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.

1,601.

Which of the following teeth are well-developed to form the carnassial teeth of carnivorous mammals? The

A.

first lower premolar and third upper molar

B.

first lower molar and third upper premolar

C.

second lower premolar and first lower molar

D.

first lower molar and last upper premolar

Correct answer is D

No explanation has been provided for this answer.

1,602.

The break-down of food in a simple, soluble and absorbable end-products is termed

A.

absorption

B.

ingestion

C.

nutrition

D.

digestion

Correct answer is D

No explanation has been provided for this answer.

1,603.

An organism is considered a heterotroph when it

A.

feeds on inorganic food

B.

feeds on already manufactured food

C.

fixes atmospheric nitrogen

D.

respires anaerobically

Correct answer is B

No explanation has been provided for this answer.

1,604.

The deficiency of vitamin D and calcium ions in the diet of a human causes

A.

anaemia

B.

night-blindness

C.

kwashiokor

D.

rickets

Correct answer is D

No explanation has been provided for this answer.

1,605.

Which of the following is not true about a potted plant left in the laboratory for one week without watering?

A.

the cells of the plant will be turgid

B.

there will be wilting of the plant

C.

the leaves are likely to turn yellow

D.

plant will not take in enough nutrients

Correct answer is A

No explanation has been provided for this answer.