Which of the following domains lacks a cell wall?

In the five-kingdom system,the main basis of classification is

Which of the following is not included in the five-kingdom classification system?

What does the given figure represent?

Natural system of classification was developed by

Consider the following statements with respect to characteristic features of the kingdoms:
$(i)$ In $Animalia$,the mode of nutrition is autotrophic.
$(ii)$ In $Monera$,the nuclear membrane is present.
$(iii)$ In $Protista$,the cell type is prokaryotic.
$(iv)$ In $Plantae$,all organisms have a cell wall.
Of the above statements,which one is correct?