Which river is a major right-bank tributary of the Ganga?
Answer and explanation
Correct answer: Son
The correct answer is Son. When a river is viewed in the direction of its flow, a tributary joining from the south is called a right-bank tributary. The Son flows generally eastward from central India and joins the Ganga from the south, making it a major right-bank tributary. Ghaghara, Gandak and Kosi descend from the Himalayan region and join the Ganga from the north, so they are generally classified as left-bank tributaries. Therefore, option D is correct. The governing idea is not simply the position on a map; bank classification is determined while facing downstream. This directional rule explains why Son is the correct choice even though all four rivers are important Ganga tributaries.
Frequently asked questions
What is the correct answer to this question?
Son
Why is this the correct answer?
The correct answer is Son. When a river is viewed in the direction of its flow, a tributary joining from the south is called a right-bank tributary. The Son flows generally eastward from central India and joins the Ganga from the south, making it a major right-bank tributary. Ghaghara, Gandak and Kosi descend from the Himalayan region and join the Ganga from the north, so they are generally classified as left-bank tributaries. Therefore, option D is correct. The governing idea is not simply the position on a map; bank classification is determined while facing downstream. This directional rule explains why Son is the correct choice even though all four rivers are important Ganga tributaries.
Which subject and chapter does this question cover?
This is a Class 10 General Knowledge question. Chapter: Indian Geography. Topic: Rivers and Lakes of India.
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