Which of the following is NOT an example of in- situ conservation strategy?

1. A

   Biosphere reserve

   A biosphere reserve protects landscapes, ecosystems and species in their natural setting, with core, buffer and transition zones. That is in-situ conservation on the ground. This option is therefore an example of in-situ strategy, not the exception.

2. B

   Botenical garden

   A botanical garden keeps living plants in a managed collection away from their original wild habitat. Seeds, living specimens and display beds are ex-situ tools. Because the question asks what is NOT in-situ, this option is the official key.

3. C

   National Park

   A national park is a legally notified area where ecosystems are conserved in place, with strict limits on exploitation. Wildlife and habitat remain in the wild. This is in-situ conservation, so it is not the key.

4. D

   Sacred groves

   Sacred groves are community-protected forest patches conserved in their original location for religious or cultural reasons. Species stay in their habitat. This is in-situ, so it is not the key.

Summary. Official key is (b) Botanical garden. In-situ conservation protects species in their natural ecosystems: biosphere reserves, national parks and sacred groves all do that. A botanical garden, like a zoo or seed bank, holds organisms outside the wild. The stem asks for the strategy that is not in-situ. Only (b) is ex-situ.