Out of the four statements (1-4) given below, | vedclass

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(C) $R$.$H$. Whittaker proposed the Five Kingdom classification system in $1969$.The main criteria used by Whittaker for his classification include:$1

Vedclass · Accepted Answer

$1$ and $2$

Vedclass · Answer

(C) $R$.$H$. Whittaker proposed the Five Kingdom classification system in $1969$.The main criteria used by Whittaker for his classification include:$1$. Cell structure (Cell complexity: Prokaryotic vs Eukaryotic).$2$. Thallus organization (Body organization).$3$. Mode of nutrition (Autotrophic vs Heterotrophic).$4$. Reproduction.$5$. Phylogenetic relationships (Evolutionary relationships).Comparing these with the given statements:Statement $(1)$ refers to cell complexity,which is a criterion.Statement $(2)$ refers to the mode of nutrition,which is a criterion.Statement $(3)$ refers to phylogenetic relationships,which is a criterion.Statement $(4)$ refers to habitat,which was used by earlier systems (like Linnaeus) but not by Whittaker.Since the question asks for two correct statements and options are provided,we look for the combination that fits. Both $(1), (2)$ and $(2), (3)$ are technically correct criteria. However,in standard textbook contexts,the primary criteria often highlighted are cell structure and mode of nutrition. Thus,$(1)$ and $(2)$ are the most appropriate choice.

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