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JAMB Biology 1983 Question 44

Question 44

Transport in Plants

Which of the following statements about the rate of transpiration is INCORRECT? It is

  1. A.dependent on temperature
  2. B.affected by changes in light intensity
  3. C.unaffected by humidity
  4. D.dependent on air movement
  5. E.affected by availability of water
Show the answer and explanation

Answer: C (unaffected by humidity)

Explanation

Humidity strongly affects transpiration: humid air slows water loss from leaves and dry air speeds it up.