Ghana BECE 2017 INTEGRATED SCIENCE PAST QUESTIONS AND ANSWERS

1) The instrument used to measure relative humidity is the

2) The S.I. unit for density is

3) When light travels from glass to air, its speed is

4) When a piece of iron rod is brought near a permanent magnet for a while it becomes magnetised by

5) A rheostat is used in an electric circuit in order to

6) Which of the following statements about an opaque object is correct? An opaque object

7) One of the characteristics of a solid is that

8) The instrument used to measure current in an electric circuit is the

10) An example of a source of energy which is non-renewable is

11) Which of the following apparatus is not required in the process of distillation in the laboratory?

12) The number of oxygen atoms present in three molecules of carbon dioxide is

13) The chemical formula Cl₂ represents two

14) Which of the following substances can rust?

15) Energy stored in food is referred to as

16) Which of the following substances is a mixture?

17) The mole is the S.I. unit of

18) An atom has a proton number of 17 and neutron number 18. Determine the number of electrons in the third shell of the atom.

19) An example of mixtures that can be separated by the method of filtration is

20) Which of the following liquid would turn blue litmus paper red?

Which of the following particles constitute matter?
I. Atoms
II. Molecules
III. Ions

22) An example of inheritable characteristics in humans is

23) Which of the following statements about aerobic respiration is correct?

24) Sperms produced by the testes in humans are temporarily stored in the

25) Which of the following changes normally occur during old age in humans?

26) One of the characteristics of wind pollinated flowers is that they

27) The testes are normally located outside the body of the male because

28) The organelle which occupies the largest portion of a plant cell is the

30) Fertilisation in humans usually occurs in the

31) Which of the following processes is an example of osmosis?

32) The part of a living cell which is semi-permeable is

Which of the following statements about soil profile is/are 33) correct? It helps the farmer to determine.
I. soil fertility.
II. water-holding capacity of the soil.
III. depth of the soil.

34) Which of the following practices is not a principle of crop rotation?

35) The relative proportion of sand, silt and clay in a given sample of soil is soil

36) The first factor to be considered when deciding to cultivate a particular vegetable is

Which of the following factors should be considered when selecting a site for vegetable crop production?
I. Nearness to the market
II. Topography of the land
III. Nearness to the sea

Which of the following activities are cultural practices in the cultivation of cabbage?
I. Pruning
II. Weeding
III. Watering

39) An example of a vegetable crop is

40) The majority charge carriers in a p-type conductor are