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.

3,351.

Epigeal germination of a seed is characterized by

A.

more rapid elongation of the hypocotyl than the epicotyl

B.

more rapid elongation of the epicotyl than the hypocotyl

C.

equal growth of both the hypocotyl and epicotyl

D.

lack of growth of the hypocotyl

Correct answer is A

No explanation has been provided for this answer.

3,352.

The eggs of birds contains relatively larger quantities of yolk than those of amphibians and reptiles because

A.

birds are generally bigger in size

B.

embryonic development is longer in birds

C.

those of birds are fertilized internally

D.

birds lay shelled eggs

Correct answer is B

No explanation has been provided for this answer.

3,353.

The type of reproduction that is common to both Hydra and yeast

A.

conjugation

B.

binary fission

C.

grafting

D.

budding

Correct answer is D

No explanation has been provided for this answer.

3,354.

The opening of the stomata is controlled by the

A.

presence of a pore

B.

increase in solute concentration in the guard cells

C.

presence of guard cells

D.

decrease in solute concentration in the guard cells

Correct answer is B

No explanation has been provided for this answer.

3,355.

The anaerobic fermentation of a glucose molecule yields

A.

38 ATP molecules

B.

2 ATP molecules and alcohol

C.

pyruvic acid and alcohol

D.

water and carbon (IV) oxide

Correct answer is B

No explanation has been provided for this answer.