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Question

Name the following:

Permanently open structures seen on the bark of an old woody stem.


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Solution

Lenticels

  1. Lenticels are permanent openings in the bark of woody stems.
  2. The proportion of lenticular transpiration is hardly 0.1% of the total transpiration.
  3. The number of lenticels in a plant is very small.
  4. Lenticular transpiration occurs day and night.

Hence, permanently open structures seen on the bark of an old woody stem are called lenticels.


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