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Question

Aerenchyma occurs in

A
Epiphyes
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B
Halophyes
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C
Hydrophytes
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D
Xerophytes
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Solution

The correct option is C Hydrophytes
Aerenchyma is majorly found in aquatic and wetland plants. Aerenchyma is a modified parenchyma, where the cells are arranged with regular air chambers in between to facilitate diffusion of gases in and out. They also provide buoyancy to hydrophytes like lotus and water hyacinth that help them float on water. Above picture shows aerenchymathe tissues in the transverse section of a hydrilla stem, which is a hydrophyte.
1401558_695475_ans_b3e4eb4d7381465e874e281c78e45c94.png

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