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.

1,521.

The main reason for nuptial flight in termites is to

A.

escape unfavourable conditions

B.

search for food

C.

form new colonies

D.

communicate with one another

Correct answer is C

No explanation has been provided for this answer.

1,522.

In dihybrid inheritance, Mendel considered

A.

a pair of contrasting characters

B.

two pairs of contrasting characters

C.

three pairs of contrasting characters

D.

four pairs of contrasting characters

Correct answer is B

No explanation has been provided for this answer.

1,523.

The F1 generation of a cross between a red cock and white hen were all red because the gene for the

A.

white colour did not segregate

B.

red colour was dominant

C.

white colour was dominant

D.

red colour was recessive

Correct answer is B

No explanation has been provided for this answer.

1,524.

A small stem from a hibiscus plant was placed in a nutrient medium and it developed into a new plant. The new plant was reproduced

A.

asexually with a different genotype from the parent plant

B.

sexually with a different genotype from the parent plant

C.

asexually with the same genotype as the parent plant

D.

sexually with the same genotype as the parent plant

Correct answer is C

No explanation has been provided for this answer.

1,525.

Which of the following reagents is used to test for the presence of protein in food?

A.

Benedict solution

B.

Fehling’s Solution

C.

Millon’s reagent

D.

Sudan III

Correct answer is C

No explanation has been provided for this answer.