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Mycorrhizae are useful for plants because they

A. fix atmospheric nitrogen.

B. enhance absorption of nutrients from the soil.

C. kill insects and pathogen.

D. provide resistance against abiotic stresses.

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Correct Answer : B.


Mycorrhizae is symbiotic association between fungi and roots of higher plants, e.g., in the roots of Pinus. This association provides the fungus with a renewable source of food through access to fixed carbon (sugars) from the plant photosynthate.

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