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.

2,076.

The adaptive importance of nuptial flight from termite colonies is to

A.

disperse the reproductives in order to establish new colonies

B.

provide abundant food for birds and other animals during the early rains

C.

ensure cross-breeding between members of one colony and another

D.

expel the reproductives so as to provide enogh food for other members

Correct answer is A

No explanation has been provided for this answer.

2,077.

In which of the following groups of vertebrates is parental care mostly exhibited ?

A.

Reptilia

B.

Amphibia

C.

Aves

D.

Mammalia

Correct answer is D

No explanation has been provided for this answer.

2,078.

The function of the red head in male Agama lizards is to

A.

conceal and camouflage the animal from predators

B.

scare other males from the territory

C.

attract female lizards for mating purposes

D.

warn predators of the distastefulness of the animal

Correct answer is C

No explanation has been provided for this answer.

2,079.

If both parents are heterozygous for a trait, the probability that an offspring will be recessive for that trait is?

A.

½

B.

¾

C.

¼

D.

1

Correct answer is C

The expected genotype ratio when two heterozygotes are crossed is 1 (homozygous dominant) : 2 (heterozygous) : 1 (homozygous recessive). 

2,080.

All living organisms are constantly involved in a struggle for existence. This was proposed by

A.

Morgan

B.

Darwin

C.

Lamarck

D.

Wallace

Correct answer is B

No explanation has been provided for this answer.