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Statements regarding Frankia are correct...

Statements regarding Frankia are correct except

A

Induction of root nodules in many plant species

B

Like Rhizobium, it infects host through root hair and induces proliferation of cortex

C

Form specialised vesicles in which nitrogenase is protected from oxygen by a chemical barrier involving triterpene hopanoids

D

Cannot fix nitrogen in free state.

Text Solution

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The correct Answer is:
D
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