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JAMB Biology 2008 Question 19

Question 19

Cell and Its Environment

What will happen when two equal sized pieces of unripe pawpaw labelled X and Y are dropped into equal volumes of concentrated salt solution and distilled water respectively?

  1. A.Pawpaw X will become turgid
  2. B.Both will increase in size
  3. C.pawpaw Y will become turgid
  4. D.Both will decrease in size.
Show the answer and explanation

Answer: C (pawpaw Y will become turgid)

Explanation

Y is in distilled water, so water enters its cells by osmosis and they become turgid. X loses water to the salt solution and becomes flaccid.