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Algal zone is...

Question

Algal zone is characteristic of:

A

Normal roots f Cycas

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B

Roots of Pinus

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C

Stem of Cycas

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D

Coralloid roots of Cycas

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Solution

The correct option is D Coralloid roots of Cycas
Algal zone is present in coralloid roots of Cycas with blue-green algae like Anabaena & Nostoc for nitrogen fixation.

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