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Question

The breathing and respiration in woody stem of a plant takes place through:

A
closed stomata
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B
root hair
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C
lenticels
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D
open stomata
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Solution

The correct option is C lenticels
Correct answer: (b) lenticels.
In hard and woody stems, breathing and respiration take place through lenticels, which are specialised openings for gaseous exchange.
Lenticels are small pores with large intercellular spaces in the periderm scattered all over the bark and are found in all trees.

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