Which of the following is an example of a microorganism?

Identify the incorrect statement.

Match the Column-$I$ with Column-$II$ and select the correct option from the codes given below:-

Column-$I$	Column-$II$
$(A)$ Chief producers in oceans	$(i)$ Slime moulds
$(B)$ Red Tides	$(ii)$ Diatoms
$(C)$ Plasmodium	$(iii)$ Euglenoids
$(D)$ Mixotrophic nutrition	$(iv)$ Dinoflagellates

Which one single organism or the pair of organisms is correctly assigned to its taxonomic group?

Assertion $A$: Slime molds are known as bread molds.
Reason $R$: The cell wall of molds is made up of cellulose.
Which option is correct for Assertion $A$ and Reason $R$?

Select the correct pair from the following.