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Question

If a scientist writes the name of a species as Panthera leo in a printed article without using italics, which rule of scientific naming is violated?

This question was previously asked in
RRB Technician 2026 Grade 3 Question Paper (7-Oct-2026) (Shift 3)
The correct answer is

The name is not italicized

Binomial nomenclature, introduced by Carolus Linnaeus, gives each species a two-part scientific name: genus followed by specific epithet.

Its rules: the genus begins with a capital letter, the species epithet is written in small letters, and the name is italicised when printed (underlined separately when handwritten).

In Panthera leo, the genus Panthera is capitalised, leo is in lowercase and the genus comes first — all correct. The only rule broken is that the name is printed without italics.

So the statements about a lowercase genus, a capitalised species name or the genus coming after the species do not apply here.

Hence, the answer is The name is not italicized.

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