- Which three major river systems form the Northern Plain?
Answer: Indus, Ganga, Brahmaputra
Explanation: The Northern Plain is formed by the deposition of sediments from these three river systems and their tributaries. - What type of soil is found in the Northern Plain?
Answer: Alluvial
Explanation: The plain is made up of alluvial soil, which is highly fertile and supports extensive agriculture. - What is the approximate area of the Northern Plain?
Answer: 7 lakh sq km
Explanation: The Northern Plain covers approximately 7 lakh square kilometers, making it a vast and agriculturally productive region. - What is the width range of the Northern Plain?
Answer: 240–320 km
Explanation: The width of the plain varies from about 240 km in some regions to 320 km in others. - Which part of the Northern Plain lies in Pakistan?
Answer: Punjab
Explanation: The Punjab Plain, formed by the Indus and its tributaries, extends into Pakistan. - Which is the largest inhabited riverine island in the world, located in the Brahmaputra River?
Answer: Majuli
Explanation: Majuli, in Assam, is the world’s largest inhabited riverine island. - What is the name given to the newer alluvial deposits in the floodplains?
Answer: Khadar
Explanation: Khadar soil is the younger, more fertile alluvial deposit that is replenished annually by river floods. - What is the term for older alluvial soil found above the floodplains?
Answer: Bhangar
Explanation: Bhangar is composed of older alluvium, forming terrace-like structures with calcareous deposits called ‘kankar’. - Which region of the Northern Plain is known for swampy, marshy land?
Answer: Terai
Explanation: The Terai region lies south of the Bhabar belt and is known for its wet, swampy conditions. - Which physiographic division lies to the south of the Northern Plain?
Answer: Peninsular Plateau
Explanation: The Peninsular Plateau, composed of ancient igneous and metamorphic rocks, lies to the south of the Northern Plain.
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