Q.Find the wrongly matched pair.
Step 1. Check each pairing against the chapter's definitions. (a) Endemism means a species confined to one region and found nowhere else — this matches the standard definition exactly.
Step 2. (b) The Western Ghats are repeatedly named in the chapter (and in Indian conservation literature generally) as a recognised biodiversity hotspot with high endemism, so this pairing is correct.
Step 3. (c) Ex-situ conservation is defined in the chapter as protecting species outside their natural habitat, explicitly listing zoological parks as one example — correct pairing.
Step 4. (e) Eichhornia crassipes, commonly called water hyacinth, is described in the chapter as an alien invasive species introduced into India — correct pairing.
Step 5. (d) Sacred groves are community- or temple-protected forest patches; Tamil Nadu's own documented groves and India's well-known sacred-grove traditions in Rajasthan are associated with communities such as the Bishnoi, not a site named 'Saintri hills' — this label does not correspond to a genuine, recognised sacred-grove location, making it the mismatched pair.
The wrongly matched pair is (d) Sacred groves – Saintri hills of Rajasthan; all four other pairs correctly match the term to its definition or example.
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