DRAINAGE

DRAINAGE

VERY SHORT ANSWER TYPE QUESTIONS (VSAQ)

1. What are the two main types of rivers in India? Ans:- The two main types of rivers are Himalayan rivers and Penin...

11. Where does the Ganga River begin? Ans:- The Ganga River begins as the Bhagirathi from the Gangotri Glacier. 12....

21. Where does the Yamuna meet the Ganga? Ans:- The Yamuna meets the Ganga at Allahabad. 22. What is the length of...

31. Where does the Narmada River originate? Ans:- The Amarkantak plateau. 32. Which two states of India are covered...

41. How long is the Krishna River? Ans:- About 1,401 km. 42. Where does the Kaveri River rise? Ans:- The Brahma...

51. What is the Brahmaputra known as in Tibet and Bangladesh? Ans:- The Brahmaputra is known as the Tsang Po in Tibe...

61. What is Vembanad Lake known for? Ans:- It is a lagoon in Kerala and a popular tourist spot. 62. How was Gohna L...

SHORT ANSWER TYPE QUESTIONS (SAQ)

1. How are the Himalayan rivers different from the Peninsular rivers? Ans:- The Himalayan rivers, like the Indus...

2. Give some of the similarities between the Himalayan rivers and Peninsular rivers. Ans:- Although the Himalaya...

3. What role do rivers play in shaping the land in India? Ans:- Rivers in India shape the land through erosion an...

4. What are the major tributaries of the Indus River, and how do they contribute to its flow? Ans:- The Indus Riv...

5. How does the Ganga River system benefit agriculture in northern India? Ans:- The Ganga River system supports a...

6. What is the Indus Water Treaty? Ans:- The Indus Water Treaty took place in the year 1960. According to its re...

7. What is known as the Dakshin Ganga? Ans:- The three tributaries of the Godavari, namely the Manjra, the Wain...

8. What challenges do the Brahmaputra River and its tributaries pose to nearby communities? Ans:- The Brahmaputr...

9. Describe important features of the Mahanadi basin. Give three factual pieces of information about the Mahanadi basin....

10. Why are the peninsular rivers not navigable? Ans:- The Peninsular rivers are primarily seasonal, with their...

11. What is a river basin? Explain briefly. Ans:- The area drained by a river system, which includes a main rive...

12. What is a lake? How are lakes formed? Ans:- A lake is an area of water surrounded by land on all sides. i...

13. How does the Kaveri River differ from other Peninsular rivers? Ans:- The Kaveri River, which rises in the B...

14. Give a brief description of freshwater lakes found in India. Ans:- The majority of freshwater lakes in India...

15. Write any three features of the rivers originating in the Himalayas. Ans:- Three main features of the Hima...

16. Write a note on the river Krishna and its tributaries. Ans:- The Krishna River originates from a spring near...

17. Explain the significance of the Mahanadi River. Ans:- The Mahanadi rises near Sihawa in Chhattisgarh and fl...

18. Describe any three important features of the river Brahmaputra. Ans:- The three key features of the Brahma...

19. Where does the river Kaveri originate? What is its total length? Name its main tributaries. Ans:- The Kaveri...

20. Why are lakes of great value to human beings? Explain any three reasons. Ans:- Lakes are of great value to...

21. Why do the Himalayan rivers get flooded every year? Mention the main advantages of these rivers. Ans:- The H...

22. How does a river affect the economy of a country? Ans:- Water from rivers is a vital natural resource essen...

23. What is the significance of the Sundarban Delta, and why is it important? Ans:- The Sundarban Delta, formed...

24. How does the Indus Water Treaty regulate the use of the Indus River's water in India? Ans:- The Indus Water...

25. What are the main characteristics of the Peninsular rivers? Ans:- The Peninsular rivers are older than the...

26. Describe the Narmada River and its basin. Ans:- The Narmada River starts in the Amarkantak plateau and flow...

27. What is significant about the Godavari River? Ans:- The Godavari is the largest Peninsular river, stretchin...

28. What are some key features and types of lakes found in India? Ans:- India has various types of lakes, includ...

29. How do lakes benefit the environment and human beings? Ans:- Lakes help regulate river flow, preventing floo...

30. What type of channel does the river Brahmaputra have? Write a short note on the formation of this type of channel....

