The white blood cells that produce antibodies are called:

Instruction: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.

While the committee members ............ insults across the floor, the chairman tried in vain to ............ order.

The optimum pH for most enzyme action is:

Instructions: Select the option A, B, C or D that BEST describe the sentence.

Traffic bottlenecks must be ironed out if we are to prevent giant traffic congestion.

If US$1.00 is equivalent to EC$2.68, how much in US$ would one get for EC$100?

The expansion of (x - 2)² is

The marked price of a stove was $520. A worker bought the stove on hire-purchase by making a down payment of $100, and twelve monthly payments of $40 each.
How much could she have saved if she had bought the stove for the marked price?

Biological catalysts in yeast are called:

Powders react faster than lumps because they have:

All of these elements form allotropes EXCEPT for:

Which of the following is based on exploiting non-renewable natural resources?

In an endothermic reaction:

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

In data representation, a __________ represents one character which may be a letter, number, or punctuation mark.

Potassium reacts quickly with water but we do not use it with acids because:

Which of the following is the Highest Common Factor of 18, 24 and 36?

Which of the following is a prime number?

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

All of these are alkenes EXCEPT for: