In the binomial nomenclature of an organism,whose name is written in an abbreviated form after the specific epithet?

What is a group of species that share a common ancestor called?

Assertion $A$: Scientific nomenclature provides a precise identification of an organism.
Reason $R$: Every organism is given two names,a generic name and a specific epithet.
Which option is correct for Assertion $A$ and Reason $R$?

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?

What is required for the formation of a Genus?

Which of the following is incorrect regarding the rules of nomenclature?