31. Describe important features of the Krishna basin. Ans:- The Krishna is a significant peninsular river that o...

32. Name the three Himalayan river systems. Give two tributaries of each. Ans:- Three Himalayan river systems...

33. What is the name of Brahmaputra in Tibet and Bangladesh? Give one feature of each. Ans:- The Brahmaputra i...

34. Which two peninsular rivers form estuaries? Name the states in which these rivers drain the water. Ans:- The...

35. What are the causes of river pollution? Suggest some ways to overcome them? Ans:- The primary reason for r...

36. Describe the three main features of the Narmada Basin. Ans:- The Narmada River originates from the Amarkant...

37. Why are the Peninsular rivers seasonal in nature? Ans:- The Peninsular rivers are seasonal because their flo...

38. Give the features of the Himalayan rivers. Ans:- Most of the Himalayan rivers are perennial, meaning they ha...

39. Where does river Brahmaputra rise? Where does it enter into India? Name two of its tributaries. Ans:- The B...

40. What is the difference between tributary and distributary? Write any three points of distinction. Ans:- i....

41. Describe three important characteristics of Sundarbans Delta. Ans:- i. It is the largest and fastest-growing...

42. Describe the three main features of the Narmada basin. Ans:- i. The Narmada flows westward through a rift v...

43. Define drainage basin and describe two patterns of drainage in India. Ans:- i. Drainage basin: The area drai...

44. Where does the river Indus rise from? What is its length? Write any two tributaries of river Indus. Ans:- The...

45. Where does the river Tapi originate? Write its main features. Ans:- The Tapi is a significant peninsular ri...

LONG ANSWER TYPE QUESTIONS (LAQ)

1. Explain the differences between the Himalayan rivers and the Peninsular rivers in India. Ans:- The Himalayan...

2. Give the main features of the Ganga river system. Ans:- The Ganga river system comprises the primary river,...

3. Discuss the importance of the Indus River system for both India and Pakistan. Ans:- The Indus River system i...

4. Describe the significance of the Brahmaputra River system and the issues it faces. Ans:- The Brahmaputra Riv...

5. What is a gorge? In what type of terrain does a gorge form? Ans:- A gorge is a narrow, steep-sided river val...

6. Compare the Narmada and Tapi rivers, highlighting their characteristics and basins. Ans:- The Narmada River,...

7. Why is the Godavari often referred to as the 'Dakshin Ganga'? Write a note on the river Godavari and its tributaries...

7. Explain the Godavari River’s significance, its tributaries, and its impact on the region. Ans:- The Godavar...

8. Discuss the features and significance of the Kaveri River, including its tributaries and hydropower generation....

9. Write a note on the Brahmaputra Drainage System. OR Name any two major river systems of the Himalayan region. Desc...

10. Write a note on the Ganga Drainage System. (Important) Ans:- The Ganga is the longest and most significant...

11. Why are rivers important for a country's economy? Ans:- Rivers serve as the lifelines of a nation, playing...

12. Write a note on the Indus Drainage System. Ans:- The Indus is one of the longest rivers in the world, origi...

13. What are perennial and non-perennial rivers? Give reasons why the Himalayan region consists of perennial rivers....

14. Which are the major Himalayan rivers? Give a brief description of the Indus river system. Ans:- i. The pri...

15. Describe the following drainage patterns of streams: (i) Radial (ii) Dendrite (iii) Trellis (iv) Rectangular...

16. Which three river systems form the Himalayan river system? Describe briefly any one of them. Ans:- The thre...

17. How are salt lakes formed? Give examples of salt lakes in India. Ans:- Lakes that contain a high concentrat...

18. What is a lagoon? How does it differ from a lake? Ans:- A lagoon is a body of brackish or salt water that i...

19. Write a note on the east-flowing and the west-flowing rivers of Peninsular India. Ans:- The Peninsular Plat...

20. Which of the factors mainly controls the drainage system of the Indian subcontinent? Into which major groups are the...

21. Where are India’s most freshwater lakes located and why? Ans:- Most of India’s freshwater lakes are found i...

NCERT SOLUTION

1. Choose the right answer from the four alternatives given below. (i) In which of the following states is the Wular...

2. Answer the following questions briefly. (i) What is meant by a water divide? Give an example. Ans:- A water d...

3. Below are given names of a few lakes of India. Group them under two categories − natural and created by human beings...

4. Discuss the significant difference between the Himalayan and the Peninsular rivers. Ans:- ❑ Himalayan Ri...

6. Why are rivers important for the country’s economy? Ans:- Rivers play a vital role in the country’s economy...

SUMMARY

Introduction to Drainage Systems Drainage refers to the network of rivers and streams that flow within a specific geogr...

Drainage Systems of India India's rivers are mainly shaped by the land features of the country, and they are divided in...

The Major Himalayan Rivers India has three major Himalayan river systems: the Indus, the Ganga, and the Brahmaputra. T...

Peninsular Rivers of India The rivers in Peninsular India are older than those in the Himalayas. They have broader va...

Lakes in India 1. Sambhar Lake: This is the largest inland salt lake in India, located in Rajasthan. Other salt lakes...

Role of Rivers in the Economy Rivers play a crucial role in shaping the economy and supporting life in various ways:...

River Pollution River pollution is a serious problem caused by the increasing demand for water from various sources, i...