Waec Biology 2008 Past Questions and Answers

Question 31:

• WAEC 2008

Which of the following instruments is used to measure wind speed?

A. Thermometer
B. Barometer
C. Hygrometer
D. Anemometer

Question 32:

• WAEC 2008

Tertiary consumers within the web are

A. Cat and lion only
B. Man and lion only
C. Man and cat only
D. Man, cat and lion

Question 33:

• WAEC 2008

What would be the effect of taking the lion out of the web?

A. The number of organisms at each trophic level would increase
B. Man would occupy the apex of the web
C. There would be more rabbit in the web
D. The energy reaching the remaining trophic would be increase

Question 34:

• WAEC 2008

Which of the following statements about the transfer of energy in the ecosystem is correct?

A. Energy increases at high trophic levels
B. More organisms can be supported at higher levels
C. There are fewer organisms at top tropic levels
D. Energy is lost at each trophic level

Question 35:

• WAEC 2008

Pond weeds normally lack thick layers of cuticle because

A. Their system of photosynthesis is not efficient
B. There is no danger of becoming desiccated
C. Their leaves are either dissected or n bon-shaped
D. There are numerous stoma a on their upper epidermis