Two kingdom classification system used for a long time was inadequate, so a need was felt for including besides gross morphology, other characteristics also. What were these characters which resulted in formation of five kingdom classification system ?
(a) Cell structure
(b) Mode of nutrition
(c) Reproduction
Evolutionary relationship

Options

A. a & b
B. a, b & c
C. a, c & d
D. a, b, c & d

Answer

D