Study the following statements regarding Biodiversity conservation:
I. Sacred groves are examples of in-situ conservation.
II. National parks allow private ownership of land within their boundaries.
III. Wild life sanctuaries may permit limited eco-tourism under regulation.
IV. Ex-situ conservation includes seed banks and cryopreservation.
Step 1: Concept Methods and policies of biodiversity conservation (in-situ vs. ex-situ).
Step 2: Analysis
* Statement I is correct: Sacred groves are protected areas representing in-situ conservation.
* Statement II is incorrect: National parks are strictly protected and generally do not allow private ownership or grazing.
* Statement III is correct: Wildlife sanctuaries often permit regulated activities like limited eco-tourism.
* Statement IV is correct: Seed banks and cryopreservation are established methods for ex-situ conservation.
Step 3: Conclusion Statements I, III, and IV are correct.