Many leaves are adapted to photosynthesise effectively by having:

A circular hole with diameter 4 cm is cut out of a circular piece of card with a diameter of 16 cm. The area of the remaining card, in cm² , is

A relationship between two organisms where one organism derives benefits from the relationship and the other organism derives no benefit, but is not harmed, is called:

The number 0.0417 in standard form is

In coordinate geometry, the equation of the x-axis is

Which of the following routes taken by blood in the body is correct?

The chemicals that make up the bodies of animals and plants are called:

Which one of the following diagrams illustrates short-sightedness?

(F = Focal point)

In electrolysing a solution of copper sulphate using copper electrodes, the anode:

None of these solutions in water conducts electricity EXCEPT for:

All of the following devices are commonly used non-impact printers EXCEPT __________.

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

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

Which one of the following is NOT a harmful effect of smoking?

All the following are examples of hardware interfaces EXCEPT __________.

Which of the following persons listed below is the Head of the Judiciary?

All of the following can affect the size of a population EXCEPT for:

Each of the features of our bodies is controlled by a:

THE ITEM is based on the following extract.

Unemployment and hard economic conditions have forced both parents in some Caribbean families to migrate, leaving an elder son or daughter to care for the younger brothers and sisters.

Which of the following problem is LEAST likely to affect the younger brothers and sisters?

In order to carry out photosynthesis, a plant needs:

The lowest and the highest frequencies a typical young person′s ear can detect are approximately: