1) What is the importance of water in the ecosystem? a) It is only important for industrial uses. b) It cycles through various components like atmosphere and rivers, sustaining life. c) It mainly stays underground and does not affect life directly. d) Water is important only in oceans and lakes. 2) What was the duration of the drought in Chennai in 2019 that caused severe water shortage? a) 200 days without rain. b) 100 days without rain. c) 30 days without rain. d) 500 days without rain. 3) Why is pollution a significant concern for fresh water sources? a) It causes water to evaporate faster. b) It only affects salt water bodies. c) It contaminates scarce fresh water making it unusable. d) It makes water colder, reducing availability. 4) How does wastewater from homes and factories contribute to water problems? a) It flows into rivers polluting the main source of fresh water. b) It evaporates quickly, causing droughts. c) It replenishes underground water reserves. d) It increases water pH making it more alkaline. 5) What simple action can individuals take to help conserve water? a) Using more water for cleaning. b) Throwing wastewater into rivers. c) Drawing more water for gardens. d) Turning off taps when not in use. 6) What community-level measure was suggested to conserve water? a) Constructing more dams on rivers. b) Building rainwater harvesting systems in houses. c) Importing water from other cities. d) Planting more trees in the city. 7) Why is it crucial to protect rivers? a) Because they provide water only for recreational activities. b) Because they have no impact on water availability. c) Because they never get polluted. d) Because they are the major source of our drinking water.

Water Conservation (Friday Week 3)

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