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Subjects

Geography

The Coastal Plains and Islands

In this Class 9 Geography topic from Physical Features of India, students explore how India’s coastal plains and islands were formed and how they differ in location, relief, and physical features. They study the Western Coastal Plain along the Arabian Sea and the broader Eastern Coastal Plain along the Bay of Bengal, including important rivers, deltas, lagoons, and coastal processes. The topic also introduces the Andaman and Nicobar Islands and Lakshadweep, highlighting their geographical setting, natural environment, and importance to India.

Hard · Level 6 · 22 questions

TOPIC PRACTICE

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22 questions

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  1. They keep Himalaya stable
  2. They change river sources
  3. They completely stop rainfall
  4. They continuously change the shape of coastline
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  1. It partly separates a portion of sea water from the main sea
  2. It gives rise to a glacier
  3. It turns a river into a mountain
  4. It eliminates coral organisms
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  1. They never reach the sea
  2. Less sediment deposition occurs due to short length and steep slope
  3. They are formed only by glacial water
  4. They drain into the Bay of Bengal
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  1. Mining on coral atolls
  2. Permanent ice and cold
  3. Fertile deltaic plains and water resources
  4. Complete distance from sea
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  1. Southern delta of eastern coast
  2. Backwater region of Malabar
  3. Volcanic region of Andaman
  4. North western coastal region of Gujarat
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  1. Moist monsoon winds quickly rise after striking the Western Ghats and cause heavy rainfall on the windward slopes
  2. Monsoon winds cross the Western Ghats without rising, so the coast receives very little rainfall
  3. The proximity of the Western Ghats to the sea dries the winds, and rainfall occurs only on the Deccan Plateau
  4. Monsoon winds turn towards the Bay of Bengal on reaching the Western Ghats
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  1. It completely removes the plain
  2. It gives more space for rivers and deposition
  3. It turns the sea westward
  4. It forms coral atolls
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  1. Coastal tourism and beach recreation
  2. Salt production
  3. Development of ports and maritime trade
  4. Coastal fishing
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  1. Himalayan snowfields
  2. Sand dunes of Thar
  3. Source of Ganga
  4. Beaches, backwaters, lagoons and island scenery
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  1. Maritime surveillance and strategic security
  2. Irrigation of Thar Desert
  3. Himalayan glacier protection
  4. Northern Indian rail expansion
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  1. It is the southern part of Ganga delta
  2. It is an important southern island of Lakshadweep
  3. It is an active volcano of Andaman
  4. It is the capital of Konkan Coast
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  1. Volcanoes erupt at every mouth
  2. Coral mountains grow in rivers
  3. Sediment is deposited at the river mouth
  4. Sea water disappears
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  1. Marine coastal water and coastline
  2. Only glacial water
  3. Only plateau coal
  4. Only desert wind
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  1. Only mountain tourism
  2. Flood control and disaster preparedness
  3. Coral mining
  4. Glacier route construction
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  1. Western coast is broad and delta-dominated
  2. Both coasts are only coral islands
  3. Eastern coast is broad and delta-dominated while western coast is narrow
  4. Eastern coast is entirely mountainous
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  1. Too many branches of Ganga delta
  2. Expansion of Sundarbans mangroves
  3. Width of Bay of Bengal
  4. Limited land between sea and Western Ghats
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  1. It is partly separated from the sea by a sand bar
  2. It is below a glacier
  3. It is in the middle of a desert
  4. It is the source of a river
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  1. Volcanic vents
  2. Distributaries
  3. Ice cracks
  4. Desert channels
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  1. Because it stops avalanches
  2. Because it creates desert storms
  3. Because mangroves can protect the coast from erosion and storms
  4. Because it forms coral atolls
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  1. Because all mountains form at mouths
  2. Because only glaciers occur at mouths
  3. Because sea is absent there
  4. Because landforms like deltas or estuaries form there
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  1. The plain is narrow and mountains are close to the sea
  2. The plain is very broad and has large deltas
  3. Every river forms a huge delta
  4. The coast is only made of coral atolls
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  1. It studies only plateau lava
  2. It explains the relation of land, sea, river deposition and island ecology
  3. It helps remember all Himalayan peaks
  4. It gives only the reason for desert expansion

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