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.

2,416.

Primary growth in plants is brought about by the activity of the

A.

meristem

B.

endodermis

C.

epidermis

D.

mesophyll

Correct answer is A

No explanation has been provided for this answer.

2,417.

Which of the following activities would revive the plant?

A.

Covering the plant with dark paper to prevent further water loss from its surfaces

B.

Leaving the plant to adapt to the condition

C.

Exposing the plant to higher concentration of oxygen

D.

Adding more water to the soil

Correct answer is D

No explanation has been provided for this answer.

2,418.

A pupil accidentally "watered" a potted plant with concentrated salt solution after sometime the plant began to wilt. The wilting of the plant is due to the fact that

A.

the root hair die off and can no longer absorb water

B.

the salt solution causes faster rate of transpiration leading to the death of the plant cell

C.

the salt solution has caused water lost from the plant cell leading to loss of turgor

D.

the plant tissue has been poisoned by the salt which is absorbed by the plant

Correct answer is C

No explanation has been provided for this answer.

2,419.

The living materials of the cell consist of

A.

nucleus and cytoplasm

B.

cytoplasm and vacuole

C.

cytoplasm and cell membrane

D.

nucleus and cell membrane

Correct answer is A

No explanation has been provided for this answer.

2,420.

Which of the following features does not necessarily place paramecium as a higher level of organisation over Amoeba?

A.

Presence of cilia

B.

Absence of pseudopodia

C.

Presence of micro and mega nuclei

D.

Presence of more than one food vacuole

Correct answer is A

No explanation has been provided for this answer.