Which of the following is opioid drug?

Options

A. Charas
B. Ganja
C. Cocain
D. Heroin

Answer

**Step-by-Step Solution:**

1. **Understanding Opioid Drugs**: Opioid drugs are substances that are used to relieve pain and can induce relaxation. They are derived from the opium poppy plant, specifically from the species *Papaver somniferum*.

2. **Identifying the Source**: The primary source of natural opioids is the opium poppy plant. Opioids can be classified into three categories: natural, semi-synthetic, and synthetic.

3. **Analyzing the Options**: The question provides several options, and we need to identify which one is an opioid drug:
- **Option 1: Charas** - This is a form of cannabis and contains cannabinoids, not opioids.
- **Option 2: Ganja** - This is also derived from cannabis and contains cannabinoids, not opioids.
- **Option 3: Cocaine** - This is an alkaloid derived from the coca plant and is not an opioid.
- **Option 4: Heroin** - This is a semi-synthetic opioid drug, derived from morphine, which in turn is derived from the opium poppy.

4. **Conclusion**: Among the options provided, the only drug that qualifies as an opioid is **Heroin** (Option 4).

**Final Answer**: Heroin is the opioid drug.

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