ECOLOGY - Jamb Biology Past Questions and Answers

Question 281:

• JAMB 2012

The carrying capacity of a habitat is reached when the population growth begins to

A. Increase slowly
B. Increase exponentially
C. Slow down
D. Remain steady

Question 282:

• JAMB 2012

The abiotic factors that control human population include

A. Disease and famine
B. Space and rainfall
C. Flooding and earthquake
D. Temperature and disease

Question 283:

• JAMB 2012

An indigenous method of renewing and maintaining soil fertility is by

A. Clearing farms by burning
B. Planting one crop type
C. Adding inorganic fertilizers yearly
D. Crop rotation and shifting cultivation

Question 284:

• JAMB 2012

The diseases caused by water-borne pathogens include

A. Gonorrhoea and poliomyelitis
B. Typhoid and syphilis
C. Tuberculosis and cholera
D. Typhoid and cholera

Question 285:

• JAMB 2012

Use the diagram above to answer this question.
The graph illustrates

A. The highest frequency for height of 2 metres
B. A discontinuously varying character
C. A continuously varying character
D. Total yield in a cassava farm