NCERT Geography Class 9 Chapter 3 | Lakes Notes & PDF

Topic covered: Lakes and MCQs Questions: Drainage (All single detail notes are exam-oriented).

We have discussed in-depth and exam-oriented pointers that can be asked in the board exam of class 9th about the “Lakes” from the NCERT Geography notes for class 9th chapter 3 “Drainage“.

Download the NCERT Geography for Class 9th Chapter 3 Drainage Notes PDF

NCERT Geography for Class 9th Chapter 3 – Drainage Notes & MCQ’s Question-Answer

The chapter Drainage in Class 9 Geography explains India’s river systems and their role in shaping our land and life. It covers the Himalayan rivers like the Ganga, Brahmaputra, and Indus, as well as the Peninsular rivers such as the Godavari, Krishna, and Mahanadi. These notes highlight key features like river basins, lakes, and the importance of rivers for agriculture, transport, and economy. The PDF is structured for quick learning with clear summaries, maps, and exam-oriented points. Download it to revise NCERT Geography Class 9 Chapter 3 Drainage easily and strengthen your preparation before tests and exams.

Lakes

1. Tourism Importance:

• Dal Lake (Kashmir) is famous for houseboats and shikaras, attracting thousands of tourists every year.
• Tourist spots like Srinagar and Nainital are attractive mainly because of lakes.
• Lakes increase tourism value by offering boating, swimming, and water games.

2. Types & Origin of Lakes in India:

• India has many lakes differing in size and characteristics.
• Permanent Lakes – exist throughout the year.
• Seasonal Lakes – fill only during rainy season (common in semi-arid inland drainage basins).
• Glacial & Ice-Sheet Lakes – formed by glacier action in Himalayan region.
• Wind, River Action & Human-Made Lakes – formed due to natural and human processes.
• Ox-bow Lakes – formed when a meandering river cuts off a loop in a floodplain.
• Lagoons – formed by spits and bars in coastal areas.
  Examples: Chilika Lake, Pulicat Lake, Kolleru Lake.

3. Examples of Notable Lakes:

• Sambhar Lake (Rajasthan) – seasonal, saltwater, used for salt production.
• Freshwater Himalayan Lakes – formed by glacier-dug basins filled with snowmelt.
  Examples: Dal Lake, Bhimtal, Nainital, Loktak, Barapani.
• Wular Lake (J&K) – largest freshwater lake in India, formed by tectonic activity.
• Guru Gobind Sagar (Bhakra Nangal Project) – artificial lake formed by damming rivers for hydel power.

4. Importance of Lakes:

• Flood Control – regulates river flow, prevents flooding during heavy rains.
• Water Supply in Dry Season – maintains even flow of water.
• Hydel Power – lakes provide water for electricity generation.
• Climate Moderation – regulate temperature of surrounding areas.
• Aquatic Ecosystem – maintain biodiversity in water bodies.
• Tourism & Recreation – enhance natural beauty, attract tourists, and offer leisure activities.

Next & Previous Topics of NCERT/CBSE Geography Class 9 Chapter 3: Drainage

MCQs on NCERT Geography Class 9 Chapter 3 Topic – Lakes

Here are the top exam-oriented MCQ-type questions on “Lakes” that you should prepare for your CBSE or state board exams:

Question 1. Which of the following is the famous lake of Kashmir known for houseboats and shikaras?

a) Nainital Lake
b) Dal Lake
c) Wular Lake
d) Chilika Lake

Answer: b) Dal Lake

Question 2. Which of the following types of lakes are formed by meandering rivers across floodplains?

a) Ox-bow lakes
b) Lagoons
c) Glacial lakes
d) Tectonic lakes

Answer: a) Ox-bow lakes

Question 3. Chilika Lake, Pulicat Lake, and Kolleru Lake are examples of which type of lakes?

a) Glacial lakes
b) Lagoon lakes
c) Freshwater lakes
d) Tectonic lakes

Answer: b) Lagoon lakes

Question 4. The Sambhar Lake in Rajasthan is famous for which of the following?

a) Tourism
b) Fishing
c) Salt production
d) Houseboats

Answer: c) Salt production

Question 5. Which is the largest freshwater lake in India?

a) Nainital Lake
b) Dal Lake
c) Wular Lake
d) Loktak Lake

Answer: c) Wular Lake

Question 6. Wular Lake in Jammu and Kashmir was formed due to:

a) Glacial activity
b) Tectonic activity
c) River action
d) Wind action

Answer: b) Tectonic activity

Question 7. Most freshwater lakes in India are found in which region?

a) Deccan Plateau
b) Himalayas
c) Coastal Plains
d) Desert region

Answer: b) Himalayas

Question 8. Which of the following lakes was formed due to damming of rivers for hydel power generation?

a) Loktak Lake
b) Guru Gobind Sagar
c) Barapani Lake
d) Nainital Lake

Answer: b) Guru Gobind Sagar

Question 9. The Sambhar Lake is an example of which type of lake?

a) Freshwater lake
b) Seasonal saltwater lake
c) Glacial lake
d) Lagoon lake

Answer: b) Seasonal saltwater lake

Question 10. Which of the following is NOT a freshwater lake?

a) Dal Lake
b) Nainital Lake
c) Pulicat Lake
d) Loktak Lake

Answer: c) Pulicat Lake

Question 11. Which of the following statements about lakes is incorrect?

a) They regulate the flow of rivers
b) They cause permanent flooding during rains
c) They moderate the climate of the surroundings
d) They enhance natural beauty and tourism

Answer: b) They cause permanent flooding during rains

Question 12. Which of the following is an ox-bow lake?

a) Bhimtal
b) Sambhar
c) Cut-off meander lakes
d) Barapani

Answer: c) Cut-off meander lakes

Question 13. Which among the following is a man-made lake?

a) Guru Gobind Sagar
b) Nainital Lake
c) Wular Lake
d) Chilika Lake

Answer: a) Guru Gobind Sagar

Question 14. What is the importance of lakes during the dry season?

a) They dry up completely
b) They help maintain an even flow of water
c) They increase the temperature of the region
d) They have no effect on rivers

Answer: b) They help maintain an even flow of water

Question 15. Which of the following freshwater lakes is located in Manipur?

a) Barapani
b) Loktak
c) Bhimtal
d) Dal

Answer: b) Loktak