We lose water mainly in:

If the relative atomic mass (RAM) = 1 for hydrogen and 16 for oxygen, the formula mass for H₂O₂ is:

Which one of the following statements about light passing down an optical glass fibre is NOT true?

The chemicals that make up the bodies of animals and plants are called:

Automated directory assistance services utilize __________ technology for accepting user input.

Vaccination causes a person′s immune system to produce:

The marked price of a bicycle was $260. A man bought the bicycle on hire-purchase by making a down payment of $100, and twelve monthly payments of $16 each. How much could he have saved if he had bought the bicycle for the marked price?

Which of the following words BEST describes a triangle with all its sides equal?

Which of the following would NOT be considered part of the prime cost of manufactured goods?

Who presides over the House of Assembly / House of Representatives?

Which one of these four statements is NOT true?

Which one of the following best describes hormones?

A plastic that softens every time it is heated is said to be:

A detector close to a sample of radioactive material records 76 counts per second (cps). Precisely 2 days later the count rate has fallen to 22 cps.The count rate due to background radiation, taken immediately before and after the experiment, averaged 4 cps. The half-life of the material is:

2p² -15p + 25 =

The interest rate on investments in a bank increased from 5 per cent per annum to 6 ¹/₂ per cent per annum. The difference in annual interest on a deposit of $4000 is

When aluminium is extracted by electrolysis, cryolite is added to:

Common salt can be used to make all of these EXCEPT for:

Single-celled organisms do not need a transport system because:

The common name for silicon dioxide is: