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Question:

Five kingdom system of classification, suggested by R.H. Whittaker, is based on: Presence or absence of a well-defined nucleus, Complexity of body organization, Mode of nutrition

All of the above

Complexity of body organization

Mode of nutrition

Presence or absence of a well-defined nucleus

Solution:

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.