Physical Features of India

The Northern Plains are formed by the alluvium of the Indus, Ganga and Brahmaputra systems. Exam tip: treat these three as the base of the Northern Plains.

The Rann of Kachchh is known as a saline marshy plain. Exam tip: connect it with western Gujarat.

The Nilgiri Hills are linked with the meeting region of Eastern and Western Ghats in South India. Exam tip: remember the Ooty region as a clue.

Anaimalai and Cardamom Hills are located in the southern Western Ghats. Exam tip: link them with Kerala and Tamil Nadu region.

Sahyadri is the traditional name of the Western Ghats. Exam tip: this fact helps in alternate name questions.

Rivers like Mahanadi, Godavari, Krishna and Kaveri cut through the Eastern Ghats. Exam tip: remember Eastern Ghats as discontinuous.

Shiwalik is made of relatively loose deposits, so erosion is high. Exam tip: understand it as the outer and young Himalayan range.

Formed by the enormous alluvial deposits brought by the Ganga and Brahmaputra rivers, this is counted among the world’s largest delta regions. Its southern part is also well known for the Sundarbans mangrove forests. Coral islands, however, are associated with Lakshadweep, not this delta. Exam tip: remember the Ganga-Brahmaputra Delta together with the Sundarbans and mangroves.

The Himalayas reduce the effect of cold winds from the north. Exam tip: link them with both climate and rivers.

The Narmada Valley acts like a major geographical line between the Central Highlands and Deccan region. Exam tip: also remember Narmada as a west flowing river.

The general slope of the Peninsular Plateau is eastward, so many rivers fall into the Bay of Bengal. Exam tip: remember this through east flowing rivers.

Eastern Himalaya receives higher rainfall and has dense vegetation. Exam tip: use Sikkim and Arunachal region as clues.

The Indian plain part of the Indus system is important in Punjab and Haryana. Exam tip: remember Punjab as the land of five rivers.

Doab means the land between two rivers. Exam tip: remember the Ganga Yamuna Doab as a key example.

Western Ghats block monsoon winds and create rain shadow areas. Exam tip: remember windward and leeward slopes.

The Deccan Plateau has a broad triangular shape. Exam tip: remember Western Ghats, Eastern Ghats and Satpura as its boundaries.

In lower plains, a river slows down and forms deposits and meanders. Exam tip: connect this with flood plains.

The direct answer is A: Barren Island is associated with an active volcano. It is in the Andaman region of India and is widely identified in school geography as India’s active volcanic island. Step by step: locate Barren Island in the Andaman and Nicobar group; identify its volcanic origin and continuing volcanic association; select the option that states this fact. Option A is correct. Option B is wrong because a coral atoll is a ring-shaped coral island or reef, not the defining feature of Barren Island. Option C is wrong because the Ganga Delta is on the mainland in eastern India, far from this island group. Option D is wrong because a Thar sand dune is a desert landform made by wind, whereas Barren Island is an oceanic volcanic landform. The word ‘active’ is the important clue. Memory cue: Barren Island—Andaman—active volcano.

The Kaveri Delta belongs to the Coromandel region of the eastern coast. Exam tip: remember Kaveri as a river falling into the Bay of Bengal.

Ladakh has high altitude and low rainfall, so it is called a cold desert. Exam tip: connect it with the Trans Himalaya.

The direct answer is A: Sundarbans—Ganga-Brahmaputra Delta. A delta forms where a river slows down near its mouth and deposits the sediment it carries. The Ganga, Brahmaputra, and their distributaries have built one of the world's largest deltaic regions in the Bay of Bengal. The Sundarbans occupy a major part of this low, tidal delta and are famous for dense mangrove forests, muddy islands, creeks, and tidal channels. Option A is correct because it matches a well-known physical division of India with its location. Option B is wrong: Lakshadweep is a group of coral islands in the Arabian Sea, not a Himalayan glacier. Option C is wrong: the Thar Desert lies mainly in western Rajasthan, while the Eastern Ghats are a separate discontinuous hill system along the eastern side of peninsular India. Option D is wrong: the Shiwalik is an outer Himalayan range, whereas the Deccan Trap is a volcanic basaltic region of the peninsular plateau. These are not the same physical feature. Memory cue: Sundarbans means mangroves, tides, and the Ganga-Brahmaputra delta.

From north to south, the order is Himalayas, Northern Plains and then Peninsular Plateau. Exam tip: confirm this order through India's physical map.

Palghat Gap is an important natural break in the Western Ghats. Exam tip: remember it as a route linking Kerala and Tamil Nadu.

Ladakh and Karakoram are linked with the Trans Himalaya region. Exam tip: remember it as the high dry region north of the Himalayas.

Chilika Lake is a famous brackish lagoon lake on the eastern coast. Exam tip: remember it near Odisha and the Bay of Bengal.