gametophyte from veg-
etative cells of sporophyte is called
(A) Apogamy
(B) Apospory
(C) Meiosis
(D) Sexual reproduction
526. What is the primary function of the axial
skeleton
(A) protection
(B) movement
(C) support
(D) formation of blood cells
527. Who first proposed binomial nomencla-
ture as a way of classifying organisms?
(A) Carl Linnaeus
(B) Carl’s Jr.
(C) Charles Darwin
(D) Henry Groseclose
517. A 518. D 519. C 520. A 521. B 522. B 523. C 524. B 525. B 526. A 527. A
528. B 529. A

47
528. A is made by using pieces of deacti-
vated viruses or dead pathogens.
(A) Flagella
(B) Vaccine
(C) Spore
(D) Antibodies
529. any close relationship between species
(A) symbiosis
(B) mutualism
(C) commensalism
(D) parasitism
530. J-Shaped curves
(A) show a decline after an increase
(B) display populations that have reached
carrying capacity
(C) represent exponential growth
(D) does not depend on the numbe rof re-
sources
531. Zia-ud-Din Ibn-e-Baitar was very fa-
mous and pharmacopist of middle ages.
(A) Botanist
(B) Scholar
(C) Scientist
(D) Mathematician
532. The rib cage is an example of
(A) long
(B) short
(C) flat
(D) irregular
533. Elongated cells that form a system of
tubes for water transport.
(A) Scelereids
(B) Tracheids
(C) Chareids
(D) Jamesreid
534. Package and transport proteins from the
cell
(A) Golgi Complex (body)
(B) Endoplasmic Reticulum
(C) Ribosome
(D) Mitochondria
535. Your thigh bone (femur) is which type of
bone?
(A) long
(B) flat
(C) small
(D) irregular
536. Which represents the greatest mass of
sulfur?
(A) 1 gram of sulfur
(B) 1 molecule of sulfur
(C) 0.5 mole of sulfur
(D) 6.02 x 1023 atoms of sulfur
537. Which is the correct role?
(A) The kidneys break down waste prod-
ucts and passes them to the liver for ex-
cretion
(B) The liver break down waste products
and passes them to the kidney for excre-
tion
(C) The kidneys break down waste prod-
ucts and passes them to the rectum for
excretion
(D) none of above
538. What’s the smallest bone in the body?
(A) Patella
(B) Stirrup
(C) Thigh
(D) Teeny
539. If animals eat plants to get energy,
where do plants get their energy?
(A) Soil
(B) Sun
(C) Water
(D) Wind
530. C 531. A 532. C 533. B 534. A 535. A 536. D 537. B 538. B 539. B 540. A

NARAYAN
CHANGDER
540. Balaenopteria musculus is
(A) blue whale
(B) Bark whale
(C) Great shark
(D) Wombat
541. Which vessel takes blood back to the
heart?
(A) Artery
(B) Vein
(C) Capillaries
(D) none of above
542. Martha’s colon cancer has NOT spread.
When abnormal cells are only found in the
tissue of origin, this refers to:
(A) dysplasia
(B) hyperplasia
(C) in situ
(D) invasiveness
543. Which non flowering plants grows best
in dry or cold climates?
(A) Conifers
(B) Mosses
(C) Ferns
(D) Algae
544. Unsaturated fats such as oils can be hard-
ened by which type of reaction?
(A) Addition
(B) Hydrolysis
(C) Condensation
(D) none of above
545. What part of our blood carries oxygen?
(A) Red Blood Cells
(B) White Blood Cells
(C) Plasma
(D) Platelets
546. What is the top of the water-filled
spaces in the ground called?
(A) Groundwater
(B) Reservoir
(C) Water Table
(D) Well
547. Which combination of climate factors
generally results in the coldest tempera-
tures?
(A) low elevation and low latitude
(B) low elevation and high latitude
(C) high elevation and low latitude
(D) high elevation and high latitude
548. Most of earth’s freshwater is
(A) solid
(B) liquid
(C) gas
(D) none of above
549. Regions of the planet with similar types
of life and climates are called
(A) biomes
(B) kingdoms
(C) spheres
(D) systems
550. All amino acids contain just elements.
(A) 4
(B) 2
(C) 5
(D) 3
551. Which has the least negative impact on
wildlife habitat?
(A) agriculture
(B) development
(C) deforestation
(D) recreation
541. B 542. C 543. A 544. A 545. A 546. C 547. D 548. A 549. A 550. A 551. D
552. D 553. C

