Which one of the following sets of roots are similar, as they all help to stick to the substratum by becoming flat?

Prop and Stilt

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Clinging and Hold fast

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Respiratory and Reproductive

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Coralloid and Mycorrhizae

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Solution

The correct option is B Clinging and Hold fast
Clinging roots are adventitious roots that penetrate the cracks. These are flat so that can stick to the substratum and hold the support by claws. Holdfast is a root-like flat structure observed at the base of algae, which help them to anchor themselves to the substratum. Thus option B is the correct answer.

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