Science 6 2nd Grading Questionnaire

1. Republika ng Pilipinas
KAGAWARAN NG EDUKASYON
Rehiyon XI
SANGAY NG LUNGSOD NG DABAW
Lungsod ng Davao
SECOND GRADING EXAM IN SCIENCE 6
S.Y. 2018-2019
Name : _______________________________________ Date : ______________________
MULTIPLE CHOICE: Read each statement carefully and choose the BEST answer.
1. Which is NOT the function of the human
skeletal system?
A. It protects the organs of the body
B. It converts energy that enables us to
move
C. It supports our body
D. It gives shape to the body
2. How muscles work?
A. If one muscle contracts, the other relaxes.
B. The two muscles relax at the same time.
C. The two muscles contract at the same
time.
D. If one muscle contract, the other will also
contract.
3. The following are the functions of the
integumentary system EXCEPT one. Which
is it?
A. Acts as a barrier to protect the body from
the outside world.
B. Regulates body temperature.
C. Retains body fluids.
D. Supplies waste products to different body
systems.
4. Which of the following comprises the layers of
the skin?
A. 1,2,3 C. 3,4,5
B. 2,3,4 D. 4,5,6
5. What do you call the process by which your
body breaks down the food you eat into
simpler substance?
A. Digestion C. Respiration
B. Perspiration D. Transpiration
6. Which part of the digestive system where the
digestion process will be completed?
A. 3 B. 4 C. 5 D. 10
7. What is the function of the respiratory
system?
A. To get rid of the body of wastes and to
keep the composition of the blood
constant.
B. To distribute needed materials to the
cells and collects waste materials from
them.
C. To protect the body from
microorganisms and foreign
substances.
D. To supply the blood with oxygen to all
parts of the body.
8. Which two statements describe how the
diaphragm works?
I. When the diaphragm relaxes, air is
expelled from the lungs.
II. When the diaphragm relaxes, air is
pulled into the lungs.
III. When the diaphragm is pulled flat, air
is pulled into the lungs.
IV. When the diaphragm is pulled flat, air
is expelled out of the lungs.
A. I and III C. I and IV
B. II and III D. II and IV

2. For items 9-14, please refer to the illustrations
below.
I II
III
IV
9. Which of the following body systems
distribute oxygen and absorbable food
nutrients all over the body?
A. I B. II C. III D. IV
10.Which statements describe the function/s of
the blood?
I. It supplies the cells with oxygen
II. It circulates food throughout the body
III. It removes carbon dioxide from the cells
IV. It fights against disease-causing
microorganisms
A. I and II C. I, III and IV
B. II and IV D. I, II, III and IV
11.Which of the following body systems keep a
stable balance of salts and other substances
in the blood?
A. I C. III
B. II D. IV
12.What is the function of the kidney?
A. It filters blood containing wastes.
B. It connects the bladder and the ureters.
C. It holds the urine until it leaves the body.
D. It is the entrance of blood to the bladder.
13.Which of the following body systems control
all bodily activities?
A. I C. III
B. II D. IV
14.Which part of this system serves as the
control center of the body?
A. Brain C. Nerve
B. Spinal Cord D. Sense organs
15.How are you going to keep your body
systems healthy?
I. Have a regular medical check-up
II. Have a rigorous exercise
III. Have enough rest
IV. Have a balanced diet
A. I, II, III C. I, III, IV
B. I, II, IV D. II, III, IV
16.Which of the following is NOT a healthy
habit?
A. Taking a bath daily
B. Moving your bowels daily
C. Washing your hands before eating
D. Avoiding eating fruits and vegetables
17.What will happen to the tendon when the
muscles will move?
A. When the muscles move, the tendon pulls
the bone, causing it to move.
B. When the muscles move, the joints pull
the bone, causing it to move.
C. When the muscles move, the tendon push
the bone, causing it to move.
D. When the muscles move, the joints push
the bone, causing it to move.
18.How are the three different body systems
connected to the Circulatory System?
A. supplies oxygen and takes away carbon
dioxide; supplies food nutrient; purifies the
blood
B. inhale and exhale; breakdown food;
cleans up the blood
C. nose; mouth; urethra
D. air; food; water
19.What will happen if one part of the system
fails to carry out its function properly?
A. The other systems will still function
properly.
B. The other systems will be affected.
C. All body systems will not function properly.
D. Nothing will happen
20.The following explains how wastes are
removed from the body EXCEPT one.
A. By digesting C. By sweating
B. By urinating D. By exhaling

