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Saturday, March 8, 2014

The illustration below is the female reproductive system.






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