Question

Assertion: Scientific name Malus malus is illegitimate
Reason: It is tautonym
A) Both Assertion and Reason are correct and Reason is the correct explanation for Assertion.
B) Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion.
C) Assertion is correct but Reason is incorrect.
D) Both Assertion and Reason are incorrect.

Answer 1

Hint: The name of organisms is written according to binomial nomenclature. It consists of two parts first is genus and second is species. The scientific name Malus malus is illegitimate and does not follow binomial nomenclature.

Complete Answer:
Tautonyms are zoological names of species Malus malus. The generic name and the specific name have the same spelling in the tautonyms. These names are allowed in zoology, but not in the field where the species names are much different.
Tautonym is a scientific name of a species in which spelling of both parts of the name is the same .In binomial nomenclature each part of species according to binomial nomenclature first is generic and second part is species. In generic names the initial letter is capital letter and in species it is written in small letters. Malus is a 30-35 species of small deciduous tree or shrub in the family of Rosaceae. It is also known as the apple family.
Both the assertion and reason are correct and Reason is the correct explanation for Assertion.

So, the correct answer is option A.

Note:
Malus is subdivided into eight sections. Some of them are given here: Malus angustifolia is commonly known as Southern apple. It is found in southern states from Florida west to eastern and north to New jersey. Malus coronaria (Sweet crabapple) is Found in the great lakes region of the United state.
Malus ioensis (Prairie crabapple) is found in the upper Mississippi valley, United States. Malus doumeri (Taiwan crabapple) is Found in guangxi. Malus trilobata (Crabapple) three lobed tree apple that is found in west and south asia, north Israel. Crab-apples are categorised in ornamental trees and it provides blossom in the spring season and fruit in the winter season.