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.

911.

Etiolation is caused by the influence of

A.

Mineral Salts

B.

Water

C.

Carbondioxide

D.

Light

Correct answer is D

Etiolation is a process in flowering plants grown in the partial or complete absence of light. It is characterized by long, weak stems; smaller leaves due to longer internodes; and a pale yellow color.

912.

Examples of micronutrients include the following except

A.

Vitamin A

B.

Vitamin B6

C.

Biotin

D.

carbon

Correct answer is D

Carbon is a macronutrient.

913.

A distinguishing feature of mammals is the possession of

A.

Skin

B.

Scale

C.

Nail

D.

Hair

Correct answer is D

The following features is exactly what makes a mammal a mammal, and not a reptile, a bird, or a fish: Hair, Middle Ear Bones, Sweat Glands, and Temperature regulation.

914.

The following are kidney diseases EXCEPT

A.

diuresis

B.

Hepatitis

C.

kidney stones

D.

nephritis

E.

oedema

Correct answer is B

No explanation has been provided for this answer.

915.

The gland close to the trachea is the

A.

Pancreas

B.

Liver

C.

Adrenal

D.

Thyroid

Correct answer is D

The thyroid gland, along with the esophagus, pharynx, and trachea, is found within the visceral compartment of the neck