JAMB Biology Past Questions & Answers - Page 221

1,101.

When an animal has a dark-coloured dorsal surface and a light-colouration ventral surface, this is an adaptation called

A.

concealment colouration

B.

countershading

C.

colour blending

D.

disruptive colouration

Correct answer is B

No explanation has been provided for this answer.

1,102.

When a peacock displays its colourful feathers, it is

A.

ready for a fight

B.

protecting itself from predators

C.

protecting its mate from predators

D.

courting a female

Correct answer is D

No explanation has been provided for this answer.

1,103.

The association in which one member benefits and the other is relatively unaffected by the interaction is termed

A.

symbiosis

B.

parasitism

C.

commensalism

D.

mutualism

Correct answer is C

No explanation has been provided for this answer.

1,104.

A yellow maize is crossed with a white maize and the first filial generation produce yellow maize only. The white trait is said to exhibit

A.

dominance

B.

recessiveness

C.

codominance

D.

incomplete dominance

Correct answer is B

No explanation has been provided for this answer.

1,105.

A non-renewable alternative source of energy is

A.

wind generator

B.

solar panels

C.

nuclear energy

D.

hydroelectric power

Correct answer is C

No explanation has been provided for this answer.