The matching between the plants and their respective families is as follows:
- Indian Jalap is from the Convolvulaceae family, so (A) matches with (II).
- Tooth Brush Tree is from the Apocynaceae family, so (B) matches with (I).
- Indian Oleander is from the Apocynaceae family, so (C) matches with (I).
- Ceylon Oak is from the Sapindaceae family, so (D) matches with (III).
Thus, the correct matching is (A)
-(II), (B)
-(I), (C)
-(I), (D)
-(III).