Atropine, an alkaloid, is obtained from

Options

A. Datura anaroxia
B. Atropa belladona
C. Hyocyamus niger
D. Withania somnifera

Answer

**Step-by-Step Solution:**

1. **Identify the Substance**: The question asks about Atropine, which is an alkaloid. Alkaloids are naturally occurring chemical compounds that mostly contain basic nitrogen atoms.

2. **Understand the Function of Atropine**: Atropine is known for its effects on the central nervous system, particularly in slowing down the heart rate and potentially causing hallucinations when consumed.

3. **Determine the Source**: The primary source of Atropine is the plant known as Atropa belladonna. This plant is commonly referred to as deadly nightshade.

4. **Evaluate Other Options**: The question may provide other options for potential sources of Atropine. It is important to evaluate these options:
- Datura Anaroxia: Not a source of Atropine.
- Datura Stramonium: Can be a source of Atropine.
- Hyoscyamus Niger: Not a source of Atropine.
- Pithecellobium Dulce: Not a source of Atropine.

5. **Conclude the Answer**: Based on the information, the correct answer to the question "Atropine, an alkaloid, is obtained from" is **Atropa belladonna**.

**Final Answer**: Atropine is obtained from **Atropa belladonna**.

---