Solution

R.H. Whittaker in 1969 introduced a Five Kingdom Classification. The kingdoms characterize by him were titled Monera, Protista, Fungi, Plantae, and Animalia.
The main principle for analysis used by him include complexity of cell structure (it may be eukaryotic or prokaryotic), complexity of organisms (unicellular or multicellular), thallus organisation, mode of nutrition (autotrophs or heterotrophs or acrophobic), reproduction (sexual or asexual) and phylogenetic relationships (prokaryotes to eukaryotes, unicellular to multicellular organism).

So, the correct answer is option B.