Past Questions And Answers
In the absence of gravitational force, the weight of the body is
- A. its mass
- B. zero
- C. its density
- D. its volume
In the figure, PQST is a parallelogram and TSR is a straight line. If the area of â–³QRS is 20cm2, find the area of the trapezium PQRT.

- A. 35cm2
- B. 65cm2
- C. 70cm2
- D. 140cm2
The increase in width of blood vessels in the mammalian skin at high temperatures is known as
- A. vasodilation
- B. sweating
- C. vasoconstriction
- D. shivering
All are necessary for photosynthesis except ________
- A) Water
- B) Chlorophyll
- C) Sunlight
- D) Oxygen
Which of the following is used to study the arrangement of particles in crystal lattices?
- A) Alpha-particles
- B) Beta-particles
- C) Gamma-rays
- D) X-rays
An economic activity which deals with natural resources is a form of?
- A. extraction
- B. refining
- C. construction
- D. manufacturing
In which of the following scenarios is stabilizing selection most likely to take place?
- A. Male elk that have larger antlers are better able to fight for dominance. The most dominant elk in an area produces the most offspring.
- B. In a population of hawks, very large hawks are able to carry off large prey such as small deer, but very small hawks are slightly faster and so have more success hunting small mammals.
- C. A population of feral cats begins to hunt the mice in a neighborhood. Mice that are very small are unable to run fast enough to escape the cats, whereas mice that are very large are unable to fit in small nooks and crannies to hide from the cats.
- D. A few individuals in a population of coastal-dwelling moths is blown to an offshore island during a tropical storm
Which of the following West Africa countries is the largest producer of groundnut?
- A. Burkina Faso
- B. Mali
- C. Guinea Bissau
- D. Senegal
The right that enables citizens to express their electoral preferences is
- A. Franchise
- B. suffrage
- C. coat-tails
- D. referendum
How old was Joseph when he began his works as governor in Egypt?
- A) 28
- B) 29
- C) 30
- D) 31

