This document contains 25 multiple choice questions about science topics such as plants, cells, farming equipment, light phenomena, the atmosphere, composting, sources of energy, the solar system, biology processes like photosynthesis and more. The questions have a single correct multiple choice answer labelled A, B, C or D.
Soal UTS IPA Kelas 6 Semester 2 terdiri dari 50 soal pilihan ganda. Untu mendapatkan soal mata pelajaran yang lain silakan mengunjungi www.pendidikandasar.net
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ECS111 P SEALEY EXAM 2 STUDY QUESTIONS 2019 1 .docxtidwellveronique
ECS111 P SEALEY EXAM 2 STUDY QUESTIONS 2019
1
EXAM 2 IS TUESDAY APRIL 9th, 2019
REVIEW ESFCW CHAPTERS 5 and 6
EXAM 2 is worth 15 POINTS
1. Which of the following statements is an example of climate?
a. The temperature today is unusually cold for this time of year.
b. Heavy local rains caused flooding in low-lying areas.
c. Long winters and hot, humid summers are typical of the upper Midwest.
d. If the drought in Oklahoma continues next year, it will be the worst since the Dust Bowl.
e. High humidity intensifies the oppressive heat.
2. The evolution of the average behavior of the Earth’s atmosphere over time is called
a. weather. b. climate.
c. climate change. d. hurricanes.
e. stratospheric migration.
3. Components of the climate system do not include
a. the sun. b. oceans.
c. glaciers. d. the atmosphere.
e. cosmic rays.
4. What is e-waste and why is it a concern?
5. Which of the following is not a driver in Earth’s climate?
a. The gravitational pull of the moon b. The sun
c. Ocean currents d. Carbon dioxide in the atmosphere
e. Clouds
6. Which of the following statements concerning the composition of the atmosphere is true?
a. Water consistently is the gas present in the highest concentrations.
b. N2 and O2 concentrations tend to be variable.
c. CO2 is present in the lowest concentration of all gases.
d. Methane concentration is about 17 parts per million by volume.
e. Carbon monoxide concentration is 388 parts per million.
7. What is the difference between a sanitary land fill and an open dump? Does garbage decompose more quickly in a
sanitary landfill?
8. If you were to measure the composition of the atmosphere across the globe, the composition would be relatively
constant except for
a. nitrogen and oxygen.
b. oxygen and helium.
c. helium and carbon dioxide.
d. carbon dioxide and water vapor.
e. water vapor and ozone.
9. Ozone exists mostly
a. in the stratosphere. b. underground in reservoirs.
c. dissolved in water. d. in the cryosphere.
e. None of the above
ECS111 P SEALEY EXAM 2 STUDY QUESTIONS 2019
2
10. Incident ultraviolet radiation from the sun is blocked by
a. clouds. b. sulfur dioxide.
c. chlorofluorocarbons. d. methane.
e. ozone.
11. Are most plastics degradable, biodegradable or non-degradable waste? How well do plastics break down?
12. The greatest quantity of fresh water is held in
a. rivers. b. lakes. c. ground water. d. oceans. e. glaciers and ice caps.
13. Which of the following does not play a role in reflecting incident sunlight back into space?
a. Methane b. Ice
c. Clouds d. Sulfur oxides
e. Particulate matter suspended in the atmosphere
14. Other than CO2, what greenhouse gas has the longest lifetime in the atmosphere?
a. Nitrous oxide b. Ozone
c. CFCs d. Methane
e. Both a and c
15. Without the greenhouse effect, the atm.
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The French Revolution, which began in 1789, was a period of radical social and political upheaval in France. It marked the decline of absolute monarchies, the rise of secular and democratic republics, and the eventual rise of Napoleon Bonaparte. This revolutionary period is crucial in understanding the transition from feudalism to modernity in Europe.
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CLASS VIII SLATE SCIENCE WITH KEY
1. 1. Which of the following is true about a leaf that appears red?
A. It absorbs red light and reflects light of all other colours.
B. It reflects red light and absorbs light of all other colours.
C. It absorbs red light and reflects green light.
D. It reflects red light and transmits green light.
Correct Answer : B
2. Which of these best describes function of vacuole in plant cells?
A. to store glucose formed during photosynthesis
B. to maintain shape and structure of cell
C. to provide water to different parts of plants
D. to decompose glucose to produce energy
Correct Answer : B
3. Given below are pairs of farming equipment and its use in farming process. Which pair is a
wrong match?
A. Hoe - winnowing
B. Drill - sowing
C. Sickle - harvesting
D. Sprinkler - irrigation
Correct Answer : A
4. Which of the following is NOT an advantage of irrigation?
A. keeps soil insects away
B. improves soil aeration
C. dissolves nutrients in fertilisers
D. helps in germination of seeds
Correct Answer : B
2. 5. Which cell structures are found only in a plant cell?
