Which of the following is a prime number?

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

When parents display a ............ for one child, the others are likely to feel ............

Two separate forces are acting on a bar to cause it to rotate clockwise. One force is 20 N, at a distance of 3 m out from the pivot; the second force, 2 m further out, is 10 N. Their combined moment is:

A balanced diet is one which:

When a person who has diabetes injects himself with insulin it:

Instructions: Choose from the four suggested answers the word which is closest to OPPOSITE in meaning to the underlined word.

We found her appreciative of the help that we had given to her on this matter.

8x - 4(x - 5) =

When zinc metal is added to copper sulphate solution the products are copper and zinc sulphate solution, so the material that has been displaced must be:

A detector close to a sample of radioactive material records 76 counts per second (cps). Precisely 2 days later the count rate has fallen to 22 cps.The count rate due to background radiation, taken immediately before and after the experiment, averaged 4 cps. The half-life of the material is:

In terms of mass, compared to a proton, an electron:

-7 - (-3) =

Which of the following relations is represented by the graph shown above?

The two main protein groups are globular and:

The sizes of the interior angles of a polygon are x°, 2x°, 60°, 3x° and 36°. What is the value of x ?

In Fleming's Left Hand Rule describing the motor effect, the directions are:

In the Venn diagram above, the shaded portion represents

Which one of the following is correct. When we digest our food:

Which one of the following chemicals is used to test for starch?

The simplest ratio of atoms in a compound is given by the:

Single-celled organisms do not need a transport system because: