INTEGRATED SCIENCE- BECE PASCO

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1. Plants are different from animals because they *

1 point

A. have protoplasm

B. have chlorophyll

C. are able to respire

D. are able to reproduce sexually

2. Which of the following conditions is not required for a current to flow through an electric circuit? *

1 point

A. The circuit should be closed

B. A battery must be present

C. There must be connecting wires

D. A bulb must be connected in the circuit

3. Which of the following examples is not a source of energy? *

1 point

A. Electricity

B. Heat

C. Light

D. Wood

4. Heat is transferred from the bottom of water in a container to the top by *

1 point

A. conduction

B. convection

C. radiation

D. conduction and radiation

5. A mercury thermometer works on the principle that *

1 point

A. solids expand on heating and contract on cooling

B. liquids expand on heating and contract on cooling

C. gases expand on heating and contract on cooling

D. liquids evaporate when heated to a certain temperature.

6. In which of the positions Q, R, S, T in the diagram below will a body have the greatest potential energy? *

1 point

A. Q

B. R

C. S

D. T

7. A solar cell produces electrical energy from *

1 point

A. electromagnets

B. heat

C. light

D. sound

8. In a third-class lever the *

1 point

A. pivot is between the load and effort

B. pivot is absent

C. load is between the effort and pivot

D. effort is between the load and pivot

9. At which positions S, R, Q and P on the lever in the diagram below must a force be applied to lift the load most easily? *

1 point

A. P

B. Q

C. R

D. S

10. Which of the following machines works on the same principle as an inclined plane? *

1 point

A. Bottle opener

B. Wheelbarrow

C. See-saw

D. Screw

11. Power is defined as the *

1 point

A. ability to do work

B. force to move an object

C. rate of doing work

D. ability to replace energy used

12. Which of the following food substances is not involved in respiration? *

1 point

A. Amino acids

B. Fatty acids

C. Glucose

D. Vitamins

13. Which of the following organisms is at the beginning of a food chain? *

1 point

A. Fish

B. Grass

C. Locust

D. Mosquito

14. The human male sex cell that takes part in reproduction is the *

1 point

A. penis

B. scrotum

C. sperm

D. testis

15. The removal of waste products from the cells of organisms is called *

1 point

A. assimilation

B. circulation

C. exhalation

D. excretion

16. The central nervous system consists of the *

1 point

A. spinal cord and spine

B. brain and the nerves

C. brain and the spinal cord

D. skeletal system and skull

17. Which of the following life processes is not performed by all living things? *

1 point

A. Excretion

B. Photosynthesis

C. Reproduction

D. Respiration

18. All veins in the body carry blood that does not contain oxygen with the exception of the veins from the *

1 point

A. heart

B. kidneys

C. lungs

D. liver

19. The method of purification of water containing very little impurities is *

1 point

A. boiling

B. chlorination

C. distillation

D. filtration

20. Boiling and chlorination are used in water purification to *

1 point

A. kill germs

B. help suspended particles to settle

C. remove suspended particles

D. remove hardness of the water

21. The chemical symbol C is the symbol for *

1 point

A. calcium

B. chlorine

C. carbon

D. sodium

22. A substance which is made up of the same kind of atoms is called *

1 point

A. a compound

B. a mixture

C. an element

D. an ion

23. Which of the following processes results in the formation of new substances? *

1 point

A. Heating camphor

B. Cooling water to form ice

C. Adding saliva to cooked yam

D. Mixing iron dust and sand together

24. When elements combine to form a compound the *

1 point

A. constituents can be separated by a physical process

B. volume of the compound is the sum of the volumes of the constituents

C. reaction does not involve a heat change

D. reaction can be represented by a chemical formula

25. Which of the following organisms is likely to increase the oxygen content of the water in a pond? *

1 point

A. Fish

B. Tadpole

C. Mosquito larva

D. Water lily

26. Which of the following parasites is a plant? *

1 point

A. Bilharzia

B. Dodder

C. Lice

D. Tapeworm

27. The part of the soil that is most important for the growth of plants is *

1 point

A. clay

B. humus

C. sand

D. silt

28. Which of the following diseases may be associated with water? *

1 point

A. chicken pox

B. cholera

C. small pox

D. tetanus

29. The mosquito and housefly are harmful in that they *

1 point

A. suck blood

B. bite and cause pain

C. settle on food

D. spread diseases

30. Which of the following diseases affects the central nervous system? *

1 point

A. Cerebro Spinal Meningitis (CSM)

B. Poliomyelitis

C. Measles

D. Yellow Fever

31. Day and night occur because the earth *

1 point

A. moves round the sun

B. moves from east to west

C. moves round the moon

D. rotates on its axis

32. Bronze is an alloy of *

1 point

A. iron and carbon

B. zinc and copper

C. iron and zinc

D. copper and tin

33. Which of the following substances causes acid rain when released into the atmosphere? *

1 point

A. Carbon dioxide

B. Water vapour

C. Sulphur dioxide

D. cement dust

34. Which of the following gases helps in rusting? *

1 point

A. Carbon dioxide

B. Hydrogen

C. Oxygen

D. Nitrogen

35. The force of attraction between molecules of different substances is called *

1 point

A. adhesion

B. cohesion

C. tension

D. viscosity

36. A metal block has a mass of 0.1 kg. Calculate its volume if the density is 1.0 kgm-3. *

1 point

A. 0.01 m3

B. 0.10 m3

C. 1.00 m3

D. 10.00 m3

37. The food manufactured by a plant is distributed to all parts of the plant through the *

1 point

A. chlorophyll

B. phloem

C. stomata

D. Xylem

38. Some insects are able to walk on water because *

1 point

A. they are lighter than water

B. their skins cannot be penetrated by water

C. the surface of the water acts like an elastic skin

D. the surface of water is curved

39. Oxygen is made available to all cells of the human body by the *

1 point

A. plasma

B. platelets

C. white blood cells

D. red blood cells

40. The force which pulls all objects towards the centre of the earth is the *

1 point

A. frictional force

B. electrostatic force

C. gravitational force

D. rotational force

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