Ghana BECE 2009 INTEGRATED SCIENCE PAST QUESTIONS AND ANSWERS

1) Plants are different from animals because they

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

3) Which of the following examples is a source of energy?

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

5) A mercury thermometer works on the principle that

6)

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

7) A solar cell produces electrical energy from

8) In a third class lever the

9)

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

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

11) Power is defined as the

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

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

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

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

16) The central nervous system consists of the

17) Which of the following life process is not performed by living things?

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

19) The method of purification of water that producers water containing very little impurities is

20) Boiling and chlorination are used in water purification to

21) The chemical symbol C is the symbol for

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

23) Which of the following processes results in the formation of a new substances?

24) When elements combine to form a compound the

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

26) Which of the following parasites is a plant?

27) The part of soil that is most important for the growth of plant is

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

29) The mosquito and house fly are harmful that they

30) Which of the following diseases affect the central nervous system?

31) Day and night occur because the earth

32) Bronze is an alloy of

33) Which of the substances causes acid rain when released into the atmosphere?

34) Which of the following gases helps in rusting?

35) The force of attraction between molecules of different substances is called

36) A metal block has a mass of 0.1 kg. Calculate its volume if the density is 1.0 kg m⁻³.

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

38) Some insects are able to walk on water because

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

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