Which Indian geography term is associated with important geographical feature “Lakshadweep is mainly of coral origin” and also with “Barren Island in the Andaman Sea is associated with India's active volcano”?

Correct Answer: Option C — Indian island groups. Indian island groups is correct because it is Lakshadweep is mainly of coral origin. It is also associated with Barren Island in the Andaman Sea is associated with India's active volcano, which provides a second reliable identifying clue. These features are standard physical-geography facts and are useful for map-based and statement-based competitive-exam questions. Why the other options are incorrect: Option A — Indian mainland: It is has the Himalayas in the north and the Indian Ocean to the south; this is the specific geographical association of Indian mainland. Option B — Tropic of Cancer: It is crosses eight Indian states; this is the specific geographical association of Tropic of Cancer. Option D — Indian Standard Meridian: It is passes near Mirzapur in Uttar Pradesh; this is the specific geographical association of Indian Standard Meridian. Exam Takeaway: Connect Indian island groups with “Lakshadweep is mainly of coral origin” for quick revision.