Which of the following sets has an infinite number of members?

The animals shown in the diagram were identified using a dichotomous key based on the visible characteristics listed below:
Ⅰ body shape
Ⅱ number of legs
Ⅲ number of wings
Ⅳ number of eyes
Ⅴ number of antennae
Which characteristics could be used to divide the animals into two groups?

Which of the following substances contains the elements carbon, hydrogen, oxygen and nitrogen?
Ⅰ DNA
Ⅱ carbohydrates
Ⅲ lipids
Ⅳ proteins

Given that a and b are integers, which of the following is not necessarily an integer?

In a partnership maintaining fixed capital accounts, the net profit is appropriated to the

If a reaction takes 50 seconds at 25 ℃, then at 50 ℃ the time for the reaction in seconds is likely to be about:

In many Caribbean countries the Queen of England is the head of state.

Such countries may be described as

In the eye, rays of light are focussed on the retina by being refracted at:

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

The youth of the country need to organize themselves into cooperatives in order to support the prime minister's drive for self-sufficiency.

The gas that relights a glowing splint is:

The only one of the following which is NOT a change of state is:

The active catalyst in a car′s catalytic converter is:

Many leaves are adapted to photosynthesise effectively by having:

In the diagram, B is due north of A; C is east of B, and AB = BC.

Veins have valves because

A(n) __________ printer is suitable for printing multi-part forms because they easily print through many layers of paper.

$x is divided among three boys, Ryan, Keith and Andrew, in the ratio 2 : 3 : 7, respectively. If Andrew gets $15 more than Keith, what is the value of x ?

After Lloyd's father died, Lloyd invited his mother to live with his wife, his two sons and himself. The new family structure would be termed.

Biological catalysts in yeast are called:

Which conclusion can be drawn from the table?