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.

3,221.

The easiest way to establish the level of pollution in a local stream is to measure the level of

A.

oxygen

B.

carbon (IV) oxide

C.

ammonia

D.

alkalinity

Correct answer is A

No explanation has been provided for this answer.

3,222.

A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is likely to have contacted

A.

schistosomiasis

B.

onchocerciasis

C.

poliomyelitis

D.

salmonellosis

Correct answer is A

No explanation has been provided for this answer.

3,223.

An ecological factor that will have the most limiting effects on the abundance of phytoplankton in a turbid pond is

A.

pH

B.

oxygen

C.

light

D.

temperature

Correct answer is C

No explanation has been provided for this answer.

3,224.

The stomata of some plants are sunken and protected by hairs. These are features of

A.

mesophytes

B.

epiphytes

C.

hydrophytes

D.

xerophytes

Correct answer is D

No explanation has been provided for this answer.

3,225.

The main ecological problem facing intertidal organisms is

A.

desiccation

B.

floatation

C.

salinity

D.

humidity

Correct answer is A

Desiccation refers to the drying out of a living organism, such as when aquatic animals are taken out of water. The intertidal zones lay exposed twice daily due to tidal movements.