Waec Biology Past Questions and Answers

Question 1896:

• WAEC 1996

The following are the effects of overgrazing except

A. Depletion of useful fodder crops
B. Soil and wind erosion of pastureland
C. Epidemic of cattle diseases
D. Migration of herdsmen
E. Scarcity of good pastureland

Question 1897:

• WAEC 1996

Which of the following is not a way of conserving natural resources?

A. Adopting good farming practices
B. Establishing forest reserves
C. Establishing of game reserves
D. Encouraging poaching
E. Protecting the endangered species

Question 1898:

• WAEC 1996

The need for conservation includes the following except to

A. Keep natural resources for future generations
B. Preserve them for scientific and recreational purposes
C. Maximise the use of natural resources
D. Make sure the natural resources are not used
E. Ensure that everybody benefits from the natural resources.

Question 1899:

• WAEC 1996

Which of these is not a hereditary variation?

A. Infant paralysis
B. Blood group
C. Sickle cell
D. Shape of face and nose
E. Colour of hair.

Question 1900:

• WAEC 1996

One of Mendel’s experiments was repeated by crossing a red variety of pepper with that of a yellow variety
which produced all red offspring. The red offspring were then self pollinated and these produced both red
and yellow pepper. The yellow colour can be said to be

A. Dominant to red
B. Recessive to red
C. Homozygous to red
D. Heterozygous to red
E. Linked to red