5 kingdom classification was given by
R. H. Whittaker
The correct option is B.
Explanation of the correct option:
Explanation of the incorrect options:
Option A:
Morgan gave the hypothesis of sex-linked characters.
Option C:
Linnaeus gave the binomial system of nomenclature.
Option D:
Haeckel proposed the theory of biogenetical law.
Final answer: 5 kingdom classification was given by R. H. Whittaker.