BECEzone

THE WEST AFRICAN EXAMINATIONS COUNCIL
GHANA

Basic Education Certificate Examination

SCIENCE 2005

Objective Test

Question 1

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





Question 2

A metal expands when there is





Question 3

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





Question 4

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





Question 5

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





Question 6

The source of all forms of energy can be traced to





Question 7

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





Question 8

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





Question 9

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





The diagram below shows a lever system used to move a stone. Use it to answer Questions 10 and 11

Question 10

The distance X is the





Question 11

Less effort is required to move the stone when the





Question 12

An omnivore is an animal that feeds on





Question 13

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





Question 14

The disease associated with insufficient intake of proteins in children is





Question 15

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





Question 16

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





Question 17

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





Question 18

Which of the following life processes is represented by the equation below?

Glucose + Oxygen → Water + Carbon dioxide + Energy





Question 19

Chlorine gas is passed through water during purification to





Question 20

Arrange the following sources of water in the order of increasing contamination:

I. Rain
II. Stream
III. Well
IV. Borehole





Question 21

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





Question 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 cooling. This shows that sugar





Question 23

Water is sometimes referred to as a universal solvent because it





Question 24

The charge of sulphur in the compound SO2 is





Question 25

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





Question 26

Plants do not grow well in gravel because the





Question 27

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





Question 28

The carrier of the malaria parasite is the





Question 29

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





Question 30

The humidity of the atmosphere is measured with





Question 31

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





Question 32

Steel is an example of a





Question 33

Which of the following elements is a metal?





Question 34

Metals that are usually used to make ornaments have low





Question 35

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





Question 36

The function of blood platelets is to





Question 37

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





Question 38

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





Question 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.





Question 40

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





Theory