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.

2,096.

The study of how and why population size change over time is

A.

Population estimation

B.

Population dynamics

C.

Population ecology

D.

Population Cycle

Correct answer is B

No explanation has been provided for this answer.

2,097.

A characteristic feature of the tropical rainforest is that it

A.

Contains trees with narrow leaves

B.

Contains large number of plant species

C.

Contains fewer number of plant species

D.

Has a total annual rainfall of less than 50cm

Correct answer is B

No explanation has been provided for this answer.

2,098.

Which of the following group of organisms feeds directly on green plants?

A.

Primary Consumers

B.

Secondary Consumers

C.

Producers

D.

Decomposers

Correct answer is A

No explanation has been provided for this answer.

2,099.

The major limiting factors of productivity in the aquatic habitat include the following except?

A.

Food

B.

Temperature

C.

Water

D.

Sunlight

Correct answer is B

Most aquatic organisms do not have to deal with extremes of temperature or moisture.

Instead, their main limiting factors are the availability of sunlight and the concentration of dissolved oxygen and nutrients in the water.

2,100.

The genetic make-up of an organism is described as

A.

Allele

B.

Chromosome

C.

Phenotype

D.

Genotype

Correct answer is D

No explanation has been provided for this answer.