ECOLOGY - Jamb Biology Past Questions and Answers

Question 171:

• JAMB 2000

The surest way to combine the best qualities of both parents in the offspring is by

A. Cross-breeding
B. Inbreeding
C. Selective breeding
D. Pure breeding

Question 172:

• JAMB 2000

A certain savanna grasshopper changes colour from green during the rainy season to brown during the dry season and black after dry season bush fires. The reason for these colour changes is that the

A. Grasshopper is getting older
B. Environmental temperature is changing
C. Grasshopper is avoiding predation
D. Grasshopper is frequently moulting

Question 173:

• JAMB 2000

Complex social behaviour and organization are found mostly in

A. Insects
B. Birds
C. Reptiles
D. Mammals

Question 174:

• JAMB 2001

An association between the root nodule of a leguminous plant and rhizobium sp, is known as

A. Commmensalism
B. Mycorrhiza
C. Parastism
D. Symbiosis

Question 175:

• JAMB 2001

An association between the root nodule of a leguminous plant and rhizobium sp, is known as

A. Commmensalism
B. Mycorrhiza
C. Parastism
D. Symbiosis