Protective functions of forests include the following except

• A. soil conservation
• B. serving as windbreak
• C. purification of air
• D. source of firewood

Which of these properties gives a solid its definite shape?

• A. strong intermolecular attraction
• B. high melting point
• C. high boiling point
• D. weak intermolecular attraction

An example of a polysaccharides is?

• A. —dextrose
• B. mannose
• C. glucose
• D. starch

A group of companies is a collection of?

• A. subsidiaries and their holding company
• B. firms
• C. associates and their holding company
• D. industries

Moses fled Egypt to the land of Midian because

• A. he was afraid that his crime would be made known
• B. Pharaoh wanted to kill him for the crime he had committed
• C. his countryman asked if he would also kill him
• D. he had killed an Egyptian and buried him in the sand

(a) List four types each of:

(i) Small scale retailers.

(ii) Large scale retailers.

(b) Explain four reasons why small scale retailers survive despite the dominance of large scale retail outlets.

What does CO stand for in COBOL?

• A. common object
• B. common
• C. computer oriented
• D. common operating

a) Given a retort stand and clamp, a stout pin, a simple pendulum and a pencil, describe how you would use these apparatus to determine the centre of gravity of an irregularly shaped piece of cardboard of a moderate size.

(b) Using a suitable diagram, explain how the following can be obtained from a velocity-time graph:

(i)  acceleration;

(ii) total distance covered.                                                                                   

(c ) A body at rest is given an initial uniform acceleration of 6.0 ms\(^{-2}\) for 20s after which the acceleration is reduced to 4.0 ms\(^{-2}\) for the next 10s.

The body maintains the speed attained for 30s.

Draw the velocity-time graph of the motion using the information given above.  From the graph, calculate the:

• maximum speed attained during the motion;
• total distance traveled during the first 30 s;
• average speed during the same time interval as in (ii) above.

Two elements, P and Q with atomic numbers 11 and 8 respectively , combine chemically to form the compound PxQY. The respective values of x and y are?

• A. 1 and 1
• B. 1 and 2
• C. 2 and 1
• D. 3 and 1

Independence of the judiciary connotes that

• A. judges must be allowed to participate in politics
• B. court judges are free to administer oaths of office
• C. judiciary must not be involved in law-making
• D. judges must be free from any influence