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.

1,726.

Which of the following statements is true about the ABO blood group system? 

A.

Antigens are located on the surface of white blood cells

B.

Antibodies are located in the blood plasma

C.

Antibodies are located on the surface of red blood cells

D.

Antigens are located in the blood plasma

Correct answer is B

No explanation has been provided for this answer.

1,727.

The following pairs of traits are examples of continuous and discontinuous variations respectively except

A.

eye Colour and body weight

B.

height and blood group

C.

skin colour and fingerprints

D.

bodyweight and tongue rolling

Correct answer is A

No explanation has been provided for this answer.

1,728.

The primary cause of species endangerment is

A.

disappearing habitats

B.

increase in temperatures

C.

acid rain

D.

exposure to hazardous wastes

Correct answer is A

No explanation has been provided for this answer.

1,729.

Which of the following factors would be least likely to act as a density dependent limiting factor in a population of mice?

A.

Buildup of waste products

B.

Predation

C.

Parasitism

D.

Unfavourable climate

Correct answer is C

No explanation has been provided for this answer.

1,730.

The detection of vibro cholera in public drinking water is a sign of

A.

clean water

B.

outbreak of disease

C.

water pollution

D.

decayed organisms in the water

Correct answer is C

No explanation has been provided for this answer.