ECOLOGY - Jamb Biology Past Questions and Answers

Question 191:

• JAMB 2002

The excessive use of agro-chemicals could lead to the pollution of

A. The lithosphere
B. The atmosphere
C. Fresh water
D. Space

Question 192:

• JAMB 2002

In a population study using the transect method, a student is likely to record the highest number of species in

A. A tropical rain forest
B. A guinea savanna
C. A sahel savanna
D. An estuarine swamp

Question 193:

• JAMB 2002

Animals aestivate when the environment in which they live becomes

A. Hot and dry
B. Cold and wet
C. Warm and humid
D. Windy and snowy

Question 194:

• JAMB 2002

When a marine fish was taken from the ocean and put in a tank of fresh water, it died after a short period because

A. The tank was too small compare to the large ocean
B. The body cells of the fish swelled and burst as a result of the hypotonic fresh water
C. The body cells of the fish shrank as their sap was hypertonic to the fresh water
D. There was no food in the tank, so the starved.

Question 195:

• JAMB 2002

In a population of living things, the parameters of size, height, weight and colour are examples of

A. Discontinuous variation
B. Continuous variation
C. Physiological variation
D. Non-heritable variation