The plains that are formed by the deposition of materials which have been brought by various agents of transportation:

1. Structural plain
2. Depositional plain
3. Polder
4. Dykes

Depositional plains formed as a result of action of wind have irregular and undulating surface because of

1. new deposits made everyday.
2. existence of sand dunes and hallows.
3. existence of scrubs.
4. All of the above.

The plains that are formed due to uplift or subsidence of land are called:

1. Structural plains
2. Depositional plains
3. Plains
4. Landforms

Which of the following pairs is incorrectly matched?

1. Structural Plains : Coromandel Plains
2. Wind Deposition Plains : Thar Desert
3. River Deposition Plains : Northern Plains (India)
4. Marine Deposition Plains : Western Coastal Plains (India)