WAEC Biology Past Questions & Answers - Page 131

651.

Which of the following can be considered as a direct evidence of evolution?

A.

Classification

B.

Comparative anatomy

C.

Comparative embryology

D.

Fossil record

Correct answer is D

No explanation has been provided for this answer.

652.

The following are social insects except

A.

wasps

B.

termites

C.

bees

D.

cotton stainer

Correct answer is D

No explanation has been provided for this answer.

653.

Which of the following is an adaptation by plants to reduce the rate of water loss in a dry habitat? Possession of

A.

a few sunken stomata on the lower epidermis only

B.

long leaf tendrils

C.

leaves with serrated edges

D.

strong tap root

Correct answer is A

No explanation has been provided for this answer.

654.

The genes affecting the same trait and are located at the same position on the homologous chromosomes
are called

A.

autosomes

B.

alleles

C.

loci

D.

chromatids

Correct answer is B

No explanation has been provided for this answer.