Tuesday, August 4, 2009
science answer key first
Science 5
1. C
2. C
3. C
4. C
5. B
6. B
7. A
8. A
9. B
10. A
11. A
12. D
13. B
14. A
15. C
16. C
17. D
18. B
19. B
20. B
21. B
22. A
23. A
24. C
25. A
26. A
27. A
28. A
29. C
30. D
31. B
32. D
33. C
34. B
35. B
36. C
37. C
38. C
39. D
40. A
41. 3
42. 2
43. 4
44. 1
45. respiratory
46. reptile
47. feathers
48. meat
49. herbivores
50. invertebrates
Answer key
Science first 4
1. A
2. C
3. B
4. A
5. C
6. B
7. B
8. A
9. C
10. A
11. A
12. B
13. C
14. A
15. A
16. B
17. A
18. C
19. C
20. C
21. D
22. B
23. C
24. A
25. A
26. D
27. B
28. A
29. C
30. B
31. C
32. D
33. A
34. B
35. B
36. B
37. C
38. A
39. D
40. 4
41. 3
42. 1
43. 5
44. 2
45. skull
46. eye socket
47. fly
48. maggot
49. tooth decay
50. sprain
science 4 first
SCIENCE AND HEALTH IV
Name: ______________________School: ______________Grade and Section: _________Date:________
I. DIRECTIONS : Read the sentences carefully. Choose and write letter of the correct
answer on your answer sheet.
1. What is inside the bone?
A. bone marrow
B. tendon
C. cartilage
D. minerals
2. What are joints?
A. They are irregular bones of the body.
B. They are the cartilage and ligaments that connect the bones to the other parts of the body.
C. They connect the bones and allow them to move in various ways.
D. They support the body.
3. Which part of the skeletal holds you upright?
A. skull
B. backbone
C. ribs
D. foot bone
4. What is the structure of the skeletal system?
A. All the bones of the body, their connecting cartilages and ligament make up the body’s skeletal system.
B. The skeletal system is made up of the intestine and other intestinal organs.
C. The structure of the skeletal system consists of the testes and ovary.
D. The structure of the skeletal system consists of the heart and lungs.
5. The end of the bones in the joints is protected by smooth, slippery _____ which serves
as cushion.
A. ribs
B. spinal cord
C. cartilage
D. tendon
6. Why do we say that the skeletal system is the framework of the body?
A. Because the skeletal system manages the brain of the human body
B. Because the bones that make up the human skeletal system support the softer parts of the body and give its general shape
C. Because the skeletal system provides the food of the body
D. Because the skeletal system provides oxygen for the body
7. What do you call the white, cordlike bonds that hold the bones and joints, which help the bones move up?
A. pelvic bones
B. ligaments
C. bone marrow
D. tendon
8. If you move your arm in circular motion you will notice that the bone at the end of the arm bone can turn in any direction. What do you call this joint?
A. ball and socket joint
B. hinge joint
C. pivot joint
D. gliding joint
9. Why can you bend, straighten, or rotate parts of your body?
A. Because of the presence of the skull
B. Because of the presence of the ribs
C. Because of the joints
D. Because of the cartilage
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10. Because of the skeletal system, the body can move about ______and in number of ways.
A. freely
B. in whirling motion
C. with difficulty
D. up and down
11. Why should food be digested?
A. Food needs to be digested so that it can be transported through the bloodstream and be used by the cells that make up the body.
B. There is a need for food to be digested so the brain can think well.
C. Food should be digested to enable the heart to beat.
D. Food should be digested so that bones can move.
12. What chemicals in the digestive system change food to simpler substances?
A. saliva
B. enzymes
C. juices
D. blood
13. Which of these connects a muscle to a bone?
A. cartilage
B. ligament
C. tendon
D. fluid
14. One of a pair of muscles gets longer. What does this show?
A. This muscle relaxed.
B. This muscle contracts.
C. This muscle is tired.
D. This muscle is strong.
15. Why do involuntary muscles keep on moving all the time?
A. They are very smooth.
B. They are very rough.
C. They are fibrous
D. They are tough.
16. Animals develop from fertilized egg cells called?
A. egg yolk
B. zygote
C. egg cell
D. sperm cell
17. Other animals lay their fertilized eggs and the eggs hatch to produce young ones. Identify from the following the animals hatched from eggs.
A. fish, insects and birds
B. goats, pig and cows
C. dogs, cats, and horses
D. bats, crocodiles, and monkeys
18. How do animals and plants grow in number?
A. through digestion
B. through respiration
C. through reproduction
D. through metamorphosis
19. Which of the following is a characteristic of all living things?
A. Living things have the same parts.
B. Living things have the same kind of food.
C. Living things reproduce their own kind.
D. Living things reproduce the same day.
20. There are two basic ways in which sperms and eggs are brought together. There are internal fertilization which is ______ and the external fertilization.
