Waec Biology 2009 Past Questions and Answers

Question 36:

• WAEC 2009

Which of the following organisms is a primary consumer?

A. Dog
B. Sheep
C. Grass
D. Fungus

Question 37:

• WAEC 2009

P → Q → R → S → T

he organism designated P in the food chain above is normally sustained by energy from

A. Sunlight
B. Carbohydrates
C. Green plants
D. Mineral salts.

Question 38:

• WAEC 2009

P → Q → R → S → T

Which of the following statements best describes the organism designated R? It

A. Feeds on S
B. Is a primary consumer
C. Is a producer as well as a consumer
D. Is a secondary consumer

Question 39:

• WAEC 2009

Food chains are relatively short because

A. Of energy recycling in the ecosystem
B. Energy gain at each trophic level is high.
C. Of energy loss at each trophic level
D. Energy flow in an ecosystem is uni-directional.

Question 40:

• WAEC 2009

which of the following organisms does not show colour adaptation to its environment?

A. Chameleon
B. Earthworm
C. Fish
D. Toad