Tobacco is obtained from

Options

A. Diospyros melanoxylon
B. Nicotiana tabacum
C. Nicotiana rustica
D. both b and c

Answer

**Step-by-Step Solution:**

1. **Identify the Source of Tobacco**: Tobacco is primarily obtained from specific plants. The most well-known species are Nicotiana tabacum and Nicotiana rustica.

2. **Examine the Options**: The question provides several options:
- Diosproids
- Nicotiana tabacum
- Nicotiana rustica
- B and C (which refers to Nicotiana tabacum and Nicotiana rustica)

3. **Determine the Correct Answer**:
- Nicotiana tabacum is the primary source of commercial tobacco used in products like cigarettes and cigars.
- Nicotiana rustica is another species of tobacco, often referred to as Aztec tobacco or wild tobacco, which is also used but less commonly than Nicotiana tabacum.
- Diosproids is not related to tobacco.

4. **Conclusion**: Since both Nicotiana tabacum and Nicotiana rustica are sources of tobacco, the correct answer is option B and C.

**Final Answer**: Tobacco is obtained from Nicotiana tabacum and Nicotiana rustica.

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