49
552. What is the most abundant gas in the at-
mosphere?
(A) hydrogen
(B) oxygen
(C) helium
(D) nitrogen
553. The study of the interactions of organ-
isms and their environments is called
(A) geology
(B) meteorology
(C) environmental science
(D) oceanography
554. allow cells to recognize each other
and act like ID tags.
(A) Carbohydrates
(B) Proteins
(C) Phospholipids
(D) Cholesterol
555. The meaning of word gymnosperm is
(A) naked-seed plant
(B) round-seed plant
(C) sharp-seed plant
(D) coated-seed plant
556. What is the function of the skeletal sys-
tem?
(A) It is a complex organ.
(B) It provides transportation.
(C) It provides growth opportunities.
(D) It provides support and protection.
557. The acidity of water is known as
(A) water hardness
(B) pH
(C) nitrate
(D) chlorine level
558. A law which states that when supplies
of goods and services become plentiful,
prices tend to drop. When supplies become
scarcer, prices tend to rise.
(A) loss of biodiversity
(B) supply and demand
(C) tragedy of commons
(D) ecology
559. Plants are grouped by structureres called
tubes or vessels. Plants that do not have
tubes are called plants.
(A) vascular
(B) nonvascular
(C) angiosperms
(D) spores
560. A factor that determines whether a pop-
ulation thrives or declines is called a
(A) Abiotic Factors
(B) Limiting Factors
(C) Biotic Factors
(D) none of above
561. A type of meristematic tissue that
elongates shoots and roots for primary
growth.
(A) Vascular Cambium
(B) Cork Cambium
(C) Apical Meristem
(D) Intercalary Meristem
562. As a virus changes over time, it can af-
fect different systems within the organism.
This change of the virus is called a
(A) mutation
(B) melanin
(C) metaphysics
(D) none of above
563. An essential feature of every good ex-
periment is that it should
(A) Use a control
(B) Test a single variable
(C) Graph data
(D) Both a and b
554. A 555. A 556. D 557. B 558. B 559. B 560. B 561. C 562. A 563. D 564. C

NARAYAN
CHANGDER
564. What is In Vitro Fertilization?
(A) when the egg is donated by another
women
(B) the process of injecting sperm into
the uterus
(C) combining sperm and egg outside the
body then placing into the uterus
(D) when sperm is donated and injected
into the uterus.
565. Which of the following describes the
term, “ecological footprint”?
(A) The mark a person’s shoe makes in
soft earth.
(B) The number of animals a person has
killed.
(C) How fast we consume resources and
generate waste.
(D) The number of trees we cut down.
566. Which characteristic applies to all
prokaryote cells?
(A) They have a nucleus.
(B) They have chlorophyll.
(C) They have mitochondria.
(D) They have ribosomes.
567. Which of the following includes all of the
water on or near Earth’s surface?
(A) Biosphere
(B) Atmosphere
(C) Hydrosphere
(D) Geosphere
568. AIDS, influenza, and Ebola are examples
of diseases caused by microbes called-
(A) viruses
(B) parasites
(C) bacteria
(D) fungi
569. A climber is on a hike. After 2 hours he is
at an altitude of 400 feet. After 6 hours,
he is at an altitude of 700 feet. What is
the average rate of change?
(A) 200
(B) 150
(C) 300
(D) 75
570. All cells need energy to function. Which
cell organelle is responsible for producing
energy in the cell?
(A) chloroplasts
(B) mitochondria
(C) nucleus
(D) vacuoles
571. Process of water exudation through hy-
dathodes is known as
(A) Guttation
(B) Transpiration
(C) Evaporation
(D) Bleeding
572. The is the sum of the protons and the
neutrons in an atom.
(A) Atomic Number
(B) Mass Number
(C) Protons
(D) Neutrons
573. What gland produces e pinephrine, which
is better known as adrenaline?
(A) Thyroid
(B) Adrenal glands
(C) Thymus
(D) Pineal
574. The variable in an experiment deliber-
ately changed by the scientist. The vari-
able being tested.
(A) dependent variable
(B) independent variable
(C) data
(D) control group
565. C 566. D 567. C 568. A 569. D 570. B 571. A 572. B 573. B 574. B 575. A

