(C) The $petiole$ is the stalk that attaches the leaf blade (lamina) to the stem. Its long, thin, and flexible structure allows the leaf blade to flut

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(C) The $petiole$ is the stalk that attaches the leaf blade (lamina) to the stem. Its long, thin, and flexible structure allows the leaf blade to flutter in the wind. This movement helps in cooling the leaf surface and facilitates the exchange of gases by bringing fresh air to the leaf surfaces.

Class 11 Biology Morphology of Flowering Plants Leaf

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$A$ long, thin, flexible $petiole$ allows leaf blades to flutter in wind, thereby cooling the leaf and bringing fresh air to leaf surfaces.

A
Leaf base
B
Lamina
C
Petiole
D
Stipule

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Morphology of Flowering Plants

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Leaf

Identify the given diagrams and mark the correct option.

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Assertion $(A)$: Reticulate venation is observed in the leaves of sunflower.
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$A$ long, thin, flexible $petiole$ allows leaf blades to flutter in wind, thereby cooling the leaf and bringing fresh air to leaf surfaces.

Similar Questions

Identify the given diagrams and mark the correct option.

$A$ leaf is identified from

Leaves are modified into spines in xerophytic structures called:

Which of the following is a rootless aquatic plant in which a portion of the leaf forms a tiny sac for trapping insects?

Assertion $(A)$: Reticulate venation is observed in the leaves of sunflower.Reason $(R)$: Sunflower is included in the class Dicotyledonae.

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Assertion $(A)$: Reticulate venation is observed in the leaves of sunflower.
Reason $(R)$: Sunflower is included in the class Dicotyledonae.