5-Kingdom classification has given by
(a) Morgan
(b) R. Whittaker
(c) Linnaeus
(d) Haeckel
The answer is (b)
R. Whittaker gave 5-kingdom classification. It includes Monera, Protista, Fungi, Plantae and Animalia. This classification was based on cell structure, cellular organisation, mode of nutrition etc.
The correct option is (b) R. Whittaker