The main taxonomic groups in order, starting with the largest, are:

The wall of the heart is made of:

When an element combines with oxygen we get an:

Demersals are fish that are found:

To electrolyse solid lead bromide it must first be heated so that:

Excretion is best defined as:

Which of the following are all deficiency diseases?

Which of the following transactions should be debited in the Cash Account?

The interest rate on investments in a bank decreased from 8 ¹/₂ per cent per annum to 6 per cent per annum. The difference in annual interest on a deposit of $2 000 is

Alcohol can be made by fermentation of all these EXCEPT for:

In pea plant size, tall is dominant to dwarf.You cannot tell whether a tall plant is homozygous (TT) or heterozygous (Tt).To find its genotype you perform a test cross.This involves:

Dividing 9 × 10^-2 by 3 × 10^-8 gives:

A flame test colour of red could indicate the presence of a compound of:

When a metal wire carries an electric current, charges flow through it.The moving charges are:

Which of the following relations is represented by the graph shown above?

In making bread the enzymes in yeast break down starch to give:

Vaccination causes a person′s immune system to produce:

Decomposers are important in the process of decay because:

A store charges 6% VAT on all sales. What is the total cost of a shirt marked at $30 ?

The average of a set of numbers reduces from 14 to 11 when the number 35 is removed. How many numbers were in the original set?