Waec Geography 1991 Past Questions and Answers

Question 21:

• WAEC 1991

Which of the following does not intervene in the natural environment?

A. Construction works
B. Pollution
C. Harmattan
D. Land reclamation
E. Farming

Question 22:

• WAEC 1991

The most critical element in an ecosystem is the

A. Growth per day
B. Energy flow within the system
C. Number of species in the system
D. Extent of area covered by the system
E. Location of the system

Question 23:

• WAEC 1991

Which of the following does not encourage desertification?

A. Large- scale irrigation schemes
B. Reduction in mean annual rainfall
C. Overgrazing and overcultivation
D. Bush burning
E. Indiscriminate felling of trees

Question 24:

• WAEC 1991

The active human population is determined by its

A. Racial combination
B. Male-female ratio
C. Age distribution
D. Height difference
E. Density per km²

Question 25:

• WAEC 1991

The active human population is determined by its

A. Racial combination
B. Male-female ratio
C. Age distribution
D. Height difference
E. Density per km²