Which city is home to the famous Indian Museum?

Which of the following is not a significance of scientific nomenclature?

Choose the correct sentences regarding biological nomenclature:
$(1)$ Biological names are generally in Latin and written in italics.
$(2)$ The first word in a biological name represents the genus while the second component denotes the specific epithet.
$(3)$ The genus name starts with a capital letter,while the specific epithet starts with a small letter.
$(4)$ The name of the author appears after the specific epithet in an abbreviated form.

Assertion: Systematics is the branch of biology that deals with the classification of living organisms.
Reason: The aim of classification is to group the organisms.

What do the parts labeled $P$ and $Q$ represent in the given figure?

Which of the following statements regarding nomenclature is correct?