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JAMB Biology 1990 Question 25

Question 25

Growth and Development

Etiolation is caused by the influence of

  1. A.mineral salts
  2. B.water
  3. C.carbondioxide
  4. D.light
Show the answer and explanation

Answer: D (light)

Explanation

Plants grown without light become etiolated: pale, with long thin stems and small leaves.