Question

Five kingdom system of classification, suggested by R.H. Whittaker, is based on:

• A. Presence or absence of a well-defined nucleus
• B. Complexity of body organization
  
• C. Mode of nutrition
• D. All of the above

Answer 1

The correct option is D All of the above

R.H Whittaker in 1969 proposed a five-kingdom classification. In this system, the arrangement of five kingdoms is based on the following criteria:

i) Cell structure

ii) Body organization

iii) Mode or source of nutrition

Thus, the correct answer is option D.