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Monday, February 4, 2019

NCERT CLASS 9 SOCIAL SCIENCE: GEOGRAPHY- Chapter 3.

Important questions.

1. What is a drainage basin?
2. What is the water divide?
3.  Name the world’s largest drainage basin.
4. What are the four different drainage patterns?
5. What is a river system?
6. When was the Indus Water Treaty signed?
7. Name the world’s largest and fastest-growing delta.
8.  By what name, the river Brahmaputra is known in Tibet and Bangladesh?
9. Which Indian River is known as the ‘Dakshin Ganga’?
10. Where do the two rivers Indus and Ganga have their origin?

12 comments:

  1. Ans1- The area drained by a single River system is called a drainage basin.

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  2. Ans2- Any uplifted area such as mountain or an upland separated by two drainage basin is known as a water divide

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  4. Ans4- Drainage patterns are dendritic trellis, rectangular and radical patterns.

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  5. Ans5- A river along with its tributaries are called as a River system.

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  6. Ans3- The world's drainage basin is of the Amazon River

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  7. Ans8- Brahamputra river is known as Tsang Po in Tibet and Jamuna in Bangladesh

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  8. Ans10- The second biggest waterfall in India is the Jog Falls in the Kaveri river

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  9. Ans11- Indus river has its origin in Tibet near Mansarovar Lake while Ganga River has its origin in Gangotri Glacier, Uttaranchal

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