WAEC Past Questions and Answers - Page 4099

20,491.

If the force of attraction between the sun and the 8 planets is removed; the planets will

A.

fall towards the sun

B.

scatter and stop moving

C.

continue to move at tangent to their original orbits

D.

continue to move perpendicular to their original orbits. '

Correct answer is D

No explanation has been provided for this answer.

20,492.

Maize is best stored against insect attack

A.

on raised platforms

B.

in fumigated silos

C.

in a sunny area

D.

while still on the cob

E.

in humid metal tanks

Correct answer is B

No explanation has been provided for this answer.

20,493.

Which of the following methods is used in food preservation for a long period?

A.

adding oil to food

B.

Exposing food to fresh air

C.

keeping the food in a store

D.

Warming the food daily

E.

Salting and drying the food

Correct answer is E

No explanation has been provided for this answer.

20,494.

Which of the following groups of organisms feeds directly on green plants?

A.

Producer

B.

Decomposer

C.

Primary consumer

D.

Secondary consumer

E.

Tertiary consumer

Correct answer is C

No explanation has been provided for this answer.

20,495.

The activities of an organism that affects the survival of another organism in a habitat can be described as

A.

biotic factors

B.

climatic factors

C.

physiographic factors

D.

edaphic factors

E.

abiotic factors

Correct answer is A

No explanation has been provided for this answer.