Which conclusion can be drawn from the table?

The equation of the line which passes through the point (0 , -3) and has a gradient of ¹/₂ is

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

We do not see an object if rays of light from it are focussed on the blind spot because:

Given that a and b are integers, which of the following is not necessarily an integer?

In a water condenser the cooling water enters at:

The splitting of a beam of white light into the colours which make it up is called:

Which one of the following taxonomic groups contains the greatest number of organisms?

Identify the order in which the ancestors of the Caribbean people arrived in the region.

1. Amerindians
2. East Indians
3. Europeans
4. Africans

Which one of the following statements about diffraction is true?

Enzymes are called biological catalysts because they:

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

An insoluble metal oxide can be described as:

Arrange the following secondary storage devices in order of increasing capacity from smallest to largest: a 1GB memory card, CD-ROM, DVD and a 128 MB flash drive.

The number 32747 written to 4 significant figures is

Water passes out of leaves through the:

A financial institution needs only to provide the caller with a limited amount of information. A __________ system is ideal to satisfy this need.

All of the following processes result in energy loss from an ecosystem EXCEPT for:

This question refers to the triangle PQR in which angle QPR = 90°, PR = 12 cm and PQ = 5 cm.

The length of QR, in cm, is

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