Dividing 9 × 10^-2 by 3 × 10^-8 gives:

If U = {1, 2, 3, . . . 10 } and S = { 4, 5, 6, 7, 8 }, then S ' =

A rectangular tank is 50 cm long, 50 cm wide and 10 cm deep. The volume of liquid it will hold is

All of these materials are used in a blast furnace EXCEPT for:

All of the following are general purpose software EXCEPT __________.

The bases and heights of a cylinder and a cone are the same. The volume of the cylinder is V cm³. What is the volume of the cone in cm³ ?

g/dm³ are units of:

Which of the following is a prime number?

Which of the following would undermine the authority of parents in the home?

Which of the following would play an important part in a government′s efforts to increase consumption of locally produced food?

All of the following have a charge of -1 EXCEPT for:

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

Which of the following are advantages of asexual reproduction in a flowering plant?
Ⅰ Large numbers of offspring are rapidly produced.
Ⅱ Favourable genotypes are maintained from one generation to the next.
Ⅲ The plant does not need to rely on wind or insects for pollination.
Ⅳ Several identical individuals grow close together.

Enzymes catalyse specific reactions by having an active site where the substrate fits.This theory is called:

Photosynthesis is important because:

The density of seawater is:

The pH scale runs from 1 to:

Hormonal methods of contraception work by:

All of these reactions are exothermic EXCEPT for:

Transition metals have all of these properties EXCEPT for: