Biology questions and answers

Biology Questions and Answers

How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.

1,826.

Which of the following associations can upset the balance of nature? 

A.

Epiphitism

B.

Parasitism

C.

Symbiosis

D.

Saprophytism

Correct answer is B

No explanation has been provided for this answer.

1,827.

The substances recycled in the soil by the activities of micro-organisms during the decay of dead organisms
are first utilized by the

A.

carnivores

B.

herbivores

C.

scavengers

D.

autotrophs

Correct answer is D

No explanation has been provided for this answer.

1,828.

Micro-organisms which break down dead organisms and absorb their contents are called

A.

decomposers

B.

consumers

C.

parasites

D.

commensals

Correct answer is A

No explanation has been provided for this answer.

1,829.

Which of the following is not promoted by high wind speed?

A.

Rill erosion

B.

Weathering of parent rock

C.

Breeding of plant

D.

Opening of stomata

Correct answer is C

No explanation has been provided for this answer.

1,830.

Which of the following solutions is suitable for removing chlorophyll in a green leaf?

A.

Million’s reagent

B.

Methylated spirit

C.

Benedict solution

D.

Fehling’s solution

Correct answer is B

No explanation has been provided for this answer.