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.

4,361.

O2 released in the process of photosynthesis comes from

A.

CO2

B.

water

C.

sugar

D.

pyruvic acid

Correct answer is B

No explanation has been provided for this answer.

4,362.

Pyorrhoea is a disease of the

A.

nose

B.

gums

C.

heart

D.

lungs

Correct answer is B

Pyorrhoea, or periodontal disease, to give it a proper medical term, is a disease of the gums, it is one of the most widely prevalent diseases. It affects the membrane surrounding the roots of the teeth and leads to loosening of the teeth, pus formation, and shrinkage of the gum. This disease is the primary cause for tooth loss among adults.

4,363.

Plants that grow in saline water are called

A.

halophytes

B.

hydrophytes

C.

mesophytes

D.

thallophytes

Correct answer is A

No explanation has been provided for this answer.

4,364.

Other than spreading malaria, anopheles mosquitoes are also vectors of

A.

dengue fever

B.

filariasis

C.

encephalitis

D.

yellow fever

Correct answer is B

No explanation has been provided for this answer.

4,365.

Primary phloem develops from

A.

lateral meristem

B.

protoderm

C.

extrastelar cambium

D.

provascular tissue

Correct answer is D

No explanation has been provided for this answer.