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Biology 1983 JAMB Past Questions

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46
The main function of 6 is to
  • 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
View Answer & Discuss (6) JAMB 1983
47
The main function of 4 is to
  • A. surround inner tissues
  • B. produce cork
  • C. produce root hairs
  • D. produce lateral roots
  • E. produce more of 3
View Answer & Discuss (7) JAMB 1983
48
Which of the labelled part in the figure above will develop into new bulb?
  • A. 1
  • B. 4
  • C. 2
  • D. 3
  • E. 5
View Answer & Discuss (6) JAMB 1983
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49
If an isolated living cell is left in distilled water for two hours, it is likely to
  • 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
View Answer & Discuss (8) JAMB 1983
50
Which of the following will not allow osmosis to take place
  • A. pig's bladder
  • B. cellophane
  • C. parchment paper
  • D. transparent polythene
  • E. cow's bladder
View Answer & Discuss (3) JAMB 1983
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