- What is the term used for the area drained by a single river system?
Answer: Basin
Explanation: A drainage basin is an area where all water drains into a single river system. - What is the elevated land that separates two drainage basins called?
Answer: Divide
Explanation: A water divide is a highland area that separates the flow of water into different basins. - Which river has the largest basin in India?
Answer: Ganga
Explanation: The Ganga river has the largest basin in India, covering multiple states. - Which two broad categories divide the Indian river system?
Answer: Himalayan, Peninsular
Explanation: The rivers in India are classified into Himalayan rivers (perennial) and Peninsular rivers (seasonal). - Which river forms the world’s largest delta?
Answer: Ganga-Brahmaputra
Explanation: The Ganga and Brahmaputra rivers form the Sundarbans, the world’s largest delta. - Which Himalayan river is also known as Tsang Po in Tibet?
Answer: Brahmaputra
Explanation: The Brahmaputra River is called the Tsang Po in Tibet and flows through Arunachal Pradesh and Assam. - Which is the longest river of Peninsular India?
Answer: Godavari
Explanation: The Godavari is the longest Peninsular river, often called the ‘Dakshin Ganga’. - Which river in the Peninsular region flows westward into the Arabian Sea?
Answer: Narmada
Explanation: The Narmada River flows westward in a rift valley, unlike most other Peninsular rivers. - Which river in India is known as the “Sorrow of Bihar”?
Answer: Kosi
Explanation: The Kosi River causes devastating floods in Bihar, earning it the name “Sorrow of Bihar”. - Which Indian river is regulated under the Indus Water Treaty of 1960?
Answer: Indus
Explanation: The Indus River’s water is shared between India and Pakistan as per the Indus Water Treaty.
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