This question asks you to match a list of isotopes with their respective applications.

List-I contains the isotopes, while List-II contains the applications.

Option 1:

- A is matched with option 3, C is matched with option 2, and D is matched with option 1.

Option 2:

- A is matched with option 4, C is matched with option 2, and D is matched with option 1.

Option 3:

- A is matched with option 4, B is matched with option 1, C is matched with option 2, and D is matched with option 3.

Option 4:

- A is matched with option 3, B is matched with option 1, C is matched with option 2, and D is matched with option 4.

The correct answer is option 3, as it correctly matches all the isotopes with their respective applications.

- A (Isotope of Uranium) is matched with option 4 (Nuclear fuel).

- B (Isotope of Cobalt) is matched with option 1 (Treatment of cancer).

- C (Isotope of Iodine) is matched with option 2 (Treatment