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Question

Transpiration ____ with wind speed.


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Solution

Transpiration:

  1. Transpiration is the mechanism by which plants lose water vapor through their stomata.
  2. The water loss from the plant in the form of vapor cools the plant.

Effect of wind speed on transpiration:

  1. In transpiration, water loss from leaves to the environment depends on the rate of diffusion.
  2. Diffusion refers to the molecule flow from the areas of higher concentration to the areas of lower concentration.
  3. The water molecules which have already evaporated from the leaf are observed to be carried away by the fast wind, and thus the air encircling the leaf is replaced with drier air.
  4. As a result, the rate of transpiration is increased when there is a low water concentration air surrounding the leaf.

Final Answer: Transpiration increases with wind speed.


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