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.

4,096.

Exponential increase in the population of an organism is a characteristic feature of

A.

binary fission

B.

sexual reproduction

C.

budding

D.

vegetative propagation

Correct answer is A

No explanation has been provided for this answer.

4,097.

A corn differs from a bulb in that 

A.

its stem is the main food storage organ

B.

it has a flattened disc-shaped stem

C.

buds are absent in the axils of the leaves

D.

adventitious roots are present

Correct answer is A

No explanation has been provided for this answer.

4,098.

The components of castor oil seed and the maize grain are similar EXCEPT for the

A.

number of cotyledons

B.

location of the embryo

C.

number of radicles

D.

number of plumules

Correct answer is A

No explanation has been provided for this answer.

4,099.

Wind pollinated flowers usually have

A.

rough pollen grains

B.

sticky stigmas

C.

small and short stigmas

D.

long styles

Correct answer is D

No explanation has been provided for this answer.

4,100.

The lumbar vertebra when compared with a thoracic vertebra has a

A.

longer neural spine

B.

wider neural canal

C.

thicker centrum

D.

shorter transverse process

Correct answer is C

No explanation has been provided for this answer.