Multiple choice The important feature of Himalayan rivers is: They are rich in silt deposit They have perennial flow of water They are mainly rainfed They are navigable None of these Reveal answer Fill a bubble to check yourself B Correct answer Explanation Himalayan rivers are perennial because they receive continuous water supply from melting glaciers and snow year-round, unlike purely rainfed rivers. This constant flow makes them crucial for agriculture and water security in northern India.