3. For items 21-24, refer to the word list below.
dolphin pig toad jellyfish earthworm
clam snail turtle dog monkey
lobster cat eagle spider starfish
21.Which of the following group are vertebrates?
A. dolphin, jellyfish, and starfish
B. pig, monkey, and eagle
C. lobster, spider, and clam
D. earthworm, snail, and cat
22.Which mammals are usually found at home?
A. jellyfish and starfish
B. monkey and eagle
C. cat and dog
D. earthworm and snail
23.Which of the following group are
invertebrates?
A. dolphin, jellyfish, and starfish
B. pig, monkey, and eagle
C. lobster, spider, and clam
D. earthworm, snail, and cat
24.Which of the invertebrates can be found
easily in your backyard?
A. jellyfish and starfish
B. monkey and eagle
C. cat and dog
D. earthworm and snail
For items 25-26, refer to the chart below.
I III
II IV
25.Which group of animals have moist and slimy
skin?
A. I B. II C. III D. IV
26.Which group of animals have soft body?
A. I B. II C. III D. IV
27.Which set of animals is composed of a
mammal, a reptile and a bird?
A. bat , cat, dog
B. frog, snakes, turtle
C. bat, snake, chicken
D. salamander, toad, maya
28.Biologists classify animals into vertebrates
and invertebrates. What do vertebrates have
that CANNOT be found in invertebrates?
A. A. body coverings C. legs
B. B. spines D. segmented body
For Item No. 29, refer to the animals below.
Group I Group II
29.What is the animal classification of group II?
A. reptile C. mammal
B. amphibian D. fish
30.Which of the following is an example of
spore-bearing plants?
A. Fern C. Acacia Tree
B. Pine trees D. weeds
31.Where do ferns produce their spores?
A. In the flower
B. On their stems
C. Inside their cones
D. Underneath their leaves
32.How are pine tree, cypress, and evergreen
plants similar to each other?
A. They produce cones.
B. They produce spores.
C. They are flowering plants.
D. They are non-flowering plants.
33.Gymnosperm plants are cone-bearing. Which
plant is an example of a gymnosperm?
A. C.
B. D.
34.Which characteristics of cone-bearing plants
enable them to survive in harsh conditions
and rough terrain?
I. They are hardy plants
II. They are flowering plants.
III. They are needle-like leaves
IV. They live in freshwater environment.
A. I only C. II and IV
B. I and II D. IV only
35.Why conifers are called “naked seeds”?
A. Are attached to their fruit
B. Are covered with fruits
C. Not covered with fruit
D. Grow in leaves

4. For Item Nos. 36 - 37, refer to the plants below.
One of the plants below has the following
characteristics:
 It has conducting tubes.
 It has roots, stems, and leaves.
 It has naked seeds.
 It bears cones.
36.Which one is it?
37.Which plant has a life span of less than a
year?
A. A and B only C. C only
B. B and D only D. D only
38.How do cone-bearing plants reproduce?
I. During pollination, they must contain large
anthers and have a reduced amount of
leaves.
II. During pollination the seeds sprout rapidly
III. The spores produce more seeds until it
mature.
IV. During day weather, pieces of seeds are
scattered by the winds. They sprout and later
grow into plant.
A. I only C. II and III
B. I and II D. I, II and IV
39.Which is the first step in the fertilization
process of cone-bearing plants?
A. Pollination
B. The growth of fruit
C. A tube grows to the pistil
D. The sperm joins with the egg
40.Which of the following is TRUE about
mosses?
A. They have no true roots.
B. They have stems and leaves.
C. They have dark and green leaves.
D. They grow in a warm and dry area.
41.Which statement differentiates how spores
and cone-bearing plants reproduce?
I. Spores are being reproduce underneath their
leaves while confers are inside their cones
II. Spores reproduce through their stems while
conifers are through their roots.
III. Spores reproduce through their flowers while
conifers are through their seeds.
IV. Spores reproduce through their cones while
conifers are through their spores.
A. I only C. I, II, III
B. I and II D. I, II, III, and IV
42.All plants have spores, but only this plant
releases spores for reproduction. Which one
is it?
A C
B D
43.Which is the first step in the fertilization
process of cone-bearing plants?
A. Pollination
B. The growth of fruit
C. A tube grows to the pistil
D. The sperm joins with the egg
44.Which biotic components are found in the
mangrove ecosystem?
A. mussels, fish, corals
B. sea grass, oysters, manatees
C. mangroves, crustaceans, mollusks
D. algae, mangroves, whales, crustaceans
45.Which is considered as the resident species
in the mangrove swamp ecosystem?
A. fish C. oysters
B. egret D. monitor lizard
46.How long does it take for a coral reef to form?
A. For a few years
B. For a few months
C. Over a short period of time
D. Over a long period of time

5. 47.Which of the following destroys the balance
of an ecosystem?
A. recycling materials
B. planting more trees
C. disruption of nutrients cycle
D. conservation of natural resources
48.How do improper wastes disposal affect the
marine life?
A. Marine animals cannot use up oxygen due
to the waste that cover the top sea water.
B. It kills a large number of marine living
things.
C. Wastes can be food for aquatic animals.
D. Both A and B
49.All of the statements below show concern for
marine life, EXCEPT one. Which is NOT?
A. Ban on gathering corals.
B. Sewage disposal in areas and seas.
C. Putting small fishes back to the sea.
D. Punishing fisherman caught using
dynamite in fishing.
50.How do forests help in maintaining global
climate?
A. Plants soak up large amounts of rainfall.
B. Plants provide a habitat for plants and
animals.
C. Plants provide materials for constructions
and other needs of people.
D. Plants absorb carbon dioxide and release
oxygen during photosynthesis.

6. 1. C
2. A
3. D
4. C
5. A
6. B
7. D
8. A
9. B
10. D
11. C
12. A
13. A
14. A
15. C
16. D
17. A
18. A
19. B
20. A
21. B
22. C
23. C
24. D
25. C
26. B
27. C
28. B
29. A
30. A
31. D
32. A
33. C
34. A
35. C
36. A
37. D
38. B
39. A
40. A
41. C
42. C
43. A
44. A
45. A
46. D
47. C
48. D
49. B
50. D