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Class 9 · Geography · Hard
→Under which condition does river water become less safe as a drinking water source?
Class 9 · Geography · Hard
→Which option correctly gives both constructive and destructive roles of a river?
Class 9 · Geography · Hard
→Which process increases when the velocity of a river suddenly decreases?
Class 9 · Geography · Hard
→Why can markets and trading centres develop along river banks?
Class 9 · Geography · Hard
→The widening of a river valley is mainly associated with which process?
Class 9 · Geography · Hard
→Which function of a river mainly carries material from mountains to plains?
Class 9 · Geography · Hard
→What is a lake formed when an old river bend is cut off called?
Class 9 · Geography · Hard
→Under which condition is a river more likely to expand its floodplain?
Class 9 · Geography · Hard
→Why can deforestation along river banks increase flood risk?
Class 9 · Geography · Hard
→Excessive use of river water can create which long-term problem?
Class 9 · Geography · Hard
→Why is a river basin important for planning a region?
Class 9 · Geography · Hard
→How can a river drainage system affect the economy of a region?
Class 9 · Geography · Hard
→Why is considering river floods only as disasters an incomplete view?
Class 9 · Geography · Hard
→Which option best explains the multipurpose nature of river valley projects?
Class 9 · Geography · Hard
→If a river flows throughout the year, why does its importance for irrigation increase?
Class 9 · Geography · Hard
→How are natural levees formed by rivers?
Class 9 · Geography · Hard
→How does the direction of erosion generally change in the middle course of a river?
Class 9 · Geography · Hard
→What is the most serious environmental risk when industrial towns grow along rivers?
Class 9 · Geography · Hard
→Through which process does a river create fertile alluvial plains along its course?
Class 9 · Geography · Hard
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