(a) Sumatra
(b) Borneo
(c) Java
(d) Sri Lanka
Answer: (a)
The Andaman and Nicobar Islands are the largest archipelago system in the Bay of Bengal, consisting of 306 islands and 206 rocks and rocky outcrops and covering a total area of about 8200 sq km. Only 38 of these islands are inhabited, 11 in the Andaman group and 13 in the Nicobars. This large archipelago is separated from mainland India by about 1000 km. The nearest landmass in the north is Myanmar, roughly 280 km from Landfall Island, the northernmost island in the group.
Option (a) is correct: The closest landmass to Great Nicobar in the south is Sumatra, which is located at a distance of 145 km.
Additional Information:
O Indira Point, the southernmost point of India, is the southern point of Great Nicobar Island. O Andaman and Nicobar Islands are separated by a water body which is called the Ten Degree channel. y Barren island, the only active volcano in India, is also situated in the Nicobar Islands.
O The coastal line has some coral deposits and beautiful beaches. These islands receive convectional rainfall and have an equatorial type of vegetation. Some important mountain peaks in Andaman and Nicobar Islands are Saddle peak, Mount Diavolo, Mount Koyob and Mount Thuillier.

