Ghana BECE 2005 INTEGRATED SCIENCE PAST QUESTIONS AND ANSWERS

1) Hydrogen is represented by the chemical symbol H₂. This symbol represents.

2) A metal expands when there is

3) A safety device which opens an electric circuit to prevent too much current from passing through the circuit is the

4) An object is placed 20 cm in front of a plane mirror. The distance between the object and the image is

5) In which of the following circuit diagrams below will the bulb light?

6) The source of all forms of energy can be traced to

7) When a mango is falling from a tree, its potential energy is changed to

8) Electricity is used by appliances to do work. This means that electricity is a form of

9) A force of 2 N moves a body through a distance of 10 m. Calculate the work done.

10)

The distance X is the

11)

Less effort is required to move the stone when the

12) An omnivore is an animal that feeds on

13) A meal containing all the essential nutrients in the right amounts is said to be

14) The disease associated with insufficient intake of proteins in children is

15) When testing for proteins in a food substance using Fehling’s solution, the expected colour change is

16) The substance that enables green plants to trap sunlight for the manufacture of food is

17) In man, the conversion of poisonous substances into harmless forms takes place in the

Which of the following life processes is represented by the equation below?
Glucose + Oxygen → Water + Carbon dioxide + Energy

19) Chlorine gas is passed through water during purification to

Arrange the following sources of water in the order of increasing contamination.
Rain
Stream
Well
Borehole

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

22) A clear solution of sugar was cooled from 100 °C to 25 °C. Some solid sugar was seen to have formed out of the solution after the cooling. This shows that sugar

23) Water is sometimes referred to as a universal solvent because it

24) The charge of sulphur in the compound SO₂ is

25) The part of the soil that supports plant growth is that part which

26) Plants do not grow well in gravel because the

27) Which of the following parasites lives in the blood of humans?

28) The carrier of the malaria parasite is the

29) Which of the following practices is a method of controlling guinea worm disease?

30) The humidity of the atmosphere is measured with

31) How long does it take the moon to move completely around the earth?

32) Steel is an example of a

33) Which of the following elements is a metal?

34) Metals that are usually used to make ornaments have low

35) The food processing method in which germs are prevented from multiplying by applying a low temperature is

36) The function of blood platelets is to

37) A fish is able to swim with little resistance in water because it has

38) When a person jumps up, he/she is able to come down because of the

39) A metal displaces 5.0 cm³ of water when completely immersed in water. If the mass of the metal is 35.0 g, calculate its density

40) Oxygen from the air is able to get into the blood by