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.

3,551.

From evolutionary standpoint , the older a fossil-bearing rocks is, the more likely it is to contain

A.

aves as opposed to amphibians

B.

invertebrates as opposed to vertebrates

C.

angiosperms as opposed to algae

D.

vertebrates as opposed to invertebrates

Correct answer is B

No explanation has been provided for this answer.

3,552.

The biological factor that is unique to each individual is the

A.

DNA

B.

eye colour

C.

blood group

D.

RNA

Correct answer is A

No explanation has been provided for this answer.

3,553.

If the offspring of a cross between a brown mouse (bb) and a black mouse (BB) are allowed to interbreed, how many different genotypes would result?

A.

2

B.

3

C.

4

D.

5

Correct answer is B

Cross between bb and BB → Bb   Bb   Bb   Bb

Bb genotype fills the first filial generation

3,554.

Which of the following characterizes the white mangrove?

A.

Prop roots

B.

Buttress roots

C.

Breathing roots

D.

Stilt roots

Correct answer is C

No explanation has been provided for this answer.

3,555.

The sign + is used to indicate an association where an organism gains, while 0 is used where an organism is unaffected. An association indicated as +0 is known as

A.

predation

B.

commensalism

C.

parasitism

D.

competition

Correct answer is B

No explanation has been provided for this answer.