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.

2,551.

If an enzyme works best in an acid medium, in which of the following parts of the human gut is the pH best for
enzyme activities? In the

A.

ileum, pH 9.0

B.

stomach, pH 2.0

C.

duodenum, pH 7.0

D.

mouth cavity; pH 8.0

Correct answer is B

No explanation has been provided for this answer.

2,552.

Which of the following food substances would produce a translucent mark when rubbed on white paper?

A.

Potato

B.

Beans

C.

Mango

D.

Groundnut

Correct answer is D

No explanation has been provided for this answer.

2,553.

Study the following list of deficiency symptoms in animals; use it to answer the questions below
I. Loss of appetite and weight; II. Delayed wound healing; III. Rickets; IV Sterility in animals
V Failed blood clotting; VI. Night blindness

Which of the following food combinations would correct the deficiency numbered II?

A.

Tomatoes, oranges, and mangoes

B.

Yeast, liver, and rice

C.

Red palm oil, carrot, and egg yolk

D.

Green vegetables, butter, and meat

Correct answer is D

No explanation has been provided for this answer.

2,554.

Study the following list of deficiency symptoms in animals; use it to answer the questions below
I. Loss of appetite and weight; II. Delayed wound healing; III. Rickets; IV Sterility in animals
V Failed blood clotting; VI. Night blindness

Which of the following vitamins would correct the deficiency numbered V?

A.

Vitamin K

B.

Vitamin A

C.

Vitamin C

D.

Vitamin B

Correct answer is A

No explanation has been provided for this answer.

2,555.

Study the following list of deficiency symptoms in animals; use it to answer the questions below.
I. Loss of appetite and weight; II. Delayed wound healing; III. Rickets; IV Sterility in animals
V Failed blood clotting; VI. Night blindness

Which of the following deficiencies is caused by a lack of vitamin A?

A.

I

B.

III

C.

V

D.

VI

Correct answer is D

No explanation has been provided for this answer.