Waec Biology Past Questions and Answers

Question 56:

• WAEC 1989

Group instinct or social behaviour is not displayed in

A. Soldier ants
B. Bees
C. Chickens
D. Weaver birds
E. Termites

Question 57:

• WAEC 1989

Which of the following fixes atmospheric nitrogen?

A. Rhizobium
B. Nitrosomonas
C. Nitrobacter
D. Putrefying bacteria
E. Denitrifying bacteria

Question 58:

• WAEC 1989

The spaces between neutrones through which impulses cross by means of chemical reaction are called

A. Axons
B. Ganglia
C. Synapses
D. Dendrites
E. Pia mater

Question 59:

• WAEC 1989

The inability of some individuals to perceive the taste of some substances is an example of

A. Individual adaptation
B. Physiological variation
C. Morphological variation
D. Morphological adaptation
E. Physical variation

Question 60:

• WAEC 1989

The term afforestation is used in describing

A. Harvesting of natural forest resources
B. Planting trees of value to man
C. Fallowing of forestland
D. Felling of trees in the forest
E. Recycling of waste forest products.