Which one of the following is an endangered plant species of India?
(a) Rauwolfia serpentina
(b) Santalum album (Sandalwood)
(c) Cycas beddonei
(d) All of the above

Options

A. Rauwolfia serpentina
B. Santalum album (Sandalwood)
C. Cycas beddonei
D. All of the above

Answer

To determine which of the listed options is an endangered plant species of India, we need to analyze each option based on their conservation status.

### Step-by-Step Solution:

1. **Understanding Endangered Species**:
- Endangered species are those that are at risk of extinction. They are listed in the IUCN Red List under various categories, including endangered, vulnerable, and critically endangered.

2. **Analyzing Option A: Rauwolfia serpentina**:
- Commonly known as Indian snake root, Rauwolfia serpentina is recognized for its medicinal properties. It is included in the IUCN Red List as an endangered species due to habitat loss and over-exploitation.

3. **Analyzing Option B: Santalum album (Sandalwood)**:
- Santalum album, or sandalwood, is highly valued for its aromatic heartwood. Due to overharvesting and illegal logging, it has also been classified as endangered.

4. **Analyzing Option C: Cycas beddonei**:
- Cycas beddonei is a species of cycad that is native to India and is also listed as endangered due to habitat destruction and collection for ornamental purposes.

5. **Conclusion**:
- Since all three options (A, B, and C) are recognized as endangered plant species in India, the correct answer is **(d) All of the above**.

### Final Answer:
**(d) All of the above**

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