Ghana BECE 2001 INTEGRATED SCIENCE PAST QUESTIONS AND ANSWERS

1) Which of the following diseases is contracted through infected wounds?

2) The main pollutant from domestic fires is

3) Plantain is propagated vegetatively by

4) Which of the following gases supports combustion?

5) The main function of petals in a flower is to

6) The organ in the human body which is responsible for the removal of urea is the

7) The sun and the planets form the

8) The bilharzia worm can enter the human body through the

9) Brass is an alloy of copper and

Which of the parts labelled represents the pivot?

11)

The effort is represented by

Which of the following parts of the human body are sense organs?
I. Tongue
II. Hair
III. Nose
IV. Skin

13) The function of the cotyledon is to

14) Which of the following substances are components of a fertile soil?

Which of the following appliances transform(s) electrical energy to heat energy?
I. Swish oven
II. Hair drier
III. Refrigerator motor

16) A ray of light makes an angle of 20° with the surface of a plane mirror. Determine the angle of reflection.

17) Seasonal changes are the result of the

18) Crystals of sugar were obtained when a hot solution of sugar was cooled to room temperature. What conclusion can be drawn from this observation?

Which of the following processes about all living things is/are 19) true?
I. Reproduction
II. Respiration
III. Locomotion
IV. Excretion

21) The density of a substance is 2.5 gcm⁻³. Calculate the volume of the substance if its mass is 25.0 g.

22) The food substance that promotes good health is

23) The energy that causes the turbine of hydro-electric plant to rotate is

24) Which of the following pairs of organs are part of the central nervous system?

Plants manufacture their food using
I. carbon dioxide
II. oxygen
III. light
IV. chlorophyll

26) Which of the following crops improves soil fertility when cultivated continuously on the same piece of land?

27) It is necessary to keep household refuse in covered containers in order to prevent

28) The fraction of the earth’s surface that faces the sun at any particular time is

29) Which of the following is a micro-organism?

Which of the following statements about machines is/are correct?
I. Machines help us to do work more easily.
II. A force applied at one point of the machine overcomes a load at another point of the machine
III. All machines have engines

31) The female part of a flower is called the

32) Which of the following substances is a compound?

33) A solution in which no more solute will dissolve at a particular temperature is said to be

35) When oil and water are shaken together they form a mixture called

36) The organism which lives in the human blood as a parasite is

37) The fusion of an egg cell with sperm forms

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

39) The atom of an element has 4 protons and 5 neutrons in its nucleus. How many shells are occupied in the atom?

40) The gaps left between railway lines is to allow for