JAMB/Economics/1997
In a country, if the proportion of people who are below 15 years is 45% and those above 60 years is 30%, this implies that the
A. Dependency ratio is high B. Population is optimum C. Active population is large D. Population is growing according to Malthus theory
[A] Dependency ratio is high
JAMB/Economics/1997
The type of cost which has to be covered for a firm to continue production in the short -run is the
A. Overhead cost B. Fixed cost C. Marginal cost D. Average variable cost
[D] Average variable cost
WAEC/Biology/2009
The reason why hospitals use saline solutions as drip instead of water is
A. Because salt is a preservative B. To prevent contamination of the body C. To maintain the composition of body fluids D. To increase the number of blood cells
[C] To maintain the composition of body fluids
WAEC/Biology/2009
Pepsin is secreted as an inactive precursor called pepsinogen because
A. Pepsin as an enzyme is quickly destroyed by the alkaline food from the mouth B. All digestive enzymes pass through a precursor stage C. Pepsin is a proteolytic enzyme and might attack the stomach tissues D. Pepsin is not required in large quantities
[B] All digestive enzymes pass through a precursor stage
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NPA/English language/2002
He gave a guffaw that attracted a lot of attention in the room.
A. A slight-laugh B. A loud sneeze C. A boisterous laugh D. A loud giggle
[C] A boisterous laugh
NPA/English language/2002
Who are those lacking tools or techniques and experienced to farm the lands?
A. The tribal people B. The pastoralists C. The Shamba farmers D. All of the above
[B] The pastoralists
NDA/Government/2006
Bye laws are made by;
A. Local government B. State government C. Federal government D. Traditional authority
[A] Local government
NDA/Government/1997
Nigeria became a member of OPEC in
A. 1970 B. 1973 C. 1972 D. 1971
[B] 1973