Which one of the following option is correct?

Options

A. `{:(" "A," "B," "C),("Wheat","Pusa Shubhara","Boll worms"):}`
B. `{:(" "A," "B," "C),("Brassica","Pusa Komal","Fruit borer"):}`
C. `{:(" "A," "B," "C),("Wheat","Pusa Komal","Boll worms"):}`
D. `{:(" "A," "B," "C),("Flat beans","Pusa Sem 2","Fruit borer"):}`

Answer

**Step-by-Step Solution:**

1. **Identify the Crops and Their Varieties:**
- The question presents several crops along with their respective varieties and the diseases or insects they are resistant to. We need to analyze each option carefully.

2. **Evaluate Each Option:**
- **Option A:** Wheat - Variety: Cauliflower - Resistant to: Black rot and curl blight.
- This is incorrect because cauliflower is not a variety of wheat.

- **Option B:** Brassica - Variety: Pusa Kumal - Resistant to: Fruit borer.
- This is incorrect because Pusa Kumal is actually a variety of cowpea and is resistant to bacterial blight, not fruit borer.

- **Option C:** Pusa Kumal - Resistant to: Bulwam.
- This is also incorrect as Pusa Kumal is not a variety of wheat and does not match the resistance mentioned.

- **Option D:** Flat bean - Variety: Pusa Sem - Resistant to: Fruit borer.
- This is correct. Pusa Sem is indeed a variety of flat bean and is resistant to fruit borer, along with other pests like aphids.

3. **Conclusion:**
- After evaluating all options, the correct answer is **Option D**: Flat bean - Variety: Pusa Sem - Resistant to: Fruit borer.

**Final Answer: D**

---