The wall of the left ventricle is thicker than that of the right ventricle because:

A salt that is anhydrous contains no:

The common name for ascorbic acid is:

When metals react with acids they give a salt and:

A man and woman plan to start a family. Which of the following is likely to be LEAST important to them?

During adolescence, boys:

Which of the following statements about aerobic respiration is correct?

A cell in an embryo divides by mitosis three times in succession. How many cells will be formed from these divisions?

The point where two neurones connect is called:

Which of the following characteristics MUST ALL formal groups possess?

1. Membership requirements
2. Code of conduct
3. Specific objectives
4. Elected leaders

Boiling and evaporation both involve a liquid turning into a vapour (i.e. a gas).The following statements relate to water.Which one is NOT true?

In the circle above, the circumference is 10 cm. The length of the arc AB, in centimetres, is

The main metal in tin cans used to preserve food is:

The introduction of machines in agriculture results in the unemployment or farm workers.

The type of unemployment these workers suffer is

The marked price of a stove was $520. A worker bought the stove on hire-purchase by making a down payment of $100, and twelve monthly payments of $40 each.
How much could she have saved if she had bought the stove for the marked price?

Breathing in fish involves which two processes?

Which of the following accounts should prepared as the final account for non-trading organization?

Cells become specialised to carry out different roles.This process is called:

Water is lost from the body in:

Which one of the following is NOT an inherited disorder?