Which one of the following best compares the eye and a camera?

The units we use for heat given out by a reaction are:

In the figure above, the shaded portion represents

Eight bits are called a __________.

In the modern Periodic Table the elements are arranged:

Which one of the following structures is responsible for controlling entry and exit of materials into and out of the cell?

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

Any solution with a pH below 7 must be:

All the following are examples of hardware interfaces EXCEPT __________.

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

The point where two neurones connect is called:

John Jones pays his employees by cash. How will he record this payment in his books?

Photosynthesis is important because:

In an endothermic reaction:

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

A home computer system is equipped with a memory card reader, floppy disk drive, a DVD drive and an internal hard disk, The LEAST an MOST portable media that can be used with this computer are __________.

Instructions: Select the option A, B, C or D that BEST describe the sentence.

Seldom do people declare that they are not the products of their environment.

Reactive metals such as potassium react with water to give hydrogen and:

Some foods contain flavour enhancers. These food additives:

The graph shows the results of an experiment to investigate
the relationship between the voltage placed across a light bulb
and the current which then flows through it.Which one of the
following statements is NOT true?