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WAEC Biology 2016 Question 5

Question 5

Transport in Plants

Plant A was seen to appear as plant B after seven hours. Study the diagrams carefully. The environmental factors responsible for the condition in plant B are

Diagram for this question
  1. A.low humidity and low temperature.
  2. B.high humidity and low temperature.
  3. C.low humidity and high temperature.
  4. D.high humidity and high temperature.
Show the answer and explanation

Answer: C (low humidity and high temperature.)

Explanation

Dry (low-humidity) and hot air makes water evaporate from the leaves fastest, so the plant loses water quickly and wilts.