National Botanical Research Institute consists of

Options

A. Dried and preserved plant specimens only
B. Collection of preserved plant and animals specimens
C. Flora, manuals and monographs only
D. Collection of living plants for reference

Answer

### Step-by-Step Solution:

1. **Understanding the Question**: The question asks about what the National Botanical Research Institute (NBRI) consists of. This requires knowledge about the functions and collections of the NBRI.

2. **Identifying the Options**: The options provided are:
- A) Dried and preserved plant specimens only
- B) Collection of preserved plant and animal specimens
- C) Flora manuals and monographs only
- D) Collection of living plants for reference

3. **Analyzing Each Option**:
- **Option A**: Dried and preserved plant specimens are typically kept in a herbarium, which is not the primary focus of NBRI.
- **Option B**: A collection of preserved plant and animal specimens is usually found in a museum, not specifically in NBRI.
- **Option C**: Flora manuals and monographs are important for identification but do not represent the main collection of NBRI.
- **Option D**: The collection of living plants for reference is a key aspect of botanical gardens and research institutes, including NBRI.

4. **Conclusion**: After analyzing the options, it is clear that the National Botanical Research Institute primarily consists of a **collection of living plants for reference**. This aligns with the purpose of botanical gardens, which is to provide a living collection for research and educational purposes.

5. **Final Answer**: The correct answer is **D) Collection of living plants for reference**.