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.

Devices that capture data directly from a source document include all of the following items EXCEPT __________.

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

The Haber Process is used to make:

Overfishing means:

The existence of a neutral particle named the neutron was first confirmed experimentally by:

__________ is a primary storage device that may be programmed and reprogrammed by the user.

The splitting of a beam of white light into the colours which make it up is called:

The following are all minerals EXCEPT for:

Which of the following groups indicates examples of current assets?

If U = {1, 2, 3, . . . 10 } and S = { 4, 5, 6, 7, 8 }, then S ' =

Which of the following properties of water is not important to the survival of living things?

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

1 mole of sodium carbonate weighs 106 g, so the number of moles in 318 g will be:

Three lights flash at intervals of 4, 6 and 10 seconds respectively. They are started together. How soon after will they next flash together again?

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?

A ripple travels over the surface of some water. Its wavelength is 2 m, its amplitude is 0.1 m and its frequency is 0.5 Hz.The speed of the ripple is:

Which of the following are all secondary sex characteristics in females?

The number of particles in a mole of any gas is always:

Powders react faster than lumps because they have: