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Question

Name the small pore present at the tip of leaves that helps in excretion in plants.

A
Stomata
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B
Lenticel
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C
Heart wood
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D
Hydathode
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Solution

The correct option is D Hydathode
All the given structures help plants in eliminating waste products but hydathode is the small pore present at the tip of leaves through which small plants eliminate excess water. Stomata is a guarded pore present on surfaces of leaves and young stems, lenticels are openings present on stem and heart woods are formed by the accumulation of waste materials in older xylem present at the centre of the tree trunk.

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