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Biology Past Questions and Answers

Jamb Biology Questions

Question 46:

The main function of 6 is to

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A Separate 5 from 7
B Produce more of 5 and 7
C Produce cork
D Translocate water and mineral salt
E Conduct carbondioxide to the other plant

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Question 47:

The main function of 4 is to

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A Surround inner tissues
B Produce cork
C Produce root hairs
D Produce lateral roots
E Produce more of 3

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Question 48:

Which of the labelled part in the figure above will develop into new bulb?

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A 1
B 4
C 2
D 3
E 5

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Question 49:

If an isolated living cell is left in distilled water for two hours, it is likely to

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A Lose some of its water to the surrounding water
B Lose all of its water to the surrounding water
C Reproduce by binary fission
D Become more turgid
E Die due to excess water

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