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.

3,271.

A biotic factor which affects the distribution and abundance of organisms in a terrestrial habitat is

A.

temperature

B.

competition

C.

pH

D.

light

Correct answer is B

No explanation has been provided for this answer.

3,272.

The mangrove swamp in Nigeria is restricted to the

A.

sahel savanna

B.

sudan savanna

C.

guinea savanna

D.

tropical rain forest

Correct answer is D

No explanation has been provided for this answer.

3,273.

The highest level of ecological organization is the

A.

ecosystem

B.

population

C.

biosphere

D.

niche

Correct answer is C

The biosphere is the global sum of all ecosystems. The two joined words are "bio" and "sphere". It can also be termed as the zone of life on Earth; a closed and largely self-regulating system.

3,275.

One adaptation shown by hydrophytes in freshwater habitats is

A.

leaves reduced to spines

B.

poorly developed roots and xylem tissues

C.

waxy cuticles on shoot surfaces

D.

well developed roots and support systems

Correct answer is B

No explanation has been provided for this answer.