ECOLOGY - Jamb Biology Past Questions and Answers

Question 216:

• JAMB 2005

The population density of Tridex in an abandoned square farm land of side 200 m was found to be 5 plants per m². The population size of the plant on the farm is

A. 40
B. 1000
C. 40000
D. 200000

Question 217:

• JAMB 2005

Secondary succession is much faster than primary succession because

A. Pioneer colonizers are more in number
B. Soil is already present
C. Secondary seres require less nutrients
D. Species competition is increased

Question 218:

• JAMB 2005

which of the following is used to test for the presence of lime in a soil sample?

A. H₂SO_4(aq)
B. NaOH_(aq)
C. HCl_(aq)
D. HNO_3(aq)

Question 219:

• JAMB 2005

The importance of practising crop rotation in agriculture is to

A. Maintain soil fertility
B. Improve the nutritional value of crops
C. Control soil erosion
D. Ensure the growth of crops

Question 220:

• JAMB 2005

The recycling method of solid waste disposal is unsuitable for

A. Organic matter
B. Glass
C. Plastic
D. Metal scraps