WAEC Past Questions and Answers - Page 3397

16,981.

The mutualism type of relationship is different from a parasitic relationship because in mutualism

A.

both organisms involved benefit

B.

none of the organisms benefit or harm each other

C.

both organisms harm each other

D.

only one of the organisms is harmed

Correct answer is A

No explanation has been provided for this answer.

16,982.

Which of the following statements about a mixture of a protein-digesting enzyme and starch solution would be correct? The protein-digesting enzyme

A.

has no effect on the starch solution

B.

leads to the production of amino acids

C.

leads to the production of glucose

D.

digest the starch

Correct answer is A

No explanation has been provided for this answer.

16,983.

An example of a trace elements is

A.

potassium

B.

calcium

C.

magnesium

D.

copper

Correct answer is D

No explanation has been provided for this answer.

16,984.

The first stable product of photosynthesis is

A.

starch

B.

fructose

C.

glucose

D.

sucrose

Correct answer is A

No explanation has been provided for this answer.

16,985.

Oxygen comes out of the stomata during photosynthesis through the process known as 

A.

diffusion

B.

transpiration pull

C.

osmosis

D.

active transport

Correct answer is A

No explanation has been provided for this answer.