Ghana BECE 2008 INTEGRATED SCIENCE PAST QUESTIONS AND ANSWERS

1) A metre rule can be used for measuring the

2) Heat travels through vacuum by

3) A mirror is used to direct sunlight onto the wall of a classroom by

4) Which of the following energy changes takes place in ringing bell?

5) A fuse is connected in an electric circuit to

6) Which of these objects is a magnetic substance?

Which of the following bodies are natural sources of light?
I. Moon
II. Sun
III. Firefly

8) Which of the following statements describes the nature of light?

9) Metals are able to conduct electricity because they possess

10) Beriberi is caused be deficiency of vitamin

11) Which of the following fruits is adapted for dispersal by air?

12) The food substance needed for growth and repair of tissues is

13) The type of teeth used for biting and cutting are the

14) Water is absorbed by roots in plants and transported to the leaves through the

15) The outer ear consists of the

16) Changes in pressure in the middle ear is regulated by the

17) The amount of light that enters the eye is reduced by the size of the

18) In humans, features of parents are passed on to offspring through

19) The taste of water changes when it is boiled because

Arrange the following types of water in order of 20) increasing hardness.
I. Tap water
II. Sea water
lIl. Distilled water
IV. Rain water

21) Which of these methods is used to separate insoluble solids from liquids?

22) Which of the following liquids cannot dissolve an oil paint?

23) A uniform mixture of two or more metals is called

24) An atom which contains more electrons than protons becomes a

25) The following substances are mixtures except

26) The fish is protected from injury by the

27) Which of the following substances is an air pollutant?

28) Bathing in lakes and slow moving streams can lead to one getting

29) Some plants shed their leaves during the dry season to prevent

30) Caterpillar is an example of

31) How long does it take the moon to go completely round the earth?

32) An unripe orange is said to be acidic because it

33) The chemical symbol of potassium is

34) The property of a metal that makes it possible for it to be drawn into a wire is called

Which of the following methods of preserving food make use of heat energy?
I. Drying
II. Frying
III. Salting
IV. Canning

36) Weight is an example of

37) Blood is prevented from flowing back into the veins by the

39) Soluble digested food substances enter the blood of the human body by a process called

40) Capillary action is applied in the following activities except