What are the levels of organization with conceptual size shown in the figure below?

Which of the following statements are not correct?
$(i)$ The number of characteristics in common increases down the hierarchy.
$(ii)$ Order is the assemblage of genera which exhibit a few similar characters.
$(iii)$ Cat and dog are included in the same family Felidae.
$(iv)$ Binomial nomenclature was introduced by Carolus Linnaeus.

Based on the levels of organization in biological sciences,what does the part marked '$P$' represent?

Which of the following statements are correct regarding biological names?

Match Column-$I$ (Scientist) with Column-$II$ (Contribution) and select the correct option:

Column-$I$ (Scientist)	Column-$II$ (Contribution)
$(a)$ Carolus Linnaeus	$(i)$ New Systematics
$(b)$ Julian Huxley	$(ii)$ Five Kingdom Classification
$(c)$ Whittaker	$(iii)$ Plant Classification Systems
$(d)$ Bentham and Hooker	$(iv)$ Binomial Nomenclature

Which of the following statements is $NOT$ true for a species?