With reference to Indian forests, consider the following pairs: 1. Tropical Moist Deciduous Forests Sandalwood (Santalum album) 2. Tropical Dry Deciduous Forests: (Shorea robusta) 3. Tropical Thorn Forests: Shisham (Dalbeigia sissoo) Which of the pairs given above is/are correctly matched? [IAS 2001] (a) 1 only (b) 1 and 2 only (c) 2 and 3 only (d) 1, 2 and 3