Q. Which of the following statements is/are correct?
1.A river drains the water collected from a specific area, which is called its catchment area.
2.An area drained by a river and its tributaries is called a drainage basin.
3.The boundary line separating one drainage basin from the other is known as the watershed.
Select the correct option from below given codes:

[A] Only one

[B] Only two

[C] Only three

[D] None

Answer: C
Notes:

Explanation: A river drains the water collected from a specific area, which is called its ‘catchment area’.

  • An area drained by a river and its tributaries is called a drainage basin. The boundary line separating one drainage basin from the other is known as the watershed.
  • The catchments of large rivers are called river basins while those of small rivulets and rills are often referred to as watersheds.

Source: NCERT

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