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.

916.

The dental formula i 3/3, c 1/1, pm 4/4, m 2/3 represents that of a

A.

Cat

B.

Dog

C.

Man

D.

Rabbit

E.

Sheep

Correct answer is B

No explanation has been provided for this answer.

917.

Double fertilization is a unique feature of

A.

Angiosperms

B.

Bryophytes

C.

Pteridophytes

D.

Algae

Correct answer is A

Double fertilization is a complex fertilization mechanism of flowering plants (angiosperms). This process involves the joining of a female gametophyte (mega gametophyte, also called the embryo sac) with two male gametes (sperm).

918.

Which of the following is an anabolic process

A.

Excretion

B.

Fermentation

C.

Photolysis

D.

Photosynthesis

E.

Transportation

Correct answer is D

No explanation has been provided for this answer.

919.

Which of the following organisms maintains a fairly constant body temperature?

A.

Chicken

B.

Fish

C.

Lizard

D.

Toad

E.

Snake

Correct answer is A

No explanation has been provided for this answer.

920.

Swollen, bleeding gums are another common sign of what vitamin deficiency?

A.

Vitamin K

B.

Vitamin B

C.

Vitamin C

D.

Vitamin D

Correct answer is C

Vitamin C deficiency can occur as part of general under nutrition, but severe deficiency results in scurvy. Symptoms include fatigue, depression, and connective tissue defects (eg, gingivitis, petechiae, rash, internal bleeding, impaired wound healing).