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.

671.

These groups of bacteria are harmless EXCEPT

A.

denitrifying

B.

nitrifying

C.

nitrogen-fixing

D.

parasitic

E.

saprophytic

Correct answer is D

No explanation has been provided for this answer.

672.

Which of the following is a characteristic of mollusc?

A.

Bodies are protected by hard exoskeleton

B.

Bodies are segmented

C.

Body walls have three layers

D.

Presence of paired jointed appendages

E.

The head bears a pair of antennae

Correct answer is C

No explanation has been provided for this answer.

673.

These animals exhibit camouflage EXCEPT

A.

chameleon

B.

crab

C.

crocodile

D.

lizard

E.

snake

Correct answer is B

No explanation has been provided for this answer.

674.

Which of these vertebrae is of the same number in man and rabbit?

A.

Caudal

B.

Cervical

C.

Lumber

D.

Sacral

E.

Thoracic

Correct answer is B

No explanation has been provided for this answer.

675.

Cellular respiration occurs in the

A.

chloroplast

B.

endoplasmic reticulum

C.

food vacuole

D.

mitochondrion

E.

nucleus

Correct answer is D

No explanation has been provided for this answer.