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Question

Identify the plant having both spongy petiole and submerged assimilatery roots

A
Typha
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B
Eichhornia
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C
Tinospora
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D
Trapa
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Solution

The correct option is D Trapa
In trapa the petiole becomes swollen and spongy due to the development of aerenchyma. The type of petioles encloses much air and helps the plant to float. It is a hydrophytic adaptation e.g., Trapa bispinosa and Eichhornia. Trapa is an aquatic plant with green submerged roots.
Therefore, the correct answer is option A.
510353_475808_ans_78c58b9c18fb4d7587403409d05d573a.jpg

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