| List-I (Name of crop) | List-II (Disease of crop) |
| (A) Paddy | (I) Red rot |
| (B) Cotton | (II) Loose smut |
| (C) Groundnut | (III) Tikka (Leaf spot) |
| (D) Gram | (IV) Rust |
The objective is to align the crops in List-I with their corresponding diseases in List-II. Utilizing agricultural expertise, the accurate pairings are determined as follows:
| List-I (Name of crop) | List-II (Disease of crop) |
| (A) Paddy | Tikka (Leaf spot) - III |
| (B) Cotton | Loose smut - II |
| (C) Groundnut | Red rot - I |
| (D) Gram | Rust - IV |
The reasoning for each pairing is as follows:
The definitive matching sequence is: (A) - (III), (B) - (II), (C) - (I), (D) - (IV).