A. The eggs and sperms are both released into the surroundings.
B. The eggs are hatched.
C. The eggs are retained inside the reproductive organ of the mother.
D. The eggs are broken. mjap
21. Which of these animals look like its parents animal when it is born?
A. bird
B. butterfly
C. cockroaches
D. goat
22. Sexual reproduction of animals depends on fertilization which is _____.
A. the process of mixing fertilizer on soil
B. the union of sperm coming from the father and an egg coming from the mother to produce an offspring
C. the process of digesting off spring
D. the process of life cycle
23. Some of these animals carry the fertilized egg inside their body and have their young ones
born alive. Which of these animals were born baby animals?
A. chicks
B. tadpoles
C. piglets
D. crocodile
24. What happen during fertilization?
A. a sperm unites with an egg
B. a sperm matures
C. a sperm disappears
D. a sperm becomes an egg
25. Which shows the correct order in the life cycle of a mosquito?
A. egg – larva – pupa – adult
B. egg – pupa – larva – adult
C. egg – larva – adult – pupa
D. larva – pupa – egg – adult
26. A boy twisted his foot while running. He felt a sudden pain and saw that his foot was
beginning to swell. What kind of injury did he have?
A. fracture
B. scoliosis
C. dislocation
D. sprain
27. Why is splint used as first aid for a fractured bone?
A. to cure the bone from being moved
B. to prevent the bone from being moved
C. to prevent the bone from bleeding
D. to prevent the muscle from being detached from the bone
28. One of a pair of muscles gets longer. What does this show?
A. This muscle relaxes.
B. This muscle contracts.
C. This muscle is tired.
D. This muscle is strong.
29. Which of these activities show that muscles and bones work together?
A. beating of the heart
B. movement of the stomach
C. bending of the arms
D. swallowing of food
30. While swimming, Martham suddenly felt a sharp pain in his leg. He found out that he could not move it. What injury is this?
A. strain
B. muscle cramp
C. torn muscle
D. muscle bruise
31. In which part of the body is food bitten, broken, and chewed into pieces?
A. stomach
B. small intestine
C. teeth
D. saliva
32. In which part of the body is food completely digested?
A. stomach
B. large intestine
C. esophagus
D. small intestine
33. What happens to undigested food?
A. They are passed out of the body as wastes.
B. They are stored in the liver.
C. They are absorbed in the blood.
D. They are stored in the pancreas.
34. What helps digest the fats in food?
A. saliva
B. bile
C. pancreatic juice
D. blood
35. In which stage of its life cycle is an insect at rest?
A. egg
B. pupa
C. larva
D. adult
36. When a tadpole grows into a frog, it losses its gills. What replaces the gills?
A. tail
B. lungs
C. fins
D. tongue
37. Which adult insect will a nymph become?
A. housefly
B. butterfly
C. cockroach
D. moth
38. In what way are maggots useful?
A. They help decayed matter become part of the soil.
B. They eat decayed fruits.
C. They give off fertile waste.
D. They eat other insects.
39. What would you infer when you see tiny white dots on a rotten fruit?
A. They are the eggs of a cockroach.
B. They are the eggs of a butterfly.
C. They are the eggs of a mosquito.
D. They are the eggs of a fly.
II . DIRECTIONS : Arrange the path of food as it moves in the digestive system.
Write the numbers 1 – 5 on your answer sheet.
______40. small intestine
______41. stomach
______42. mouth
______43. large intestine
______44. esophagus
III. ANALOGY:
45. heart is to ribs as brain is to _________
46. spinal cord is to backbone as eye is to ________
47. mosquito is to malaria as ________ is to diarrhea
48. caterpillar is to butterfly as _______is to fly
49. constipation is to hard, dry feces as _____ is to decayed tooth
50. fracture is to broken bone as ______ is damaged ligaments
mjap
Science and Health 4
First Periodical Test
Table of Specification
LEARNING OBJECTIVES
TEST PLACEMENT
TOTAL
%
Identify some bones that make up the skeletal system
Demonstrate how the skeletal system enables us to move
Identify the bones that protect the internal organs
Identifies the function of the mouth
Trace the path of food in the digestive system
Explains what happens to food in the small intestine
Explains what happens to undigested food
Identify common ailments of the digestive system
Identify injuries and diseases that can harm the skeletal and muscular systems
Demonstrates first aid treatment for sprain and simple fractures
Explain why food has to be digested
Illustrates how muscles are connected to the bones
Describes the function of the muscular system
Differentiates voluntary muscles from involuntary muscles
Explains/Demonstrates how muscles cause body movements
Cites simple body activities that show the coordinated functions of the skeletal and muscular systems
Identify animals hatched from eggs
Identify animals that are born alive as baby animals
Describe the life cycle of some animals
Describes the changes in animals as they developed and grow
Identify some animals that are carriers of diseases, sources of infection allergy and injury
Identifies ways in which animals are useful and harmful to people
TOTAL
1 – 7
8 - 10
45 – 46
31
40 – 44
32 – 34
33
50
26, 30, 47
27
11 – 12
13
14
15
28
29
16 – 17
18 – 22
23 – 25, 35, 36
37, 48
49
38 – 39
50
7
3
2
1
5
2
1
1
3
1
2
1
1
1
1
1
2
5
5
2
1
2
50
14%
6%
4%
2%
10%
4%
2%
2%
6%
2%
4%
2%
2%
2%
2%
2%
4%
10%
10%
4%
2%
4%
100%
mjap
science 5 first
FIRST PERIODICAL TEST
SCIENCE AND HEALTH V
Name: _________________________School: ____________________Grade:_______
I. DIRECTIONS : Read the sentences carefully. Choose and write letter of the correct answer
on your answer sheet.
1. Why are ovaries important?
A. Ovaries produce lubricants.
B. Ovaries provide passageway for the egg cell.
C. Ovaries produce the egg cell.
D. Ovaries enable menstrual flow to pass out the body.
2. Which reproductive organ manufactures millions of sperms?
A. prostate gland .
B. epididymis
C. testicles
D. scrotum
3. When does fertilization occur?
A. when the egg cell leaves the ovary
B. when the sperm cells enter the uterus
C. when the sperm cell and egg cell unite
D. when the egg cell attaches itself to the uterine wall
4. How are boys different from girls in terms of physical growth during puberty?
A. Boys are as tall as girls.
B. Boys mature faster than girls.
C. Boys are slow ion gaining height compared to girls.
D. Boys are taller than girls.
5. Menstruation is a sign that a girl is __________
A. already pregnant
B. capable of producing offspring
C. no longer capable of becoming pregnant
D. already menopausal
6. How will you describe menstruation?
A. It is a discharge of blood in the Fallopian tube.
B. It is a discharge of blood from the uterine wall.
C. It is the discharge of blood from the ovary.
D. It is both a and c.
7. Camille likes salty snacks. What would you advise her if you were her friend?
A. Advise her to eat fruits instead.
B. Advise her to consult a physician.
C. Advise her to consult a dietician.
D. Advise her to exercise more often.
8. What do you call the two tubes found at the lower end of the trachea?
A. bronchial tubes
B. larynx
C. pharynx
D. alveoli
9. Why does the lung expand when one inhales?
A. to accommodate the incoming air
B. to increase the surface area of the lungs
C. to liquify air
D. to heat air
10. Why is the diaphragm vital to the process of breathing?
A. It helps air to be taken in and pushed out of the lungs.
B. It helps to control air movement.
C. It helps to spread the air throughout the lungs.
D. It helps purify air.
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11. What respiratory ailment is caused by irritation to certain substances such as pollen grains,
dust particles, or drugs?
A. asthma
B. bronchitis
C. emphysema
D. pneumonia
12. When a person suffers from night sweating, night fever, chest pain, lost of weight, frequent
coughing, and blood in the sputum, what respiratory ailment is he suffering from?
A. asthma
B. emphysema
C. pneumonia
D. pulmonary tuberculosis
13. Which of the following is good for your lungs?
A. dirty crowded room
B. spacious, well – ventilated, and clean surroundings
C. drinking fruit juices rich in vitamin C
D. both b and c
14. Why is a sponge bath usually given to a person affected by common ailments of respiratory
system.
A. to lower person’s body temperature
B. to raise the person’s body temperature
C. so that perspiration evaporates
D. both a and c
15. Which body organ removes water, salts, and urea from the blood?
A. heart
B. lungs
C. kidneys
D. large intestine.
16. Why is the urinary bladder an important structure of the urinary system?
A. It carries filtered blood away from the kidneys.
B. It conducts urine from the kidney to the urethra.
C. It holds or stores urine temporarily.
D. It controls the opening and closing of the nephrons.
17. What is the common symptom of urinary tract infection?
A. intense pain in the back
B. blood in the urine
C. shock
D. both a and b
18. What body organ excretes undigested food?
A. kidney
B. large intestine
C. lungs
D. skin
19. How do aphids get their food?
A. by eating dead animal
B. by sucking plant juices in the leaves
C. by burrowing into the ground
D. by looking for a host animal
20. Why can a lion tear flesh?
A. because its teeth are adapted for chewing
B. because its teeth are sharp and pointed
C. because it only has lower front teeth
D. both a and b
21. Why do polar bears have thick fur?
A. so that they are good to look at
B. so that they can always feel warm
C. so that they can walk fast
D so that they can sleep better
22. Why does a camel move slowly when it is in a long journey?
A. so that it can conserve water and body energy
B. so that it can get sunlight
C. so that it can withstand the hot sand
D. all of the above
23. Why should a grasshopper blend with its environment?
A. so that it can hide from its predator
B. so it can appear more attractive
C. so that it can inject poison
D. so that it can attack larger animals
24. Which of these marine animals have bodies full of holes or pores?
A. ringworms
B. crabs
C. sponges
D. jellyfishes
25. Which of these animals have tentacles that contain poison?
A. jellyfish
B. snail
C. ascaris
D. amoeba
26. Coral reefs are skeletal remains of _________.
A. coelenterates
B. anthropods
C. mollusks
D. insect
27. Coral reefs are important because
A. they serve as shelter for marine animals
B. they are used as fishing grounds of scuba divers
C. they are used as food
D. they are used as solid foundation of high – rise building
28. What happens when fisherman use dynamite for fishing?
A. The coral reefs are destroyed.
B. The coral reefs are healthy.
C. The coral reefs’ garbage are thrown away.
D. The coral reefs continuously build up.
29. Predict what will happen if there are predator starfish in the coral reef.
A. Coral build up will increase
B. Tropical fishes will die
C. Coral build up will decrease
D. Coral will change color
30. Which you should not do if you want to save coral reefs?
A. Inform fishermen on the proper way of fishing.
B. Join organizations whose aims is to preserve our coral reefs.
C. Use nets instead of explosives to catch fish.
D. Use dynamites for fishing
II . DIRECTIONS : Arrange the events by writing the numbers 1 – 4 correctly on your
answer sheet.
______31. The embryo develops into a fetus.
______32. The fertilized egg develops into an embryo
______33. The fetus has developed a body, complete with a head, arms, and legs.
______34. The sperm and egg cell unite
III. ANALOGY:
35. reproductive system is to ovary as to __________ is to lungs
36. snakes is to ______ as to monkey is to mammal
37. fishes : scales as to birds : _______
38. herbivores : plants as to carnivores : ________
39. caterpillar : ________ as to lion : carnivores
40. amphibians : vertebrates as to tapeworms : _______
Science and Health 5
First Periodical Test
Table of Specification
| LEARNING OBJECTS | TEST PLACEMENT | TOTAL | % |
| Relate the structure of the male and female reproductive system o their functions in reproduction Identify the male and female reproductive systems and their major parts Explain the fertilization in humans Discuss fertilization and development of a fertilized egg Describe certain physical changes affect the male and female body Relate the menstrual cycle of the female to the ability to get pregnant or reproduce its own kind Describe the menstrual cycle Identify health habits to follow to keep the reproductive organs healthy Identify the respiratory system and its major parts Explain the organs that work together to accomplish this process Identify common ailments affecting the respiratory system Describe proper ways of caring for the respiratory system Demonstrate ways of caring for the persons affected by common ailments of respiratory system Identify the urinary system and its major parts Explain the role of the urinary system in cleansing the blood of wastes Describe some common ailments of the urinary system Identify other excretory organs Describe how animals get/eat their food Describe the appearance of the mouth parts Infer how some animals adapt to a particular environment Describe how animals adapt for protection, food gathering effectiveness, survival Tell the groupings of animals with backbone and without backbone Describe the animal belonging to each group Identify characteristics to classify invertebrates Describe coral reefs Identify the importance of coral reefs. Identify the factors contributing to the destruction of coral reefs Predict what will happen when coral reefs are destroyed Identify ways of saving coral reefs Classify animals according to the food they eat TOTAL | 1 2 3 31 – 34 4 5 6 7 8 , 35 9 - 10 11 – 12 13 14 15 16 17 18 19 20 21 - 22 23 36, 40 37 24 – 25 26 27 28 29 32 38 -39 40 | 1 1 1 4 1 1 1 1 2 2 2 1 1 1 1 2 1 1 1 1 1 2 1 2 1 1 1 1 1 2 40 | 2.5% 2.5% 2.5% 10% 2.5% 2.5% 2.5% 2.5% 5% 5% 5% 2.5% 2.5% 2.5% 2.5% 5% 2.5% 2.5% 2.5% 2.5% 2.5% 5% 2.5% 5% 2.5% 2.5% 2.5% 2.5% 2.5% 5% 100% |