The area of the trapezium ABCD above is

Which of the following tests describes the test for glucose?

Biological catalysts in yeast are called:

The gross profit of a firm is $3,600, bad debts $100, rent paid $120, rent prepaid $20, general expenses $80 and discount received $110. The net profit is

Which one of the following comparisons of inhaled and exhaled air is correct?

The exterior angles and the interior angles of a polygon are equal. How many sides does the polygon have?

When metals react with acids they give a salt and:

The expansion of (x - 2)² is

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

Enzymes catalyse specific reactions by having an active site where the substrate fits.This theory is called:

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

The constitutions of Commonwealth Caribbean countries guarantee citizens freedom of conscience, expression, assembly and movement. These freedoms are usually referred to as

In the diagram of a section through a synovial joint, the part labelled X represents the:

How much simple interest is due on a loan of $240 for two years if the annual rate of interest is 4 per cent?

All of these are properties of carbon monoxide EXCEPT for:

The triangle ABC above shows the angle of elevation of the top, B, of a tower, BC, from A, to be 30°. AB = 40 m. The length of BC is

The length of an insect such as a grasshopper increases in steps.This is because:

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

Had they not been forewarned, they might have joined the queue, not knowing that gas was not on sale at that station.

2p² -15p + 25 =