The concept of "Biosphere Reserve" was evolved by

Options

A. Government of India
B. Zoological Survey of India
C. UNESCO
D. IUCN.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the origin of the concept of "Biosphere Reserve." We need to identify which organization or entity is responsible for its evolution.

2. **Identifying the Options**: The options provided are:
- A) Government of India
- B) Geological Survey of India
- C) UNESCO
- D) IUCN

3. **Researching the Concept**: The concept of Biosphere Reserves is linked to the idea of conserving biodiversity while allowing for sustainable development. It is essential to find out which organization initiated this concept.

4. **Recognizing the Correct Organization**: The concept of Biosphere Reserves was developed under the UNESCO's Man and the Biosphere (MAB) program. This program was established to promote sustainable development based on scientific research and education.

5. **Conclusion**: Based on the information gathered, the correct answer to the question is C) UNESCO.

**Final Answer**: The concept of "Biosphere Reserve" was evolved by UNESCO.

---