Waec Biology Past Questions and Answers

Question 116:

• WAEC 1990

Which of the following factors is not associated with aquatic habitat?

A. Temperature
B. Light intensity
C. Turbidity
D. Wave action
E. Humidity.

Question 117:

• WAEC 1990

Which of the following types of soil has the highest water-retaining capacity?

A. Clay
B. Laterite
C. Loam
D. Gravel
E. Sand

Question 118:

• WAEC 1990

Changes in energy flow between organisms in a habitat can be represented by a

A. Pyramid of biomass
B. Pyramid of numbers
C. Pyramid of energy
D. Food chain
E. Food web

Question 119:

• WAEC 1990

Which of the following processes is not involved in the carbon cycle?

A. Burning
B. Decay
C. Transpiration
D. Respiration
E. Photosynthesis

Question 120:

• WAEC 1990

Which of the following processes are involved in a water cycle?

A. Evaporation, condensation and precipitation
B. Evaporation, percolation and transpiration
C. Evaporation and precipitation
D. Evaporation and transpiration
E. Precipitation and condensation.