Waec Biology Past Questions and Answers

Question 1816:

• WAEC 1988

The relationship between a herbivore and the bacteria which live in its caecum is known as

A. Parasitism
B. Symbiosis
C. Commensalism
D. Saprophytism
E. Predation

Question 1817:

• WAEC 1988

Autotropic nutrition may be defined in terms of food obtained

A. From other organisms in exchange for some products.
B. By the breakdown of complex substances
C. By an organism utilizing its own store of energy
D. By synthesizing simple substances using energy from an external source
E. In a synthesized form from other living organism.

Question 1818:

• WAEC 1988

Which of the following is not classified as a terrestrial habitat?

A. Forest
B. Guinea Savannah
C. Afro Alpine
D. Littoral zone
E. Desert

Question 1819:

• WAEC 1988

Which of the following does not contribute to the biomass in an ecosystem?

A. Producers
B. Food chains
C. Consumers
D. Micro-organisms
E. Saprophytes

Question 1820:

• WAEC 1988

Which of the following is not a characteristic feature of tropical rain-forest habitat?

A. Trees with longer boles than those in Savannah
B. Fewer canopy strata than the savannah
C. Many more trees and climbers than savannah
D. Plenty of leaf litter on the ground
E. More diverse communities than the savannah