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Q6. Find the incorrect way of water conservation-
        (a)Treating industrial waste before its release into water bodies

        (b) Use of sprinkle irrigation and by planting trees

        (c) Rain water harvesting
        (d) Water reservoir linked to sewage channel


        Q7. Rainwater is continuously recycled in nature through

        (a) Weathering
        (b) Perspiration

        (c) Precipitation

        (d)Preservation


        Q8. What causes shortage of water?
        (a) Seasonal or annual precipitation

        (b) Recycling of water
        (c) Contamination of the sources of water

        (d) Rain water harvesting



        Q9. What is the process of collecting rain water from rooftops, directing it to an appropriate location,

        and storing it for future use called?
        (a) Irrigation

        (b) Water replenishment

        (c) Mulching
        (d) Rain water harvesting


        Q10.What causes contamination of water?

        (a) discharge of untreated or partially treated sewage, agricultural chemicals, and industrial effluents

        in bodies of water
        (b) treatment of effluents before discharging them into bodies of water

        (c) fall in the number of industrial effluents entering bodies of water
        (d) building of canals that dispose effluent waste deep into the oceans


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