Which one of the following is NOT an example of "Ex-Situ" biodiversity conservation efforts in India?

Wildlife Sanctuary

The correct answer is Option (4) → Wildlife Sanctuary

Ex-situ conservation means conserving species outside their natural habitat.

• Zoo → Ex-situ
• Botanical Garden → Ex-situ
• Gene Bank → Ex-situ
• Wildlife Sanctuary → In-situ conservation (within natural habitat)