| List-1 (Enzyme Class) | List-II (Type of reaction catalysis) | ||
| A | Oxidoreductases | I | Cleavage of C-C, C-O, C-N or other bonds by elimination |
| B | Transferases | II | Transfer of electrons (hydride ions or H atoms) |
| C | Lyases | III | Group transfer reaction |
| D | Ligases | IV | Formation of C-C, C-S, C-O and C-N bonds by condensation reaction |
Choose the correct answer from the options given below
Match the cells in Column I with their primary function in Column II. 
Match the hypersensitivity type with its example. 