Waec Biology 2017 Past Questions and Answers

Question 36:

• WAEC 2017

Which of the following pyramids gives the most accurate picture of the relationships between at the various trophic levels in a food chain? A pyramid of

A. Numbers
B. Energy
C. Biomass
D. Size

Question 37:

• WAEC 2017

Which of the following statements is not associated with pyramids of energy?

A. Efficiency of energy transfer between trophic levels can be studied
B. Comparisons of pyramids for different ecosystems can be made
C. More accurate comparisons of trophic levels
D. Representation of numbers of organisms at different trophic levels

Question 38:

• WAEC 2017

Which of the following materials is not easily biodegradable?

A. Polythene bag
B. Cotton bag
C. Hides and Skin bag
D. Paper bag

Question 39:

• WAEC 2017

Which of the following pairs of organisms is in a mutualistic relationship?

A. Hydra and Sea anemone
B. Hermit crab and Sea anemone
C. Dodder plant and Cocoa plant
D. Mistletoe and Kolanut

Question 40:

• WAEC 2017

The establishment of game reserves and parks is a method of

A. Conserving natural resources
B. Cultivating game
C. Controlling pollution
D. Cultural awareness