A tautonym is

Options

A. non Latinised
B. same name for genus and species
C. common name used as scientific name
D. unscientific explanation of a phenomenon

Answer

**Step-by-Step Solution:**

1. **Understanding the Term "Tautonym":**
- A tautonym is a specific type of scientific name in biological nomenclature.
- It consists of the same word used for both the genus and species of an organism.

2. **Identifying the Structure of a Scientific Name:**
- A scientific name is composed of two parts: the genus name (first part) and the species name (second part).
- In a tautonym, both parts are identical.

3. **Example of a Tautonym:**
- An example of a tautonym is "Rattus rattus," where "Rattus" is both the genus and species name for the common rat.

4. **Evaluating the Options:**
- The options given in the question are:
a) Non-latinized name
b) Same name for genus and species name
c) Formal name is a scientific name
d) Non-scientific explanation of a phenomenon
- From the definition and example, the correct option is (b) "Same name for genus and species name."

5. **Conclusion:**
- Therefore, a tautonym is defined as a scientific name where the genus and species names are the same.

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