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Biology Past Questions and Answers

Waec Biology Questions

Question 331:

Which of the following performs the same function as the contractile vacuole of a unicellular organism?

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A Kidney
B Alimentary canal
C Liver
D Pancreas
E Bladder

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Question 332:

Which of the following represents the correct order in a possible food chain?

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A Crustacean -> diatom -> fish -> man
B Fish -> crustacean -> man -> diatom
C Man -> fish -> crustacean -> diatom
D Diatom -> crustacean -> fish -> man
E Man -> diatom -> fish -> crustacean

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Question 333:

Which of the following relationships illustrates competition?

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A Cattle egret moving along with cattle
B Goats and cows grazing on a small grass lawn
C Mosses succeeding lichens in a rocky terrain
D Red mangrove swamp dying and replaced by white mangrove
E Forest trees, shrubs and grasses replacing white mangrove in a swamp

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Question 334:

Which of the following agents is responsible for the dispersal of the seed shown above?

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A Man
B Water
C Wind
D Explosive mechanism
E Animal

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Question 335:

The structure used by fishes to detect the presence and movement of other animals
by the vibration they produce is the

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A Eye
B Nostril
C Lateral line
D Scales
E Fins

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