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Question

Plants like Nymphaea which are attached emerged hydrophytes float on the surface of water with the help of

A
Chlorenchyma
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B
Sclerenchyma
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C
Aerenchyma
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D
Collenchyma
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Solution

The correct option is C Aerenchyma
The hydrophytes have aerenchyma cells which are modified form of parenchyma cells in the leaf of the Nymphaea plant. These cells have air spaces which allow the flow of air between the leaf tissues. The presence of air makes the leaves lighter and they can float on the surface of the water. This type of cells are present in the leaves and floating structures of the aquatic plants.
Thus, the correct answer is option C.

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