WAEC Past Questions and Answers - Page 3414

17,066.

Oil applied to the surface of water kills the larvae of mosquitoes through

A.

dehydration

B.

poisoning

C.

starvation

D.

Suffocation

Correct answer is D

No explanation has been provided for this answer.

17,067.

Which of the following organisms is an endo-parasite?

A.

Mice

B.

Mosquito

C.

Ascaris

D.

Dodder

Correct answer is D

No explanation has been provided for this answer.

17,068.

An organism at the start of a food chain which provides the total input energy into an ecosystem is the

A.

sun

B.

producer

C.

consumer

D.

decomposer

Correct answer is B

No explanation has been provided for this answer.

17,069.

The capillarity of a soil refers to

A.

the particle size of soil

B.

how easily water passes through soil

C.

how well water rises up in soil

D.

proportion of water a soil holds

Correct answer is C

No explanation has been provided for this answer.

17,070.

The major problem experience by organisms living in small water bodies is

A.

drying up

B.

oxygen deficiency

C.

scarcity of food

D.

wave action

Correct answer is A

No explanation has been provided for this answer.