The active chemical drug reserpine is obtained from

Options

A. a) Datura
B. b) Rauwolfia
C. c) Altropa
D. d) Papaver

Explanation

To determine the source of the active chemical drug Reserpine, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Drug**: Recognize that Reserpine is an antihypertensive drug used to treat high blood pressure.

2. **Evaluate the Options**: The question provides four options from which Reserpine could be derived:
- A) Datura
- B) Rauwolfia
- C) Altropa
- D) Pepawar

3. **Analyze Option A (Datura)**: Datura is known to be a poisonous plant. It is not recognized for providing any medicinal drugs, including Reserpine. Therefore, this option is incorrect.

4. **Analyze Option B (Rauwolfia)**: Rauwolfia is a flowering plant, specifically known for its medicinal properties. Reserpine is indeed isolated from Rauwolfia. This makes this option correct.

5. **Analyze Option C (Altropa)**: Altropa is known for yielding atropine, another chemical but not Reserpine. Thus, this option is incorrect.

6. **Analyze Option D (Pepawar)**: Pepawar, also known as poppy, is primarily known for producing opium. It does not produce Reserpine, making this option incorrect.

7. **Conclusion**: After evaluating all options, the correct answer is **Option B: Rauwolfia**, as Reserpine is isolated from this plant.

### Final Answer:
The active chemical drug Reserpine is obtained from **Rauwolfia**.

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