Himgiri variety which is resistant to hill bunt disease belongs to taxon in which pollen grains lose viability within 10 minutes of their release. The taxon belongs to

Options

A. Sapindales
B. Polemoniales
C. Rosales
D. Poales.

Answer

To solve the question regarding the Himgiri variety, which is resistant to hill bunt disease and belongs to a specific taxon where pollen grains lose viability within 10 minutes of their release, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Himgiri Variety**:
- The Himgiri variety is a specific type of wheat that is known for its resistance to hill bunt disease.

**Hint**: Remember that Himgiri is a variety of wheat, which is important for understanding its classification.

2. **Determine the Plant Family**:
- Wheat belongs to the family Poaceae, which is commonly known as the grass family.

**Hint**: Look for the family classification of wheat to narrow down the taxon.

3. **Identify the Order**:
- The order that includes wheat (Poaceae) is called Poales.

**Hint**: Familiarize yourself with the orders of flowering plants and their corresponding families.

4. **Analyze the Taxon Options**:
- The options given are:
- Sapindales
- Polymoniales
- Rosales
- Poales
- Since we established that wheat belongs to the order Poales, we can eliminate the other options.

**Hint**: Compare the characteristics of each taxon to see which one aligns with wheat.

5. **Conclusion**:
- The correct taxon that the Himgiri variety belongs to is **Poales**.

**Final Answer**: The taxon belongs to **Poales**.

### Summary of the Steps:
- Identify the plant (Himgiri variety as wheat).
- Determine the family (Poaceae).
- Identify the order (Poales).
- Analyze the options and conclude that the answer is Poales.