All of the following have a charge of -1 EXCEPT for:

The following diagram shows a model used to show how breathing movements take place:

Which part of the model represents the diaphragm?

A girl whose weight is 250 N walks up a slope 40 m long onto a platform 3 m high. Her gain in gravitational potential energy is:

Instructions: Choose from the four suggested answers the word which is closest to OPPOSITE in meaning to the underlined word.

The headgear worn by the factory worker is made from artificial material.

Two resistors, one of 4 Ω and one of 6 Ω, are connected in parallel.Their combined resistance is:

THE ITEM refer to the following family functions.

The family provides security and love for the growing children.

The rate of reaction between marble and hydrochloric acid can be speeded up by using:

The following figures are taken from a manufacturing account.


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

Which of the following statements about photosynthesis is NOT true?

A square has the same area as a rectangle with sides of length 9 centimetres and 16 centimetres. What is the length of the square?

When solid carbon dioxide turns straight into a gas we call it:

In the Venn diagram above, the shaded portion represents

Osmosis is:

In the equation, carbon monoxide + oxygen → carbon dioxide, a reactant is:

Which of the following can cross the placenta from mother to fetus?

The main parts of the human circulatory system are:

When zinc sulphide is heated in air the gas produced is:

One example of an emulsifying agent is:

A man and woman plan to start a family. Which of the following is likely to be LEAST important to them?

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

She was not feeling well at the beginning of the journey, and sitting at the front of the car made her feel worse.