Trade among west African countries is less developed mainly because

• A. they were ruled by different colonial powers which created a barrier to communication
• B. the products of one country are basically similar to those of the others
• C. there are no international railway lines to transport the bulky items of trade across the borders
• D. of ethnic sentiments of people in one country against the other

Which of the following is NOT a function of the nucleus of a cell?

• A) It controls the life processes of the cell
• B) It translates genetic information for the manufacture of proteins
• C) It stores and carries hereditary information
• D) It is a reservoir of energy for the cell

Which of the following statements about defects of vision is/are CORRECT?

I. For a long sighted person, close objects appear blurred

II. For a short sighted person, distant objects appear blurred

III. Short sight is corrected by using a pair of converging lenses

• A. I only
• B. II only
• C. I and II only
• D. II and III only

In the computer browser address field, what does the abbreviation www stands for

• A. world wide web
• B. word wide web
• C. web wide world
• D. wide web world

What fraction of N4.32 is N 3.87

• A. 41/48
• B. 43/48
• C. 47/48
• D. 39/48

Increase in the number of people living below the poverty line in Africa is particularly because

• A. The largest proportion of Africa's populations are unemployed
• B. Of the prevalence of corruption
• C. Of the problem of insecurity scaring away investors
• D. A vast majority of its populants have chosen to be unproductive

the document issued by a warehouse keeper for goods taken into the store is?

• A. mate receipt
• B. bill of sight
• C. ship manifest
• D. dock warrant

If the quantity demanded of a commodity increases from 20 units to 30 units when there is an increase in price from $4.00 to $5.00, the elasticity of demand is

• A. 2.00
• B. 0.50
• C. 0.65
• D. 2.50

The economic policy of privatization came up as a result of the poor performance of

• A. commercial banks
• B. small-scale businesses
• C. public enterprises
• D. private enterprises

(a) Mention three chemical properties of chlorine

(b) What type of reaction is represented by each of the following equations?

(i) Mg\(_{(s)}\) + 2HCI\(_{(aq)}\) --> Mg\(_2\)Cl\(_{2(aq)}\) + H\(_{2(g)}\)

(ii) Ag\(^+_{aq}\) + Cl\(^-\)\(_{(aq)}\) ----> AgCl\(_{(s)}\)