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.

857.

The greatest contribution to genetic studies was made by 

A.

Gregor Mendel

B.

Thomas Morgan

C.

Charles Darwin

D.

Robert Hooke

Correct answer is A

Gregor Mendel is considered the founder of modern science of genetics.

858.

Two unconscious patients X and Y whose blood group genotypes are AO and AB respectively were transfused with the blood from the same donor. Patient X immediately showed signs of difficulty in breathing while patient Y showed no negative reaction.

What should the hospital have done to prevent X from showing the symptom described above? Patient X should have

A.

undergone an agglutination test

B.

been asked for the blood group

C.

been screened for HIV

D.

undergone malaria test

Correct answer is A

The basic technique in identification of the antigens and antibodies of blood groups is the agglutination test and can be done to prevent the clumping of the red blood cell. The symptom is due to clumping due to incompatible blood transfusion.

860.

Conservation of wildlife is necessary mainly because 

A.

wild species cannot resist disease better than their domesticated species

B.

many predator wild animals help in the control of pests

C.

it prevents extinction of species

D.

many people derive pleasure from observing wild animals

Correct answer is C

Wildlife conservation is necessary for the prevention of the extinction of wildlife. It helps with the preservation of these wild animals.