All of these are used as food additives EXCEPT for:

When limestone is heated strongly it changes into:

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

Large-scale applications sometimes refer to a graphic tablet as a __________.

in which of the following accounts is debenture interest charged as an expense?

The following figures are taken from a manufacturing account.


The cost of tie year's production of finished goods is

Removal of forests may cause all of the following EXCEPT

An example of an air pollutant is:

When aluminium is extracted by electrolysis, cryolite is added to:

Devices that capture data directly from a source document include all of the following items EXCEPT __________.

Measuring plant growth by measuring height is convenient, but inaccurate because:

Hydrocarbons contain carbon and:

-7 - (-3) =

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

Vaccination causes a person′s immune system to produce:

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

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

Which of the following are examples of environmental variation in humans?
Ⅰ hair colour
Ⅱ height
Ⅲ intelligence
Ⅳ body mass

In the figure above, the shaded portion represents

Who presides over the House of Assembly / House of Representatives?