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:

In order to carry out photosynthesis, a plant needs:

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

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

In the eye, rays of light are focussed on the retina by being refracted at:

The water authority charges $20.00 per month for the meter rent, $2.00 for the first 1 000 litres and $0.20 for each additional 100 litres. What is the total bill for 2400 litres used in one month?

A plastic that softens every time it is heated is said to be:

In a plant, water and dissolved minerals are transported in the:

Many leaves are adapted to photosynthesise effectively by having:

When focussing on distant objects:

All of the following are non-metals EXCEPT for:

How many lines of symmetry does this shape have?

The type of bonding that involves loss or gain of electrons is called:

Which of the following words BEST describes a quadrilateral with all its sides equal?

Which one of the following would NOT give rise to a systematic error in an experiment?

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

Which of the following conditions is NOT caused by a poor diet?

In the figure above, the shaded portion represents

The empirical formula, C₆H₁₂O₆, gives the simplest ratio as:

In a food chain a plant is a producer because it produces:

Which of the following accounts should prepared as the final account for non-trading organization?