WAEC Past Questions and Answers - Page 3726

18,626.

Ecology is best defined as the study of

A.

the characteristics of an environment

B.

the relationship between living organisms and their environment

C.

living organisms in a particular area

D.

the habitats and wildlife

Correct answer is B

No explanation has been provided for this answer.

18,627.

Which of the following essential substances is contained in vegetables?

A.

Chlorophyll

B.

Glucose

C.

Mineral salts

D.

Carbon dioxide

Correct answer is C

No explanation has been provided for this answer.

18,628.

Which of the following organisms exhibits extracellular digestion?

A.

Moulds

B.

Green plants

C.

Algae

D.

Bryophytes

Correct answer is A

No explanation has been provided for this answer.

18,630.

In the test for starch, the leaf is first placed in boiling water to

A.

remove the chlorophyll

B.

dissolved the waxy cuticle

C.

kill and make the leaf permeable

D.

turn it blue-black

Correct answer is C

No explanation has been provided for this answer.