In a plant, water and dissolved minerals are transported in the:

A square has the same area as a rectangle with sides of length 4 centimetres and 25 centimetres. What is the length of the square?

Which of the following devices are MOST LIKELY to be used at an airport for border control activities?

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

Which one of the following is NOT a function of the placenta?

A salt that contains water of crystallisation is:

Hormonal methods of contraception work by:

__________ is a temporary holding area for data, application program instructions, and the operating system.

Each of the features of our bodies is controlled by a:

In humans, an egg cell is released from an ovary approximately every:

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

Plant stems grow towards a light source.This is an example of:

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

As a result of the need for trained staff, the firm had to dismiss several workers.

The existence of a neutral particle named the neutron was first confirmed experimentally by:

In the reactivity series of metals the order is: sodium, calcium, magnesium, aluminium, which means that the most reactive metal is:

Which of the following is NOT found dissolved in plasma?

Acid soils can be neutralised by adding:

Which of the relations represented below are functions?

The decimal equivalent of ³/₈ is

If x is an odd number, which of the following is also odd?