1. In which part does an embryo or
unborn fetus develop?
A. I C.
III
B. II D.
IV
2. If an ovary produces egg cells, what
produces the sperm cells?
A. Testes
B. Scrotum
C. Epididymis
D. Vas deferens
3. Which part and its function in the
female reproductive system is similar to that of vas deferens in the male
reproductive system?
A. Ovaries, that releases eggs.
B. Fallopian tube, that serve as
pathways of egg cells.
C. Uterus , where implantation of the
new embryo takes place.
D. Vagina, that provides an opening
through which the sperms can enter the female’s body.
4. Which reproductive organ produces the
sperm cell?
A. Testis
B. Uterus
C. Ovary
D. Epididymis
5. Which reproductive organ produces the
hormone that develops the secondary sex characteristics in human females?
A. Uterus
B. Testis
C. Prostate glands
D. Ovary
6. Animal have adaptations that help
them to survive. One example is their own coloring of frogs’ skin. What purpose
does this adaptation serve?
A. For getting food
B. For attracting a mate
C. For protection from heat
D. For protection from predators
7. How do grasshoppers protect
themselves from their enemies?
A. They have color blends with the
surrounding.
B. They have sharp teeth to bite their
enemies.
C. They have strong hind legs to drive
away their enemies.
D. They have ears that easily detect
movement of their enemies.
8. Which of the following animal
characteristics is NOT mimicry?
A. Frogs can change their colors.
B. Turtles hide inside their hard
shells.
C. Walking stick blends with twigs and
under bush.
D. Sphinx moth resembles its wooden
resting place.
9. What do snakes and mudfish do when they
hibernate?
A. They sleep for a long time.
B. They develop hard body coverings.
C. They change their protective
coverings.
D. They migrate or transfer to other
places.
10. How do ants, monkeys, and elephants
protect themselves from enemies?
A. They change to a color that blends
with the surroundings
B. They produce loud cries to scare away
their enemies
C. They develop strong legs for running.
D. They group themselves
11. Why can a cactus plant survive in a
desert?
A. It has a large stem that stores
water.
B. It has hairy-like structures in the
stem.
C. It has roots that store water under
the ground.
D. It has no leaves and does not bear
any flower.
12. Rice, corn, sugar cane, and cogon
grass have one common characteristics. Which is it?
A. They are all shrub plants.
B. They reproduce sexually.
C. They have similar venation.
D. They are fruit bearing plants.
13. How do ants and termites protect
themselves from enemies?
A. They live in colonies.
B. They hide underground.
C. They change their color.
D. They have poisonous fangs.
14.
Which statement about the plants
shown above is NOT true?
A. All have chlorophyll
B. All have vascular tissues
C. All have reproductive structures
D. All manufacture their own foods.
15. Which of the following plants bears
seeds?
A. Fern
B. Moss
C. Algae
D. Pine tree
16. The
illustration below is the human urinary system.
Which part
do liquid waste pass through from its formation to its elimination from the
body?
A.
I,
II, III, and IV
B.
I,
II, III, and V
C.
I,
III, IV, and V
D.
II,
III, IV and V
17.
What
is the function of the kidney?
A. It stores urine.
B. It carries urine out of the body.
C. It removes waste from the blood.
D. It gives signal to the brain to expel
the urine from the body.
18. What happens if the urethra is
removed from the excretory system?
A. Amount of salt, minerals and vitamins
in the blood will be regulated.
B. Urine will continue flowing.
C. Urine will not be formed.
D. Blood cannot be filtered.
19. Which of the following are true about
the kidneys?
I.
Take
nutrient from food and convert them to energy
II. Remove liquid waste from the blood in
the form of urine
III. Keep stable balance of salt and other
substance in the blood
IV. Alert a person when it is time to
urinate
A.
I
and II
B.
II
and III
C.
III
and IV
D.
II
and Iv
20.
Which
of the following vertebrates are mammals?
A. Bat, cow, and goat
B. Eagle, turkey, and owl
C. Turtle, crocodile, and snake
D. Frog, toad, and salamander
21.
Which
group of vertebrates can be classified as reptiles?
A. Turtle, oyster, ostrich, and milkfish
B. Iguana, alligators, shrimps, and whale
C. Alligator dove, snake, and salamander
D. Lizards, snakes, turtles, and
crocodiles
22. Which of the following lists are all
reptiles?
A. Dolphin, goat, monkey, pig
B. Salamander, frog, toad
C. Turtle, crocodile, snake
D. Tilapia, mudfish
23. Which group of animals consists of a reptile,
a fish, and an amphibian, respectively?
A. Turtle, whale, bat
B. Crocodile, shark, frog
C. Snake, dolphin, alligator
D. Scorpion, starfish, shrimps
24. Which special characteristics of the
egret (tagak) a wetland bird, are used to hunt for food?
I. Long, thin legs with webbed feet
II. Light, thin body with large wings
III. Long, pointed, and sharp beak
IV. White, glossy, and waterproof
feathers
A. I and II
B. I and III
C. I and IV
D. II and IV
25. Which special characteristics allow
the frog to escape from its enemies?
I. Long, elastic, and sticky tongue
II. Short forearms and long hind legs
III. Loud voice
IV. Slimy skin
A. I and II
B. I and III
C. I and IV
D. II and IV
26. To which group does the dolphin
belong?
A. Amphibians
B. Mammals
C. Reptiles
D. Fish
27.
What
characteristics of ampalaya plants protect them from their enemies?
A. They emit foul odor.
B. They have bitter taste.
C. They usually climb upward.
D. They grow thorns on their stems.
28.
What
special structure do bougainvilleas have that made people plant them along
their fence?
A. They have hooks.
B. They have sticky juice.
C. They have pleasant smell.
D. They have sharp thorns.
29. Gymnosperm plants are cone-bearing.
Which plant is an example of Gymnosperm?
30. What characteristics do mango,
papaya, and guava plants have in common?
A. They produce cone.
B. They produce spores.
C. They are flowering plants.
D. They are non-flowering plants.
31. Which of the following drawings shows
chemical change in a material?
32. Rowena hang the wet clothes outside
the house. After eight hours, the clothes driep up. What changes took place
with the drying of the clothes?
A. Chemical change
B. Physical change
C. Physical and chemical change
D. None of the above
27. which of the following situations
shows chemical change?
A.
the melting wax.
B.
the boiling water.
c.
the cut pieces of cloth
D.
the burning wick of a candle
28. which
of the following activities results in a physical change?
A.
molding clay
B.
baking bread
C.
Digesting food
D.
Roasting chicken
29.
which of the following is a result of a chemical change?
A. frozen water
B. Broken glass
C. chopped wood
D. Tarnished silverware
30.Which
process in the cycle turns water to water vapour with the aid of sunlight?
A.
Evaporation
B.
Precipitation
C.
Condensation
D.
Cloud
formation
31. Which of the following changes
happens during precipitation process?
A. Formation of water vapour from bodies
of water.
B. Formation of water vapour from
clouds.
C. Formation of clouds from water
vapour.
D. Formation of rain from clouds
32. During which process is oxygen given
off by plants?
A. Transpiration
B. Photosynthesis
C. Respiration
D. Evaporation
33. Which is the most distinct
characteristics of Jupiter?
A. It has a large spot.
B. It has a colourful ring.
C. It is the largest planet.
D. It is the smallest planet.
34.
I.
Eliminates solid and liquid wastes from the body.
II. Receives, conducts,
integrates, and interprets impulses.
III. Transport blood,
water, and nutrients to all parts of the body.
IV. Converts chemical
energy in nutrients into body heat.
V. Takes oxygen from the
air and release carbon dioxide from the body.
Which is the function of
the circulatory system?
A. I
B. V C. III D. IV
35. Which is the function of the nervous
system?
A. IV
B. II C. V D. III
36. What is the function of the nervous
system?
A. It controls all body activities
B. It removes liquid waste materials.
C. It transport blood and nutrients to
all parts of the body.
D. It carries oxygen to the cells and
removes carbon dioxide from the body.
37. Which arrow diagram shows the correct
path of the flow of blood around the body?
A. Veins – lungs – heart – arteries –
capillaries
B. Veins – heart – capillaries – lungs –
arteries – capillaries
C. Veins – arteries – heart –
capillaries – heart – lungs – artery
D. Veins – heart – pulmonary – artery –
lungs – heart – artery – capillaries
38. What is the function of the
capillaries?
A. They carry blood away from the heart
B. They transport blood from the lungs
back to the heart
C. They carry oxygen and nutrient to the
cells
D. They transport the blood containing
carbon dioxide from the heart to the lungs.
39. Which part of the circulatory system
pumps blood throughout the body?
A. Lungs
B. Heart
C. Stomach
D. Diaphragm
40. Which statement below best describes
the interdependence of plants and animals through the oxygen-carbon dioxide
cycle?
A. Animals need oxygen from the plant
for respiration while plants need carbon dioxide given off by animals for
photosynthesis.
B. Animals need carbon dioxide from the
plants for respiration while plants need oxygen given off by animals for
photosynthesis.
C. Animals can make food through the
oxygen taken from the plants make use of carbon dioxide given off by animals
for transpiration.
D. Animals need plants for growth while
plants need animals for protection.
41. What happens during breathing?
A. The chest rises, the diaphragm curves
upward, air rushed out. The chest moves downward, the diaphragm flattens, air
rushed in.
B. The chest rises, the diaphragm, air
rushed in. the chest move downward, the diaphragm flattens, air rushes out.
C. The chest rises, the diaphragm
flattens, flattens, air rushes out, the diaphragm curves upward, air rushes in.
D. The chest rises, the diaphragm
flattens, air rushes in. the chest moves downward, diaphragm curves upward, air
rushes out.
42. Which of the arrows describes the
path of inhaled air?
A. Nose – trachea – Bronchi
B. Nose – Trachea – Air sacs – diaphragm
C. Nose – Pharynx – Trachea – Bronchi –
Air Sacs
D. Nose – Pharynx – Trachea – Bronchi
–Air Sacs – Diaphragm
43. Which illustration shows the major
parts of the nervous system?
44. Which statement about the plants in
the oxygen-carbon dioxide cycle is TRUE?
A. Plants give off carbon dioxide used
by animals.
B. Plants give off oxygen used by
animals in breathing.
C. Plants need oxygen to make starch
during photosynthesis.
D. Plants need carbon dioxide from the
sun to manufacture food.
45. If the population in a small
community increases, which will likely happen?
A. Space for shelter will be limited.
B. Disposal of wastes will be improved.
C. Supply of food will be more than
enough.
46. Which likely to happen in a small
community with limited land area as more and more families move to settle
there?
A. Families will enjoy spacious and big
houses.
B. Surrounding areas will be cleaner and
greener
C. Agricultural land will be converted
to residential lots.
D. Demand for food will be lesser.
47. Why is kaingin system a bad practice?
A. It pollutes rivers and seas.
B. It pollutes mountains and forests.
C. It deprives hunters of many wild
animals
D. It clears the land of trees which
prevents flood.
48. Many farm and forestland are
converted into housing areas. If more lands are used for residential purposes,
how would this affect the environment?
A. Reduced habitat of wild plants and
animals
B. Improved health and sanitation
C. Decreased garbage problems
D. More production of food
49. When salt is coated on the fresh
fish, what is its effect on the fish?
A. Salt prevents the growth of bacteria.
B. Salt allows microorganism to grow.
C. Salt draws water from the fish.
D. Salt spoils the fish
50. Many farmers use commercial
fertilizers to increase their crop production. If this practice continues for a
longer period, what could be its effect?
A. The soil will be more fertile.
B. The groundwater will be polluted.
C. Plants will be immune from diseases.
D. Useful soil microorganism will grow
abundantly.
51. What causes a rubber ball that rolls
on a smooth floor to slow down and then stop?
A. The force that made the ball roll is
not large enough to make it continue rolling.
B. The friction between the ball and the
floor prevents the ball to continue rolling
C. The force that started the ball
rolling does not act on the ball anymore.
D. The wax and dirt on the floor stick
on the ball.
52. Two unknown stars are observed from a
distance. One is blue and the other is red. What does the blue color tell us?
A. The blue star is smaller than the red
star.
B. The blue star is cooler than the red
star.
C. The blue star is bigger than the red
star.
D. The blue star is hotter than the red
star.
53. Which part of the brain controls
reflex actions such as sneezing and eye blinking?
A. Cerebrum
B. Cerebellum
C. Temporal lobe
D. Medulla Oblongata
54. Which part of the brain controls the
muscular coordination of the body?
A. Cerebrum
B. Brain stem
C. Cerebellum
D. Hypothalamus
55. Which part of the brain controls
mental processes like thinking, memorizing, and decision making?
A. Cerebrum
B. Cerebellum
C. Brain stem
D. Hypothalamus
56. In what ways does the nervous system
functions as a two-way communication system in the body?
A. The brain receives messages through
sensory nerves, and sends out messages through motor nerves.
B. It has brain that consists of two hemisphere:
the left and the right hemisphere.
C. The spinal cord contains bodies of
nerve cells where messages to the brain pass through
D. It has two vital organs: the brain
and the spinal cord.
57. Which part is not involved in the
systemic circulation of blood?
A.
Lungs
B.
Heart
C.
Aorta
D.
Veins
58. In which blood vessels does the blood
transfer food substance and oxygen to the cells, and remove carbon dioxide and
other wastes?
A. In the veins
B. In the arteries
C. In the venules
D. In the capillaries
59. Which part of the human circulatory
system brings blood to all parts of the body?
A. Veins
B. Venules
C. Arteries
D. Superior vena cava
60. While sitting on a wooden chair, you
push a heavy table, and your chair moves backward. Which statement explain
this?
A. Objects in motion tend to remain in motion.
B. Objects at rest tend to remain at
rest
C. For every action, there is an equal
and opposite reaction.
D. Balanced forces acting on an object
do not make the object move.
61. What factor causes the motion of the
car to slow down as it is moving up the slope of a mountain?
A. The gravity of the Earth that pulls
the car down the slope.
B. The force of the car that decreases
as it goes up the slope.
C. The weight of the car that increases
as it moves up a mountain.
D. The frictional force between the road
and the wheels of the car that decreases as it moves up a mountain.
62. What factor causes the Philippines to
have tropical climate where humidity and temperature are high?
A. Its location from the equator
B. Its surroundings big oceans
C. Its mountainous region
D. Its great land mass
63. Which factor causes different climate
conditions on the different countries of the world as polar temperate, and
tropical?
A. The height of the place from the sea
level
B. The distance of the place from the
equator.
C. The distance of the region on the
sea.
D. The amount of the heat the place
receives from the sun.
64. The following statements explain the
Big Bang Theory EXCEPT:
A. All matter in the galaxies were once
packed into one big ball.
B. The stars moved so far that they
could not be seen anymore
C. The universe expanded and would soon
expand over again
D. The stars came from the materials
that exploded and thrown outward and moved farther away from each other.
65. What would happen to the universe in
the future according to the Big Bang Theory?
A. New galaxies will form.
B. The universe will come to an end.
C. Galaxies will continue moving away
from each other.
D. Galaxies will move toward each other
then form a single galaxy.
66. Salt gives taste to our food. But
eating too much salty food could cause
A. Obesity
B. Diabetes
C. Blood clothing
D. Kidney stone
67. Which of the following additives
enhances the flavour of cooked food but may cause headache and nausea in people
sensitive to it?
A. Sodium benzoate
B. Vetsin or MSG
C. Citric acid
D. Salt
68. An additive that is mixed with flour
in making pandesal was found to cause cancer. What is this additive?
A. Sodium nitrate
B. Bromated
C. Vetsin
D. Sugar
69. What energy do children get from
eating mangoes and bananas?
A. Light energy
B. Thermal energy
C. Chemical energy
D. Mechanical energy
70. What form of energy is produced by a guitar
string that is plucked?
A. Sound
B. Thermal
C. Electrical
D. Mechanical
71. What form of energy is produced when
an electric fan is in use?
A. Radiant
B. Electrical
C. Chemical
D. Mechanical
72. What force keeps our feet from
sliding when we are running or walking?
A. Gravitational force
B. Centripetal force
C. Friction
D. Inertia
73. What force causes a ball that is
rolling on the floor to slow down and stop?
A. Inertia
B. Gravity
C. Friction
D. Weight
74. A large fruit falls from a tree. What
makes it move faster and faster as it approaches the ground?
A. Inertia
B. Force of gravity
C. Force of the wind
D. Distance from the ground
75. Annie goes mountain climbing. What is
she likely to observe as she approaches the top of the mountain?
A. The temperature becomes warmer.
B. The temperature becomes cooler
C. The wind becomes stronger
D. The wind becomes weaker.
76. In the areas reached by the slanting
rays of the sun, what climate is experienced?
A. Temperature
B. Warm
C. Dry
D. Cold
77. Which part of the Earth would have a
very warm climate?
A. At the equator
B. At the North pole
C. At the South Pole
D. Between the equator and the North or
South Pole
78. Which are gaseous planets?
A. Venus and Earth
B. Mercury and Mars
C. Jupiter and Saturn
D. Uranus and Neptune
79. According to the Big bang Theory.
What would happen to the universe in the future?
A. New galaxies will form
B. The universe will come to an end
C. Galaxies will continue moving away
from each other
D. Galaxies will move toward each other
then form a single galaxy .
80. Which of the following plants is
different from the rest?
A. Banana
B. Coconut
C. Mango
D. Pine
81. Which is an example of chemical
change?
A. Drying of fish
B. Melting of ice
C. Cutting of paper
D. Decaying of tooth
82. Which of the following is NOT a
chemical change?
A. Washed clothes drying up
B. Vitamins c tablet turning brown
C. Green Mango turning yellow
D. Milk turning sour
83. Which is the most distinct
characteristics of planet Jupiter?
A. It has a large spot
B. It has colourful ring
C. It is the largest planet
D. It is the smallest planet
84. Which are distinct characteristics of
Earth?
I. Almost round
II. Goes around the sun
III. Atmosphere support life
IV. Presence of water
A. I and II
B. I and III
C. II and IV
D. III and IV
85. For communicating visual signals to
the brain, which of the following nerves responsible?
A. Optic
B. Auditory
C. Olfactory
D. Gustatory
86. Which form of energy comes from hot springs
and volcanoes?
A. Light
B. Sound
C. Thermal
D. Mechanical
