Which of the following pairs is mismatched?

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(C) $1$. $Azospirillum$ is a nitrogen-fixing bacterium that associates with the roots of grasses like maize,so it is a correct match.$2$. $Mycorrhiza$

Vedclass · Accepted Answer

$VAM$ - Mycoherbicide

Vedclass · Answer

(C) $1$. $Azospirillum$ is a nitrogen-fixing bacterium that associates with the roots of grasses like maize,so it is a correct match.$2$. $Mycorrhiza$ is a symbiotic association between fungi and roots of higher plants like $Pinus$,so it is a correct match.$3$. $VAM$ (Vesicular-Arbuscular Mycorrhiza) is a type of endomycorrhiza that helps in phosphorus absorption,not a mycoherbicide. $A$ mycoherbicide is a fungus used to control weeds (e.g.,$Phytophthora$ $palmivora$). Thus,this pair is mismatched.$4$. $Rotenone$ is a naturally occurring chemical found in the roots of certain tropical plants,used as an insecticide,so it is a correct match.

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