The rank given to groups of organisms arranged at different levels of classification is called ...........

The only taxonomic category that has a real existence is...

Match column $I$ with column $II$ for housefly classification and select the correct option using the codes given below.

Column-$I$	Column-$II$
$(A)$ Family	$(i)$ Diptera
$(B)$ Order	$(ii)$ Arthropoda
$(C)$ Class	$(iii)$ Muscidae
$(D)$ Phylum	$(iv)$ Insecta

The statement "Taxonomy without phylogeny is similar to bones without flesh" was proposed by:

Which of the following is a matching set in taxonomy?

$I$ - Species,$II$ - Kingdom,$III$ - Class,$IV$ - Genus,$V$ - Family,$VI$ - Phylum,$VII$ - Order
Categories classified based on similar characteristics - $P$
Categories classified based on a group of characteristics - $Q$
Select the correct option for $P$ and $Q$.
$P\quad\quad\quad\quad\quad Q$