A. Cell wall, plastids
B. Cell wall, mitochondria
C. Cell wall, cilia, vacuole
D. Cell wall, cytoplasm, vacuole
Correct Answer : A
6. Copper loses its lustre when exposed to atmosphere due to -
A. formation of rust
B. deposition of acid layer
C. formation of oxide layer
D. deposition of carbonate
Correct Answer : C
7. Which of the following is a polymer found in nature?
A. Cellulose
B. Nylon
C. Plastic
D. Thermocoal
Correct Answer : A
8. When an inflated balloon is rubbed with a cloth piece and pressed against a wall, it sticks to the
wall. This force of attraction is an example of �
A. Friction
B. Magnetic force
C. Electrostatic force
D. Gravitational force
Correct Answer : C
3. 9. The rise of a liquid in a dropper shown below, is due to -
A. Fluid pressure
B. Atmospheric pressure
C. Gravitational pull
D. Property of rubber
Correct Answer : B
10. Swimming pools appear shallower than they really are. Which light phenomenon could best
explain it?
A. Reflection
B. Refraction
C. Rectilinear propagation
D. Scattering
Correct Answer : B
11. Which of the following is the list of gases found in the atmosphere in increasing order of
abundance?
A. Nitrogen, oxygen, carbon dioxide
B. Oxygen, carbon dioxide, nitrogen
C. Nitrogen, carbon dioxide, oxygen
D. Carbon dioxide, oxygen, nitrogen
Correct Answer : D
4. 12.
Class 8 students were assigned a project to prepare compost. Students of different group collected following
materials in their garden pits and covered it with soil. They watered it occasionally.
Student Groups Materials collected in garden pits
Group I Dry leaves, vegetable peels, banana
peels
Group II Paper cups, biscuit wrapper, tissue
paper
Group III Tea leaves, Vegetable peels, waste
bread
Group IV Sand, fertiliser, earthworm
After one and half months, only two groups could get manure from their pits. The groups were -
A. I and II
B. I and III
C. II and III
D. II and IV
Correct Answer : B
13. Which of the following sources of energy when used in car, does not produce carbon dioxide?
A. CNG
B. Petrol
C. Solar panel
D. Biodiesel
Correct Answer : C
5. 14. Mona listed following key words related with properties of sources of energy –
I. Non-exhaustible
II. Easily available
III. Cheap
IV. Renewable
Which of these meets the criteria listed by Mona?
A. Nuclear power
B. Thermal energy
C. CNG
D. Biogas
Correct Answer : D
15. In Northern Hemisphere, the Sun rises in South-east direction during winters. In which direction
does Moon rise on a Full Moon Day in winters?
A. West
B. South-east
C. South west
D. North East
Correct Answer : B
16.
Which phenomenon could be best explained by the given diagram?
A. solar eclipse
B. lunar eclipse
C. formation of day and night
D. occurrence of seasons
Correct Answer : A
6. 17. Raveena wants to see if plants can grow when watered with X brand of cold drink. She noted
down some options as following –
I. Take two different potted plants
II. Take two same potted plants
III. Give equal quantity of water to both plants
IV. Give water to one plant and the same amount of X cold drink to another plant
V. Put both plants under Sun
VI. Put one plant indoor, another under sun
Which set of options would provide Raveena desirable result?
A. I, II, V
B. I, IV, VI
C. II, IV, V
D. II, IV, VI
Correct Answer : C
18. Honey is rich source of energy. Energy stored in honey is finally released in cells by the process
of
A. respiration
B. digestion
C. excretion
D. secretion
Correct Answer : A
19. Which of the following structure provides protection for the embryo during development?
A. umbilical cord
B. ovary
C. amniotic sac
D. placenta
Correct Answer : C
7. 20. Which of the following describes the process of photosynthesis?
A. using sunlight energy to make sugars
B. release of energy by breaking down glucose
C. storage of energy in the form of carbon dioxide
D. producing water for transportation of food
Correct Answer : A
21. In an electromagnet, a conductor is coiled around -
A. a test tube
B. an iron nail
C. a roll of paper
D. a pencil cell
Correct Answer : B
22. The table below shows average distance of these planets from the Sun.
Planet Av Distance from the Sun
(million kilometres)
Earth 149.5
Jupiter 777.3
Mars 227.9
Mercury 57.9
Venus 108.2
Based on this table, which of these planets is most likely to be the hottest?
A. Earth
B. Mars
C. Mercury
D. Jupiter
Correct Answer : C
8. 23. Which of the following could be explained by the refraction of light?
A. shadow formation
B. image in mirror
C. looking at birds sitting on a tree through window
D. viewing a coin at the bottom of a glass of water
Correct Answer : D
24. Ritu wants to compare the mass and volumes of three objects. Which two instruments should
be used?
A.
B.
C.
D.
Correct Answer : B
9. 25. A scientist recorded the growth in number of a microorganism for two hours.
What would be the number of microorganism after 2 hours?
A. 90
B. 100
C. 120
D. 160
Correct Answer : D