$A$ group of species with a common ancestor is known as:

What skills should a student of taxonomy possess?

Which taxonomic term may be suggested for any rank in the classification?

Match column $I$ with column $II$ and choose the correct option.

Column-$I$	Column-$II$
$A$. Family	$V$. Solanaceae
$B$. Kingdom	$IV$. Plantae
$C$. Order	$II$. Polymoniales
$D$. Species	$I$. tuberosum
$E$. Genus	$III$. Solanum

Describe the hierarchical arrangement of taxonomic categories with a flow chart.

Four statements are given below regarding the nomenclature of organisms. Which two statements are correct?
$(1)$ The first name denotes the species and the second denotes the genus.
$(2)$ $A$ species name used for one organism cannot be used for another organism.
$(3)$ Each word in a handwritten scientific name must be underlined.
$(4)$ It is mandatory to write the sub-species name after the species name for every organism.