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.

3,186.

In a cell, the genes are carried by?

A.

nuclear membranes

B.

chromatin threads

C.

lysosomes

D.

mitochondria

Correct answer is B

No explanation has been provided for this answer.

3,187.

A characteristic exhibited by all living organisms is?

A.

sexual reproduction

B.

aerobic respiration

C.

the ability to move from one place to another

D.

the ability to remove unwanted substances

Correct answer is D

No explanation has been provided for this answer.

3,188.

What is an onion bulb's level of organization?

A.

tissue

B.

organ

C.

systemic

D.

organismal

Correct answer is B

An onion bulb is an example of a plant organ.

3,189.

Which of the following is a major cause of variation among organisms?

A.

Inbreeding

B.

Backcrossing

C.

Sexual reproduction

D.

Gene dominance

Correct answer is D

No explanation has been provided for this answer.

3,190.

Which of the following is the most advanced evolutionary development in plants?

A.

possession of unicellular structures

B.

development of flowers

C.

dispersal of spores

D.

development of secondary thickening

Correct answer is B

No explanation has been provided for this answer.