Question

In the five kingdom system, the main basis of classification:

• A. Structure of nucleus
• B. Nutrition
• C. Structure of cell wall
• D. Asexual reproduction

Answer 1

The correct option is B

Nutrition

The correct option is B.

Explanation of the correct option:

1. The five-kingdom classification was given by Robert Whittaker in 1969.
2. It differentiated the organism on the basis of:

• cell structure
• body organization
• mode of nutrition
• mode of reproduction
• phylogenetic relationship

Final answer: In the five-kingdom system, the main basis of classification is nutrition.