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.

4,176.

if three 30 cm lengths of glass tubes are tightly packed with clay, sand and loamy soils respectively and then stood in a beaker of water for one week, the level of water will be 

A.

lowest in the tube with clay

B.

the same in all tubes

C.

lowest in the tube with loamy soil

D.

highest in the tube with sandy soil

E.

lowest in the tube with sandy soil

Correct answer is E

No explanation has been provided for this answer.

4,177.

The tips of some rice seedlings were cut off while some were left intact. Both were covered with a container which had not only one small hole to allow light through. After twenty-four hours it was observed that

A.

the cut tips was bent away from the light

B.

 the cut tips bent towards source of light

C.

the intact tips bent away from the light

D.

the intact tips bent towards the light

E.

both tips bent away from light

Correct answer is D

No explanation has been provided for this answer.

4,178.

An organism X lives entirely on the waste products in another organism Y. In this association X is a

A.

symbiont

B.

commensal

C.

saprophyte

D.

parasite

E.

epiphyte

Correct answer is B

No explanation has been provided for this answer.

4,179.

A student trying to find out the order in which organisms appear on a cleared plot is studying one of the following

A.

Ecosystem

B.

Food chain

C.

Food web

D.

Succession

E.

Community

Correct answer is D

No explanation has been provided for this answer.