An international code of botanical nomenclature was first proposed in the year :–

Options

A. 1930
B. 1830
C. 1913
D. 1813

Answer

To answer the question regarding the year when the International Code of Botanical Nomenclature (ICBN) was first proposed, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks for the year when the International Code of Botanical Nomenclature was first proposed.

2. **Identifying the Acronym**: The acronym ICBN stands for the International Code of Botanical Nomenclature. It is important to know what this code represents.

3. **Historical Context**: The ICBN is a set of rules and guidelines for naming plants scientifically.

4. **Finding the Year of Proposal**: According to historical records, the ICBN was first proposed in the year 1930.

5. **Acceptance of the Code**: Although it was proposed in 1930, it was officially accepted later, in 1961. However, the question specifically asks for the year it was first proposed.

6. **Final Answer**: Therefore, the answer to the question is 1930.

### Conclusion:
The International Code of Botanical Nomenclature was first proposed in the year **1930**.

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