Step 1: Recall the genus of each common name: sword bean is Canavalia, ivy gourd is Coccinia, cowpea is Vigna, snake gourd is Trichosanthes.
Step 2: Match the exact species: Canavalia gladiata, Coccinia indica, Vigna unguiculata, Trichosanthes anguina.
Step 3: Aligning these against the List-II numbering gives (A)-(IV), (B)-(III), (C)-(II), (D)-(I).
Step 4: The correct answer is option (A)-(IV), (B)-(III), (C)-(II), (D)-(I).