Which of the following is a prime number?

The second most common gas in the atmosphere is:

In a school of 910 pupils, ³/₇ are boys and ²/₅ of the boys wear glasses. How many boys wear glasses?

How many subsets does the set {a, b, c, d, e} have?

When something gets hotter, the particles in it gain more:

The decimal equivalent of ³/₈ is

The average of a set of numbers reduces from 14 to 11 when the number 35 is removed. How many numbers were in the original set?

The non-metal used to make margarine is:

Instructions: Choose the one NEAREST IN MEANING to the original sentence.

The Europeans who were not well off were those who came to the West Indies in search of wealth.

Choose the ONE underlined part A, B or C that is inappropriate. If the sentence is acceptable as it stands, choose D.

The better of the two athletes claim never to have used the dangerous drugs found in his possession.

A circular hole with diameter 6 cm is cut out of a circular piece of card with a diameter of 12 cm. The area of the remaining card, in cm² , is

This question refers to the triangle PQR in which angle QPR = 90°, PR = 12 cm and PQ = 5 cm.

The length of QR, in cm, is

Which of the following are advantages of asexual reproduction in a flowering plant?
Ⅰ Large numbers of offspring are rapidly produced.
Ⅱ Favourable genotypes are maintained from one generation to the next.
Ⅲ The plant does not need to rely on wind or insects for pollination.
Ⅳ Several identical individuals grow close together.

Which of the following does NOT play a role in evolutionary change?

Which one of the following best describes hormones?

Acid soils can be neutralised by adding:

Herbicides are used to destroy:

Oxygen is carried around the body by the:

Which of the following is NOT found dissolved in plasma?

In making bread the enzymes in yeast break down starch to give: