In testing for starch in a leaf the function of alcohol is to

• A. kill the cells of the leaf
• B. soften the veins of the leaf
• C. aid iodine to penetrate the cells
• D. extract the chlorophyll from the leaf

One of the problems arising from the localization of industries is?

• A. high prices of output
• B. the exportation of output
• C. the scarcity of foreign exchange
• D. structural unemployment

From the words lettered A to D, choose the word that best completes the sentence.

The judge ....... the case.

• A. cancelled
• B. dismissed
• C. rejected
• D. withdrew

Which of the following is not a process of chemical weathering?

• A. frost action
• B. hydrolysis
• C. oxidation
• D. carbonation

The law of diminishing marginal utility state that, the more a commodity is consumed the

• A. higher the satisfaction derived from an additional unit
• B. higher the price to be paid
• C. lower the quantity supplied
• D. lower the rate of increase in the total utility derived

In the pre -colonial African political system, the functions of the kingmakers were performed by

• A. Age grades
• B. Woman
• C. Council of elders
• D. Special people

Which of the following statements about a ferromagnetic material is correct? It

• A. has a high susceptibility.
• B. attracts non-magnetic materials.
• C. has low relative permeability.
• D. repels other magnetic materials.

During colonial days a school room looked rather empty

• (a) colonial days, a school room looked
• (b) colonial Days, a school room looked
• (c) colonial Days; a school room looked
• (d) colonial Days , a school room looked

Sound interference is necessary to produce the phenomenon of

• A. beats
• B. doppler effect
• C. acoustic resonance
• D. echo

To enhance national development, parenthood which is the nucleus of every society must be

• A. regulated by religious clerics
• B. relaxed in their responsibilities
• C. a civil and morally responsible one
• D. supported by leader in government