Commensalism is the interaction in which

Mycorrhiza represents

Identify the organism that is $NOT$ involved in commensalism.

Select the statement that best describes parasitism.

Observe the set of $4$ figures $A$,$B$,$C$ and $D$ and answer the following questions:
$(i)$ Which one of the figures shows mutualism?
$(ii)$ What kind of association is shown in $D$?
$(iii)$ Name the organisms and the association in $C$.
$(iv)$ What role is the insect performing in $B$?

Select the mismatched pair regarding parasitism.