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WAEC Biology 2021 Question 9

Question 9

Cell and Its Environment

A plant cell placed in a solution with a higher water potential will

  1. A.expand and then shrink.
  2. B.enlarge and become turgid.
  3. C.expand and then burst.
  4. D.decrease in size and become flaccid.
Show the answer and explanation

Answer: B (enlarge and become turgid.)

Explanation

Water moves from the solution (higher water potential) into the cell by osmosis. The cell swells until the cell wall resists, making it turgid.