Indian Mustard or Rai is

Options

A. Brassica juncea
B. Brassica nigra
C. Brassica rapa
D. Brassica campestris

Answer

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the scientific name of Indian Mustard, also known as Rai.

2. **Review the Options**: The options provided are:
- A) Brassica juncea
- B) Brassica nigra
- C) Brassica rapa
- D) Brassica compestris

3. **Recall the Scientific Name**: Indian Mustard is scientifically known as Brassica juncea. This is a well-known fact in botany.

4. **Understand the Family**: Brassica juncea belongs to the Brassicaceae family, which is commonly known as the mustard family.

5. **Characteristics of Brassica juncea**:
- All parts of the plant (leaves, seeds, and stem) are edible.
- It is used as a spice and is spicier than yellow mustard.
- It is also referred to as brown mustard.

6. **Eliminate Incorrect Options**:
- Brassica nigra is known as black mustard.
- Brassica rapa is known as turnip.
- Brassica compestris is known as field mustard.

7. **Conclude the Answer**: Based on the information, the correct answer is option A) Brassica juncea.

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