51
575. Give the formula of ordinary water.
(A) H2 O
(B) O2 H
(C) H4 O
(D) HO 2
576. Which of the following is NOT found in
ALL cells?
(A) ribosomes
(B) cell membrane
(C) mitochondria
(D) DNA
577. What is one reason that viruses are con-
sidered non-living particles?
(A) they have the ability to respond to
changes in their environment
(B) they are unable to reproduce alone
(C) they respond to external stimuli
(D) none of above
578. The “effect” of a given stimulus is the
(A) response
(B) stimulus
(C) cause
(D) result
579. Double layered membrane, or sac, that
covers the outside of the heart
(A) Endocardium
(B) Myocardium
(C) Pericardium
(D) Septum
580. The hormone insulin is secreted in the
Islets of Langerhans of pancreas by the.
(A) x Cells
(B) B Cells
(C) By the x and B cells
(D) Either x or B cells
581. study of similarities and differences in
morphology
(A) biology
(B) invertebrate biology
(C) comparative biology
(D) limnology
582. The idea that living things and the world
are continuously changing
(A) gradualism
(B) common descent
(C) perpetual change
(D) multiplication of species
583. One advantage of joints is that they
(A) allow powerful movements.
(B) can only be used in walking.
(C) allows molting to occur.
(D) provides protection.
584. If ocean water did not move the Earth
would be
(A) colder at the equator
(B) warmer at the equator
(C) warmer at the poles
(D) unchanged
585. The part of blood that sticks together to
help stop bleeding at a cut
(A) red blood cells
(B) white blood cells
(C) platelets
(D) plasma
586. Osteo means?
(A) Bone
(B) muscle
(C) skin
(D) tissue
587. The horizontal underground stem of the
Curcuma plant is called.
(A) Rhizome
(B) Corm
(C) Bulb
(D) Runner
576. C 577. B 578. A 579. C 580. B 581. C 582. C 583. A 584. B 585. C 586. A
587. A 588. A

NARAYAN
CHANGDER
588. Viruses
(A) use a host to reproduce
(B) breath oxygen
(C) grow
(D) eat food
589. A lion that eats a zebra that eats grass
is a
(A) primary consumer
(B) secondary consumer
(C) tertiary consumer
(D) quaternary consumer
590. What happens to particle spacing when
energy is added to a phase?
(A) Particles move farther apart
(B) Particles move closer together
(C) Particles stay the same
(D) none of above
591. The force of flowing rivers usually cut
shaped valleys in the mountain re-
gions.
(A) L
(B) S
(C) T
(D) V
592. Which one of the following an nonrenew-
able resource?
(A) coal
(B) wind
(C) sunlight
(D) trees
593. What change is observed at cathode dur-
ing electrolysis of aqueous copper(II) chlo-
ride using carbon electrode
(A) Nothing
(B) pink solid deposit
(C) bubbles of green gas
(D) colourless gas
594. Sapce biology is:
(A) The study of animals and plants
(B) The study of soil microorganisms
(C) The study of living organisms and
their surrounding environment in the
outer space
(D) All of these
595. Which of the following is NOT a use of
the energy released in respiration
(A) breaking down large molecules into
smaller ones
(B) muscle contraction
(C) active transport
(D) maintaining a steady body tempera-
ture
596. Urban land use does not typically include
(A) farming
(B) residential
(C) industrial
(D) commercial
597. The two tissues vascular plants have are
and
(A) roots and stems
(B) stems and xylem
(C) xylem and phloem
(D) roots and phloem
598. Neurons are highly
(A) unique
(B) strong signaled
(C) perfect
(D) specialized
599. Salt
(A) mixture
(B) compound
(C) element
(D) none of above
589. B 590. A 591. D 592. A 593. B 594. D 595. A 596. A 597. C 598. D 599. B
600. C

53
600. Which shape describes some bacterial
cells?
(A) cube-shaped
(B) bullet-shaped
(C) spiral
(D) robotlike
601. Which process produces 36 ATP, carbon
dioxide and water?
(A) photosynthesis
(B) aerobic respiration
(C) lactic acid fermentation
(D) mitosis
602. What class contains leeches?
(A) Polychaeta
(B) Oligochaeta
(C) Hirudinida
(D) Annelida
603. Which of the following organ systems
aids in bone remodeling?
(A) Endocrine
(B) Muscular
(C) Nervous
(D) Circulatory
604. Phase change from a gas to a liquid.
(A) condensation
(B) evaporation
(C) melting
(D) deposition
605. Autecology deals with ecology of.
(A) Single species
(B) Many species
(C) Community
(D) Area
606. Bacteria can be helpful by
(A) helping us digest food
(B) making cheese
(C) breaking down dead organisms
(D) all of these
607. Which type of movements occur without
participation of brain?
(A) Cranial reflexes
(B) Afferent reflexes
(C) Efferent reflexes
(D) Spinal reflexes
608. What is the Purpose of the gliding joint?
(A) To allow joints to rotate one bone
around another bone.
(B) To allow you to move your bones in a
circle.
(C) To allow one bone to slide over an-
other
(D) To allow bones to bend.
609. Eve is a zoologist what are the guaran-
teed characteristics of all the life she stud-
ies?
(A) Multi-cellular, Eukaryotic, Het-
erotrophs
(B) Unicellular, Eukaryotic, Heterotrophs
(C) Multicellular, Prokaryotic, Autotrophs
(D) Multicellular, Prokaryotic, Het-
erotrophs
610. A lion eating a zebra is an example of:
(A) predation
(B) mutualism
(C) commensalism
(D) parasitism
611. Arrange the following events of meio-
sis in correct sequen (i) Crossing ove(ii)
Synapsis (iii) Terminalisation of chiasmata
(iv) Disappearance of nucleolus
(A) a) (i), (ii), (iii), (iv)
(B)
(C) c) (ii), (i), (iv), (iii)
(D) d) (ii), (i), (iii), (iv)
612. What is Earth’s outermost system?
(A) Atmosphere
(B) Hydrosphere
(C) Cryosphere
(D) Geosphere
601. B 602. C 603. D 604. A 605. A 606. D 607. D 608. C 609. A 610. A 611. D
612. A 613. A

