Practicing Success
The concentration of pollutants in rivers generally remains high in which of the following seasons in India? |
Summer Monsoon Winter The concentration of pollutants in rivers has no relationship with seasons in India. |
Summer |
The major rivers of the country generally retain better water quality in less densely populated upper stretches in hilly areas. In plains, river water is used intensively for irrigation, drinking, domestic and industrial purposes. The drains carrying agricultural (fertilizers and insecticides), domestic (solid and liquid wastes), and industrial effluents join the rivers. The concentration of pollutants in rivers, especially remains very high during the summer season when flow of water is low. |