The optimum pH for most enzyme action is:

The white blood cells that produce antibodies are called:

Which one of the following statements about constructive interference is NOT true?

In the figure above, for which point is the x-coordinate positive and the y-coordinate negative?

Personal accounts are found in the

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

Which of the following can cross the placenta from mother to fetus?

Which of the following is NOT recorded in the General Journal?

A person of blood group AB has:

A man bought a shirt at a sale. He saves $30 on the normal price when he paid $120 for the shirt. What was the percentage discount on the shirt?

In the circle above, the circumference is 10 cm. The length of the arc AB, in centimetres, is

A square has the same area as a rectangle with sides of length 9 centimetres and 16 centimetres. What is the length of the square?

Hydrochloric acid forms salts called:

The major plant nutrients written as NPK refer to phosphorus, nitrogen and:

In which one of the following four cases would the pressure be greatest?

A and B had a partnership and shared profits and losses 2/3 and 1/3 respectively. They admitted C to the partnership. In addition to capital, C had to pay goodwill $3,600. How much did A and B receive as their respective share of Goodwill?

Which of the following statements is UNTRUE?

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

Despite his short-temper, his willingness to give of his wealth to help others to succeed led people to call him ............

A political campaign is a method used by political parties to

The sharp-tasting compound in vinegar is: