Which group of taxonomic categories is based on similar characteristics?

Which of the following $statement(s)$ is/are not correct?
$(i)$ Genus comprises a group of related species which has more characters in common in comparison to species of other genera.
$(ii)$ Three different genera such as Solanum,Datura and Petunia are placed in the family Malvaceae.
$(iii)$ In case of plants,classes with a few similar characters are assigned to a higher category called Division.

Which of the following options shows an increase in the degree of dissimilarity between organisms as we move from one taxonomic category to another?

Define and explain the following taxonomic term: Family.

Match Column-$I$ with Column-$II$ regarding taxonomic categories of humans and choose the correct answer:

Column-$I$	Column-$II$
$A$. Family	$I$. Primata
$B$. Order	$II$. Hominidae
$C$. Class	$III$. Chordata
$D$. Phylum	$IV$. Mammalia

Read the following statements :
$(i)$ Classification is a single step process.
$(ii)$ Classification involves a hierarchy of steps in which each step represents a rank or category.
$(iii)$ Taxon is a unit of ecological hierarchy.
$(iv)$ Mango does not represent any taxon.
$(v)$ Taxonomic categories are distinct biological entities and not merely morphological aggregates.
How many of the above statements are correct?