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.

2,946.

Which of the following is a method of artificial vegetative propagation? 

A.

Creeping stem

B.

Layering

C.

Corm

D.

Rhizome

E.

Bulbil

Correct answer is B

No explanation has been provided for this answer.

2,947.

Which of the following can be used for vegetative propagation?

A.

Ginger stem

B.

Yam leaf

C.

Plantain roots

D.

Sweet potato tuber

E.

Carrot root

Correct answer is A

No explanation has been provided for this answer.

2,948.

Which of the following is a difference between mitosis and meiosis?

A.

Alignment of chromosomes along the equitorial plane

B.

Replication of the chromosomes and the cell organelles

C.

Pairing of homologous chromosomes

D.

Formation of spindle fibers

E.

Thickening of chromatin threads at prophase

Correct answer is C

No explanation has been provided for this answer.

2,949.

One major difference between osmosis and diffusion is that diffusion

A.

does not need a semipermeable membrane

B.

does not take place in living tissues

C.

takes place only in a liquid medium

D.

takes place only in a gaseous medium

E.

cannot be demonstrated experimentally

Correct answer is A

No explanation has been provided for this answer.

2,950.

Which of the following is not an organ?

A.

Hair

B.

Tongue

C.

Rhizome

D.

Corn

E.

Heart

Correct answer is A

No explanation has been provided for this answer.