Option 1 -> Dibru-Saikhowa is correctly matched with Assam, Dehang Debang with Arunachal Pradesh, Seshachalam with Andhra Pradesh, and Nokrek with Meghalaya.
Option 2 -> Incorrectly places Dibru-Saikhowa in Meghalaya and Dehang Debang in Assam.
Option 3 -> Incorrectly places Dibru-Saikhowa in Meghalaya and Nokrek in Assam.
Option 4 -> Contains formatting error "(IIII)" and incorrectly places Seshachalam in Assam and Nokrek in Arunachal Pradesh.
Hence, Option 1: (A) - (II), (B) - (IV), (C) - (I), (D) - (III) -> Dibru-Saikhowa Biosphere Reserve is located in the floodplains of Brahmaputra River in Assam; Dehang Debang spans across Arunachal Pradesh's hill ranges; Seshachalam Hills Biosphere Reserve is in the Eastern Ghats of Andhra Pradesh; and Nokrek is located in the Garo Hills of Meghalaya, known for its wild citrus species -> correct