Case study Questions in Class 9 Social Science Chapter 3 are very important to solve for your exam. Class 9 Social Science Chapter 10 Case Study Questions have been prepared for the latest exam pattern. You can check your knowledge by solving case study-based questions for Class 9 Geography Case Study Questions Chapter 3 Drainage
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In CBSE Class 9 Social Science Paper, Students will have to answer some questions based on Assertion and Reason. There will be a few questions based on case studies and passage-based as well. In that, a paragraph will be given, and then the MCQ questions based on it will be asked.
Drainage Case Study Questions With Answers
Here, we have provided case-based/passage-based questions for Class 9 Social Science Chapter 3 Drainage
Case Study 1:The drainage system of India is mainly controlled by the broad relief features of the subcontinent. Accordingly, the Indian rivers are divided into two major groups: the Himalayan rivers; and the Peninsular Rivers. Apart from originating from the two major physiographic regions of India, the Himalayan and the Peninsular rivers are different from each other in many ways. Most of the Himalayan rivers are perennial. It means that they have water throughout the year. These rivers receive water from rain as well as from melted snow from the loft mountains. The two major Himalayan rivers, the Indus and the Brahmaputra originate from the North of the mountain ranges.
They have cut through the mountains making gorges. The Himalayan rivers have long courses from their source to the sea. They perform an intensive erosional activity in their upper courses from their source to the sea. They perform an intensive erosional activity in their upper courses and carry huge loads of silt and sand. In the middle and lower courses, these rivers form meanders, oxbow lakes, and many other depositional features in their flood plains. They also have well-developed deltas.
Which of the following is not the Himalayan river?
(a) Godavari
(b) Indus
(c) Ganga
(d) Brahmaputra
Answer: (a) Godavari
Which of the following is not the feature of the Himalayan rivers?
(a) Some Himalayan rivers originate from the North of the mountain range.
(b) The Himalayan rivers have shorter and shallower courses.
(c) Brahmaputra is the example of Himalayan rivers.
(d) None of the above
Answer: (b) The Himalayan rivers have shorter and shallower courses.
Why do some Himalayan rivers perform the intensive erosional activity? Identify the best suitable options.
(a) Because they originates from high altitude.
(b) These are small rivers.
(c) These rivers are flows from West to East.
(d) These river are non-perennial.
Answer: (a) Because they originates from high altitude.
Himalayan rivers has well developed deltas. Which among the following is the prominent cause?
(a) Himalayan rivers have long courses from their source to sea.
(b) They flows from mountain and carry huge loads of silt and sand.
(c) They flow with high density of water.
(d) All of the above
Answer: (d) All of the above
Which of the following is not the characteristics of Himalayan rivers?
(a) This rivers formed deltas at their mouth.
(b) The Himalayan rivers are short in length.
(c) These rivers are seasonal.
(d) All of the above
Answer: (a) This rivers formed deltas at their mouth.
Two statements are given in the question below as Assertion (A) and Reason (R). Read the statements and choose the appropriate option.
Assertion (A) Peninsular river are perennial river.
Reason (R) Perennial rivers receives water from rain as well as from melted snow from the lofty mountains.
Codes
(a) Both A and R are true and R is the correct explanation of A
(b) Both A and R are true, but R is not the correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
Answer: (d) A is false, but R is true
Case Study 2:The drainage system plays a crucial role in shaping the landscape and determining the flow of water in an area. In India, the drainage patterns are diverse and influenced by various factors such as topography, climate, and geological formations. The major drainage basins in India are the Indus, Ganga, and Brahmaputra. The Himalayan rivers have a snow-fed perennial source, resulting in the formation of large river systems. The Peninsular rivers, on the other hand, have a rain-fed source and exhibit seasonal variations in their water flow. The rivers in India not only provide water for irrigation, drinking, and industrial purposes but also serve as important transportation routes. However, the improper management of drainage systems can lead to issues such as floods, soil erosion, and water pollution.
What factors influence the drainage patterns in India?
a) Political boundaries and population density
b) Topography, climate, and geological formations
c) Religious diversity and cultural practices
d) Economic development and industrialization
Answer: b) Topography, climate, and geological formations
Which are the major drainage basins in India?
a) Yamuna, Godavari, and Krishna
b) Narmada, Mahanadi, and Tapti
c) Indus, Ganga, and Brahmaputra
d) Cauvery, Tungabhadra, and Pennar
Answer: c) Indus, Ganga, and Brahmaputra
What is the source of Himalayan rivers in India?
a) Underground springs
b) Lakes and reservoirs
c) Rainfall and monsoons
d) Snow-fed perennial glaciers
Answer: d) Snow-fed perennial glaciers
How do Peninsular rivers in India differ from Himalayan rivers?
a) Peninsular rivers have a snow-fed source.
b) Peninsular rivers are rain-fed and exhibit seasonal variations.
c) Peninsular rivers flow through the Himalayan region.
d) Peninsular rivers have a larger water volume.
Answer: b) Peninsular rivers are rain-fed and exhibit seasonal variations.
Besides water supply, what other functions do rivers serve in India?
a) Formation of deltas and estuaries
b) Generation of electricity through hydropower projects
c) Creation of tourist attractions and scenic spots
d) Development of recreational activities like boating and fishing
Answer: b) Generation of electricity through hydropower projects
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