Statement $S$: Presence of a rigid cell wall and nucleoprotein as genetic material. Statement $R$: Examples include Euglena,Dinoflagellates,Amoeba,and Paramecium.

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

Select the correct combination of the statements $(i-iv)$ regarding the characteristics of certain organisms.
$(i)$ Methanogens are archaebacteria which produce methane in marshy areas.
$(ii)$ Nostoc is a filamentous blue-green alga which fixes atmospheric nitrogen.
$(iii)$ Chemosynthetic autotrophic bacteria synthesize cellulose from glucose.
$(iv)$ Mycoplasma lack a cell wall and can survive without oxygen.
The correct statements are:

What is the main basis of classification in the Five Kingdom system?

Match the columns:

Column-$I$	Column-$II$
$(a)$ Saprotrophs	$(i)$ Organisms that make their own food
$(b)$ Omnivores	$(ii)$ Organisms that feed on dead and decaying matter
$(c)$ Autotrophs	$(iii)$ Organisms that eat both plants and animals
$(d)$ Herbivores	$(iv)$ Organisms that eat only plants

Which kingdoms include decomposers?