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.

3,876.

In mammalian development, the function of the yolk is to

A.

supply nutrients to the embryo

B.

act as the shock-absorber to the foetus

C.

supply air to the embryo

D.

facilitates the process of excretion in the foetus

Correct answer is A

No explanation has been provided for this answer.

3,877.

Double fertilization in higher plants is significant because it ensures the

A.

formation of a fertile embryo

B.

formation of a fertile embryo and the endosperm

C.

development of the seed

D.

development of the fruit

Correct answer is B

No explanation has been provided for this answer.

3,878.

What enzymes are contained in the pancreatic juice?

A.

Ptayalin, lipase, and pepsin

B.

Maltase, erepsin, and trypsin

C.

Renin, sucrase, and lipase

D.

Amylase, lipase, and trypsin

Correct answer is D

No explanation has been provided for this answer.

3,879.

The bone of the neck where the skull rests is known as the

A.

odontoid process

B.

axis

C.

atlas

D.

occipital condyle

Correct answer is C

No explanation has been provided for this answer.

3,880.

The excretory organ in insects is the

A.

kidney

B.

malpighian tubule

C.

flame cell

D.

nephridium

Correct answer is B

No explanation has been provided for this answer.