Which of the following pairs is incorrectly matched?

Artificial system of classification was given by $A$ and based on $B$. Fill in the blanks with respect to $A$ and $B$. Choose the correct option.

Which of the following statements are incorrect based on the Whittaker classification system?
$I.$ Whittaker classified organisms into unicellular and multicellular based on the complexity of cell structure.
$II.$ Whittaker classified organisms as producers,decomposers,and consumers based on their ecological roles.
$III.$ Organisms were divided into unicellular and multicellular based on the complexity of body organization.
$IV.$ Prokaryotic and eukaryotic organisms were divided based on their mode of nutrition.

Which of the following criteria is included in Whittaker's five-kingdom classification system?

How many of the following groups are included in microorganisms?
Protozoa,Bacteria,Porifera,Fungi,Bryophytes,Viruses,Viroids,Prions

What is the correct sequence of Whittaker's five kingdoms?