In an airport, a system consisting of sensors, bar code readers and remote controls is MOST LIKELY used for __________.

The sharp-tasting compound in vinegar is:

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?

All of the following items are widely used input devices EXCEPT the __________.

On January 1, a firm's capital is $4,600. On December 31, of the same year, the following information was provided: Drawings $850, Total Assets $10,000. Loan Outstanding $950 and Creditors $4,000. What was the Net Profit that year?

An enzyme which has an optimum pH of 3 will function best in the:

A molecule of ethene can be described as all of these EXCEPT for:

Which one of these four statements is NOT true?

The pH scale runs from 1 to:

None of these solutions in water conducts electricity EXCEPT for:

The Earth′s first atmosphere contained all of these gases EXCEPT for:

The following are all features of insect-pollinated flowers EXCEPT for:

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

When something gets hotter, the particles in it gain more:

The following figures are taken from a manufacturing account.


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

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

The charge on a sodium ion is always:

A student observed a plant cell through a microscope and made an accurate drawing of the cell. If her drawing was 80 mm in diameter and had a magnification of ×2000, what was the real diameter of the cell?

Choose the ONE underlined part A, B or C that is inappropriate. If the sentence is acceptable as it stands, choose D.

The problem with the students is that they arrive late, gives no excuse, and are rude when spoken to.

The shaded area in the Venn diagram above represents