Match list I (drug) with list II (action) and select the correct answer using the codes gives below the lists:
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Options

A. A = 2, B = 4, C = 1, D = 3
B. A = 4, B = 1, C = 2, D = 3
C. A = 1, B = 2, C = 4, D = 3
D. A = 3, B = 4, C = 2, D = 1

Answer

To solve the question of matching drugs with their respective actions, we will analyze each drug from List I and determine its corresponding action from List II.

### Step-by-Step Solution:

1. **Identify the Drugs in List I:**
- LSD
- Barbiturate
- Alcohol
- Tobacco

2. **Identify the Actions in List II:**
- Sedative
- Depressant
- Stimulant
- Hallucinogen

3. **Match LSD:**
- LSD (Lysergic Acid Dithiamide) is known for altering senses and causing hallucinations.
- **Match:** LSD → Hallucinogen (Action 4)

4. **Match Barbiturate:**
- Barbiturates are sedatives that act on the central nervous system to induce sleep and treat insomnia.
- **Match:** Barbiturate → Sedative (Action 1)

5. **Match Alcohol:**
- Alcohol is a depressant that decreases the activity of the nervous system and can block certain brain functions.
- **Match:** Alcohol → Depressant (Action 2)

6. **Match Tobacco:**
- Tobacco contains nicotine, which acts as a stimulant by releasing epinephrine and stimulating the nervous system.
- **Match:** Tobacco → Stimulant (Action 3)

7. **Final Matching Summary:**
- A (LSD) → 4 (Hallucinogen)
- B (Barbiturate) → 1 (Sedative)
- C (Alcohol) → 2 (Depressant)
- D (Tobacco) → 3 (Stimulant)

### Final Answer:
- A4, B1, C2, D3