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The table below lists nomenclatural categories in column X along with their description in column Y.Column X Column y a. Homonym i. binomial name cont
Question

The table below lists nomenclatural categories in column X along with their description in column Y.

Column X

Column y

a. Homonym

i. binomial name contains the same epithet for both the genus and species

b. Tautonym

ii. same binomial name given to a plant and an animal

c. Basionym

iii. original name of a taxon on which a new combination is based

d. Hemihomonym

iv. two or more specific or subspecific scientific names with the same spelling, but for different nominal taxa

Which of the following represents the correct sequence of matches?​

A.

a-iv, b-iii, c-ii, d-i

B.

a-i, b-iv, c-iii, d-ii

C.

a-iii, b-ii, c-i, d-iv

D.

a-iv, b-i, c-iii, d-ii

Correct option is D

a. Homonym refers to two or more scientific names that have the same spelling but are applied to different nominal taxa. This matches with iv in Column Y: "two or more specific or subspecific scientific names with the same spelling, but for different nominal taxa."

b. Tautonym refers to a binomial name where the genus and species names are identical. This corresponds to i in Column Y: "binomial name contains the same epithet for both the genus and species."

c. Basionym refers to the original name of a taxon on which a new combination is based. This matches with iii in Column Y: "original name of a taxon on which a new combination is based."

d. Hemihomonym refers to the same binomial name being given to both a plant and an animal. This corresponds to ii in Column Y: "same binomial name given to a plant and an animal."

Information Booster:

  • Homonym: In taxonomy, a homonym occurs when two organisms are given the same scientific name but belong to different taxa.

Example: Rattus rattus

This name is used for two different species:

    • Rattus rattus (the black rat, a rodent species).
    • Rattus rattus (a species of moth in the family Crambidae).
  • Tautonym: Tautonyms are used in cases where the genus and species names are identical, such as Gorilla gorilla.
  • Basionym: A basionym is the original name of a species or taxon, and subsequent name changes often reference this original name.

Example: Panthera leo

1.      Original Basionym: Felis leo (Linnaeus, 1758) — The lion was initially classified under the genus Felis.

2.      New Combination: Panthera leo (Linnaeus, 1758) — Later, it was moved to the genus Panthera, but Felis leo remains the basionym.

  • Hemihomonym: This occurs when the same scientific name is used for both a plant and an animal species, like Gorilla gorilla for the animal and Gorilla genus for plants.

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