In woody trees, the exchange of gases between the outer atmosphere and the internal tissue of the stem takes place through
A
Aerenchyma
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B
Stomata
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C
Pheumatophores
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D
Lenticels
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E
Trichomes
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Solution
The correct option is D Lenticels Lenticels are lens shaped openings in the trunk of woody trees. They ensure gaseous exchange in woody stems. The opening of lenticels is not regulated.