Question

Which of the following is not the main criteria for five-kingdom system of classification?

• A. Cell structure and thallus organization
• B. Mode of nutrition and reproduction
• C. Phylogenetic relationship is observed
• D. Gram staining

Answer 1

The correct option is D Gram staining

R. H. Whittaker proposed the five kingdom classification. The five kingdom classification are- Monera, Protista, Fungi, Plantae and Animalia. The basis of classification is by the comparison of the cell structure, body organization, mode of nutrition, lifestyle and phylogenetic relationships. These criteria formed the basis of classification of the diverse form of organisms. The Gram staining method is used for identification of the Gram's nature of the bacterium.

Thus, the correct answer is option D.