Anaerobic respiration takes place:

When focussing on distant objects:

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?

Enzymes are called biological catalysts because they:

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

The electrical charges on a proton and an electron are:

Hormonal methods of contraception work by:

In a titration the long tube with a volume scale is a:

A student observed a plant cell through a microscope and made an accurate drawing of the cell. If her drawing was 80 mm in diameter and had a magnification of ×2000, what was the real diameter of the cell?

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

__________ are used in specialized fields such as engineering and drafting for outputting large-format drawings.

The particles in a liquid:

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

The problem with the students is that they arrive late, gives no excuse, and are rude when spoken to.

When we are too hot, more blood flows through the capillaries near the surface of the skin. This helps us to cool down because the blood loses heat by:

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

To conceal his true activities, the spy quickly ............ a plausible excuse for his presence there.

The second most common gas in the atmosphere is:

The wall of the left ventricle is thicker than that of the right ventricle because:

A plastic that softens every time it is heated is said to be:

If a flask containing marble and acid is placed on a balance, the mass decreases steadily with time, which means that: