1) Water pollution means _____________ a) Cleaning of water b) Filtering water c) ) Contamination of water bodies 2) Why is Earth called the blue planet? a) There are lot of blue flowers on the planet b) Water covers two-thirds of the Earth’s surface c) Earth has been painted blue 3) Water pollution leads to ___________ a) Destruction of aquatic habitat b) Healthy aquatic life c) Availability of clean water for aquatic animals 4) One of the causes for water pollution _____________ a) Throwing garbage into the dustbin and not the river or ocean. b) Cleaning the banks of the rivers and beaches. c) Discharging of chemical wastes by the factories into the water. 5) Drinking contaminated water causes __________ a) Eye Flu b) Cholera c) Pain in the leg 6) How can we prevent water pollution? a) By not throwing garbage in the rivers and oceans b) By throwing plastic bottles in the sea c) By throwing oil in the kitchen drain 7) Putting oil and paints in the kitchen drain is _____________ a) Good for cleaning kitchen sink b) Helpful in cleaning the rivers c) Harmful as it increases the contamination of water bodies 8) Water pollution has caused __________________ a) Increase in the potable (drinkable) sources of water b) Decrease in the potable water sources c) Increase in the population of marine animals 9) Rain Water get impure by a) Dust,smoke,germa b) Waste c) Chemical

Water Pollution (4th)

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