Multiple choice

Which of the following statements are untrue?

  1. Transpiration is regulated by guard cells.

  2. Transpiration stops when air is fully saturated.

  3. Transpiration is dependent upon absorption of water from the soil.

  4. Transpiration takes place from aerial parts of the plant.
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This is untrue. Transpiration continues for some time even after saturation of outside air.

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