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Biology Past Questions and Answers

Jamb Biology Questions

Question 31:

Which of the following statement is correct about the experiment?

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A The flask must be of the conical type
B Caustic soda can be replaced with distilled water
C The enclosed leaf will lose its green colour
D The leaves outside the flask serve as control

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Question 32:

The experimental set-up can be used to demonstrate that

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A Light is necessary for photosynthesis
B Oxygen is necessary for photosynthesis
C Photosynthesis occurs in the leaves of plants
D Carbon (IV) oxide is necessary for photosynthesis

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Question 33:

When a marine fish was taken from the ocean and put in a tank of fresh water, it died after a short period because

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A The tank was too small compare to the large ocean
B The body cells of the fish swelled and burst as a result of the hypotonic fresh water
C The body cells of the fish shrank as their sap was hypertonic to the fresh water
D There was no food in the tank, so the starved.

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Question 34:

Which of the following pairs of organ is located in the anterior half of the mammalian body cavity?

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A Kidneys and lungs
B Heart and ovary
C Lungs and heart
D Kidneys and heart

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Question 35:

The mode of nutrition exhibited by a tapeworm is

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A Symbiotic
B Saprophytic
C Parasitic
D Holozoic

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