NARAYAN
CHANGDER
613. Subatomic particles with a negative
charge
(A) Electrons
(B) Neutrons
(C) Protons
(D) Quarks
614. In the upper atmosphere the form of oxy-
gen that protects Earth from the sun’s ul-
traviolet rays is?
(A) oxygen
(B) ozone
(C) carbon dioxide
(D) water vapor
615. This gas causes fruits to ripen
(A) carbon dioxide
(B) oxygen
(C) ethylene
(D) nitrogen
616. Amphibians have a chambered heart.
(A) 1
(B) 2
(C) 3
(D) 4
617. allow us to calculate the CO2 levels
of the atmosphere going back 800, 000
years
(A) rocks layers
(B) oceans
(C) ice cores
(D) ancient trees
618. Reptiles have how many heart cham-
bers?
(A) Most reptiles have 2; crocodilians
have 3
(B) Most reptiles have 3; crocodilians
have 4
(C) All reptiles have 3
(D) All reptiles have 4
619. Which cololour penetrates in water far-
ther than other colours?
(A) Yellow
(B) Blue
(C) Red
(D) Black
620. An intensive property that refers to the
appearance of quality of light reflected
from the surface of a mineral.
(A) Luster
(B) Color
(C) Refraction
(D) Smoothness
621. Organisms that do not decompose can be
buried and become what?
(A) water
(B) nutrients
(C) air
(D) fossil fuels
622. Which of the following is a long term ef-
fect air pollution on human health?
(A) Emphysema
(B) bronchitis
(C) pneumonia
(D) Non of the above
623. An example of an emerging viral disease
is:
(A) Ebola
(B) Chicken pox
(C) West Nile
(D) Lyme Disease
624. is done when a force makes an object
move.
(A) Work
(B) Distance
(C) Negative work
(D) Power
614. B 615. C 616. C 617. C 618. B 619. B 620. A 621. D 622. A 623. A 624. A
625. D

55
625. Parathyroid hormone
(A) thyroid gland
(B) pancreas
(C) thymus
(D) parathyroid gland
626. The top chambers of your heart are called
(A) Ventricles
(B) Aorta
(C) Atriums
(D) Pulmonary Artery
627. What is the plant organelle called that
performs photosynthesis
(A) Chloroplast
(B) Mitochondria
(C) Nucleus
(D) DNA
628. One of the following is not an important
factor of transpiration
(A) PH of cell sap
(B) K+ concentration
(C) Phytochrome
(D) ABA
629. What has happened to human resource
consumption in the last several hundred
years?
(A) It has remained at the same level.
(B) It has decreased only slightly.
(C) It has increased dramatically.
(D) It has decreased dramatically.
630. What tissue doe the coelom form in
within a triploblastic animal?
(A) Mesoderm
(B) Endoderm
(C) Ectoderm
(D) Mesoglea
631. Dr.Abdul Salam died in .
(A) 1997
(B) 1996
(C) 1995
(D) 1998
632. The nervous system
(A) receives information aboutwhatisgo-
ingoninyourbodyaswellaswhatisgoing
on around you.
(B) tells your body how to react to the in-
formation it receives.
(C) helps your body maintain homeosta-
sis.
(D) all of the above.
633. Carbohydrate X is a type of simple sugar.
It has sweet taste. It can reduce copper
(II) ions in Benedict’s solution into copper
(I) ions. It is a kind of monomer. What is
X?
(A) Maltose
(B) Lactose
(C) Galactose
(D) Cellulose
634. Merbicides are used against.
(A) Fungi
(B) Weeds
(C) Mites
(D) Worms
635. First antibiotic, penicillin was discovered
by Alexander Fleming in.
(A) 1932
(B) 1934
(C) 1928
(D) 1924
636. Flowering plants are unique because
their seeds are enclosed in:
(A) flowers
(B) cones
(C) fruits
(D) spores
626. C 627. A 628. C 629. C 630. A 631. A 632. D 633. C 634. B 635. C 636. C
637. B 638. A

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