Waec Biology 1997 Past Questions and Answers

Question 41:

• WAEC 1997

Which of the following is an abiotic factor?

A. Predation
B. Rainfall
C. Cropping
D. Grazing
E. Migration

Question 42:

• WAEC 1997

The maximum and minimum thermometer is used to measure

A. Light intensity
B. Highest and lowest temperature of the day
C. Atmospheric pressure
D. Highest and lowest amount of rainfall in a month
E. Soil temperature

Question 43:

• WAEC 1997

Which of the following organisms will have the highest biomass?

A. Small fish
B. Tadpole
C. Hawk
D. Phytoplankton
E. Big fish

Question 44:

• WAEC 1997

Which of the following is the correct sequence for energy transfer and nutrient cycling among living things
in an ecosystem?

A. Consumers → producers → decomposers
B. Producers → decomposers → consumers
C. Decomposers → producers → consumers
D. Producers → consumers → decomposers
E. Consumers → decomposers → producers

Question 45:

• WAEC 1997

Which of the following factors does not affect the distribution of organisms in an aquatic habitat?

A. Turbidity
B. Depth of water
C. Humidity
D. Temperature
E. Availability of nutrient