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.

3,396.

The part of the mammalian digestive system where nutrient absorption takes place is the

A.

ileum

B.

colon

C.

oesophagus

D.

duodenum

Correct answer is A

No explanation has been provided for this answer.

3,398.

The dark reaction of photosynthesis involves the

A.

reduction of carbon(IV)oxide to organic

B.

release of oxygen and the splitting of water

C.

photolysis of water and the production of starch

D.

splitting of water into hydrogen

Correct answer is A

No explanation has been provided for this answer.

3,399.

If water that has been coloured red is poured at the base of a wilting plant, it will appear as a red stain in the cells of the 

A.

xylem

B.

epidermis

C.

phloem

D.

parenchyma

Correct answer is A

No explanation has been provided for this answer.

3,400.

The stunted growth of a leguminous plant suffering from nitrogen deficiency may be corrected by inoculating the soil with

A.

denitrifying bacteria

B.

Saprophytic bacteria

C.

Rhizobium

D.

Nitrosomonas

Correct answer is C

No explanation has been provided for this answer.