LSD is obtained from

Options

A. Cannabis
B. Claviceps
C. Fusarium
D. Nostoc

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks from which source LSD is obtained. LSD is a well-known hallucinogenic drug.

2. **Identifying the Options**: The options provided are:
- a) Cannabis
- b) Claviceps
- c) Fusarium
- d) Nostoc

3. **Researching LSD**: LSD is chemically known as lysergic acid diethylamide. It is derived from a specific type of fungus.

4. **Identifying the Source of LSD**: LSD is obtained from the ergot extract of a fungus. The specific fungus from which ergot is derived is called **Claviceps purpurea**.

5. **Analyzing the Options**:
- Cannabis is not the source of LSD.
- Claviceps is the correct answer since it refers to Claviceps purpurea.
- Fusarium and Nostoc are not related to the production of LSD.

6. **Conclusion**: Based on the information, the correct answer is option **b) Claviceps**.

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