Scientific names were first standardized through

Options

A. ICBN
B. ICZN
C. BSI
D. ZSI

Answer

### Step-by-Step Solution:

1. **Understanding Scientific Names**: Scientific names are used to uniquely identify organisms. This system of naming is crucial for clear communication in the scientific community.

2. **Nomenclature Definition**: The term "nomenclature" refers to the system of naming organisms. It ensures that each species has a unique and universally accepted name.

3. **International Codes**: There are two main international codes that standardize scientific names:
- **ICBN**: International Code for Botanical Nomenclature, which deals with the naming of plants.
- **ICZN**: International Code for Zoological Nomenclature, which deals with the naming of animals.

4. **ICBN's Role**: The ICBN was the first to standardize scientific names for plants. It established rules and guidelines for naming plants, ensuring consistency and universality.

5. **Example of Nomenclature**: An example of a scientific name is "Mangifera indica" for mango. Here, "Mangifera" is the genus name and "indica" is the species name.

6. **Conclusion**: Based on the above information, the correct answer to the question "Scientific names were first standardized through" is **ICBN**.

### Final Answer:
**Scientific names were first standardized through ICBN (International Code for Botanical Nomenclature).**

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