The average height of the Kosi Plain above sea level is—
- A100 metres
- B30 metres
- C150 metres
- D300 metres
Show answer and explanation
Correct answer: (b) 30 metres
Explanation
The average height of the Kosi Plain above mean sea level is approximately 30 to 50 metres. The Kosi Plain lies in the Middle Ganga Plain. This region frequently faces flood situations created by the Kosi and its tributaries. Therefore, the Kosi River is also called the ‘Sorrow of Bihar’.
This explanation is carried over from question 23 of this topic, which the book cross-references.