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.

2,261.

In cellular respiration, energy is made available to organisms by

A.

removal of a phosphate group from ADR

B.

breaking off a phosphate group from ATP

C.

adding a phosphate group to glucose

D.

breaking off a hydrogen ion from NADPH

Correct answer is B

No explanation has been provided for this answer.

2,262.

The mechanism for opening and closing plant stomata is based on

A.

turgidity and diffusion

B.

turgidity and flaccidity

C.

osmosis and diffusion

D.

diffusion and flaccidity

Correct answer is B

No explanation has been provided for this answer.

2,263.

Which of the following processes involves diffusion?

A.

Opening and closing of stomatal pores

B.

Turgidity of herbaceous plants

C.

Absorption of water through the root hairs

D.

Absorption of digested food into the villi

Correct answer is D

No explanation has been provided for this answer.

2,264.

Which of the following characteristics do fungi share in common with animals?

A.

Presence of digestive tract

B.

Movement from one place to another

C.

Storage of carbohydrates as glycogen

D.

Movement of centrioles during cell division

Correct answer is C

No explanation has been provided for this answer.

2,265.

A typical plant cell is mainly distinguished from an animal cell by the possession of

A.

chloroplast and nucleus

B.

cell wall and cytoplasm

C.

chloroplast and cell wall

D.

cell wall and mitochondrion

Correct answer is C

No explanation has been provided for this answer.