Jamb Biology 1994 Past Questions and Answers

Question 36:

• JAMB 1994

Ecological succession ends with the formation of a stable

A. Niche
B. Population
C. Pioneer community
D. Climax community

Question 37:

• JAMB 1994

In a drought situation, plants suffer from water stress which could result in

A. Reduced biochemical activities
B. Enhanced chemical activities
C. Enhanced microbial activities
D. Reduced phototropic activities

Question 38:

• JAMB 1994

The water-retention capacity of a soil indicates its

A. Fertility
B. Capilarity
C. Aeration level
D. PH level

Question 39:

• JAMB 1994

People who suck petrol with their mouths run the risk of increasing in their blood the concentration of

A. Iron
B. Lead
C. Calcium
D. Magnesium

Question 40:

• JAMB 1994

The difference and similarities among living things account for

A. Diversity
B. Stability
C. Competition
D. Evolution