1) Presence of unwanted substances in our environment is ________________ a) pollution  b) solution c) reproduction d) germination 2) This type of pollution contaminates lakes, oceans rivers etc. a) air pollution b) water pollution c) soil pollution d) noise pollution 3) Identify the type of pollution a) water pollution b) soil pollution c) noise pollution d) air pollution 4) Which of the following is the example of a pollution a) Throwing trash on ground b) Burning Garbage c) Spilling oil in the ocean d) all of the above 5) Skin Allergies, burning sensation in the eyes are due to ___________. a) air pollution b) water pollution c) soil pollution d) noise pollution 6) This type of pollution affects the marine life. a) water pollution b) air pollution c) soil pollution d) noise pollution 7) Which of these gases are harmful for our environment? a) Carbon monoxide b) oxygen c) Nitrogen d) carbon dioxide 8) Which of these diseases are caused by water pollution? a) polio b) jaundice c) tuberculosis d) chickenpox 9) Harmful substances present in our environment causing pollution are called________ a) pollutants b) garbage c) atmosphere d) bacteria 10) Which of these factors cause soil pollution a) throwing plastic bags in recycle bins b) throwing plastic bags on the road c) collecting trash from around the school grounds d) segregation of wet and dry waste

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