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Question

Velamen and spongy tissue is found in

A
Breathing roots
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B
Parasitic roots
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C
Tuberous roots
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D
Epiphytic roots
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Solution

The correct option is D Epiphytic roots
Velamen is a spongy layer of dead cells, that covers the aerial roots of most orchids and certain other plants and may serve to absorb atmospheric moisture. Velamen is a spongy, multiple epidermis, that covers the roots of some epiphytic or semi-epiphytic plants. It is thick and capable of absorbing atmospheric moisture and nutrients.

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