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.

556.

The diagram above is an illustration of a human brain. Study it and answer this question.

The part labelled I is the_________

A.

olfactory lobe

B.

cerebellum

C.

cerebrum

D.

medulla oblongata

Correct answer is C

No explanation has been provided for this answer.

557.

Which of the following statements is not true about hormones?

A.

Their responses are voluntary

B.

They may affect more than one target organ

C.

They are chemical messengers in animals

D.

They are transported by the blood to the target organs

Correct answer is B

No explanation has been provided for this answer.

558.

The process of maintaining a steady internal environment is known as__________

A.

osmoregulation

B.

equilibration

C.

homeostasis

D.

plasmolysis

Correct answer is C

No explanation has been provided for this answer.

559.

Excretory products in plants responsible for the discoloration of flowers are called__________

A.

alkaloids

B.

tannins

C.

anthocyanins

D.

resins

Correct answer is D

No explanation has been provided for this answer.

560.

The products of tissue respiration are_________

A.

glucose, oxygen, and water

B.

oxygen, water, and energy

C.

glucose, carbon dioxide, and energy

D.

water, carbon dioxide, and energy

Correct answer is D

No explanation has been provided for this answer.