Symbiotic interactions of plants and animals - Jamb Biology Past Questions and Answers

Question 11:

• JAMB 1991

A food web is more stable than a food chain because

A. It contains more organisms
B. It has greater energy source
C. It is not easy to destroy
D. Every organism has an alternative source

Question 12:

• JAMB 1992

Which organism in the pyramid functions as a tertiary consumer?

A. Algea
B. Shark
C. Tadpole
D. Tilapia

Question 13:

• JAMB 1994

The correct order in a food chain involving the organisms (1)Grasses, (2)Hawks, (3)Snakes, (4)Grasshopper, (5)Lizards is

A. 1 2 3 4 5
B. 5 4 3 2 1
C. 1 4 5 3 2
D. 3 2 4 5 1

Question 14:

• JAMB 1994

The organisms with the least number of individuals in a pyramid of numbers are the

A. Secondary consumers
B. Tertiary consumers
C. Primary producers
D. Primary consumers

Question 15:

• JAMB 1995

In a food chain involving a primary producer, a primary consumer as well as a secondary consumer, the sharing of trophic energy is in the form that the

A. The primary consumer has more energy than the primary poducer
B. Secondary consumer takes up all the energy contents of the primary consumer
C. Energy is shared equally between the three groups of organism
D. Secondary consumer gets only a small portion of the energy contained in the primary producer