Option 1 -> Botanical Garden is Ex Situ conservation where plants are conserved outside their natural habitat.
Option 2 -> National Park is In Situ conservation protecting species in their natural habitat.
Option 3 -> Wildlife Sanctuaries are In Situ conservation areas safeguarding wildlife in natural ecosystems.
Option 4 -> Biosphere Reserves are In Situ conservation protecting large ecosystems in their natural state.
Hence, Option 1 (Botanical Garden) -> In Situ conservation means protecting biodiversity in natural habitats, while Ex Situ involves conservation outside natural habitats like botanical gardens, zoos, and seed banks -> correct