Multiple choice

Under which of the following conditions will plants undergo wilting (loss of rigidity)?

  1. High temperature
  2. High humidity
  3. Heavy rainfall

  1. Only 1

  2. Only 2

  3. Only 3

  4. All of these
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A Correct answer
Explanation

Plants will undergo wilting in case of deficiency of water in the plant body.

1. In case of high temperature, the transpiration rate is more than than absorption of water, which causes water deficiency. 2. In case of high humidity, the transpiration rate decreases and it does not cause deficient gradient. 3. Similarly in case of heavy rainfall, the transpiration rate decreases and it does not cause deficient gradient.

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