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Science Distinguish Between.

Pollution · Maharashtra Board STD 8 (MSBSHSE - English Medium). 2 questions.

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Distinguish Between.

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2 questions · timed · auto-graded

Question 13 Marks
Industrial waste and Domestic waste:
Answer
Industrial wasteDomestic waste
1. Most of the industrial waste contains non-degradable pollutants.1. Most of the domestic waste contains bio-degradable pollutants.
2. Industrial wastes are produced during industrial and manufacturing processes.2. Domestic wastes are produced in every home due to day to day activities.
3. Pollution monitoring and controlling bodies like MPCB keep a watch on the proportion of industrial wastes.3. Pollution monitoring and controlling bodies like MPCB do not keep a watch on the proportion of domestic wastes. It is the individual responsibility of every citizen to reduce the amount of domestic waste that they produce.
4. Fly ash from thermal power plants, heavy metals, chemicals, etc. form the industrial wastes.4. Garbage, domestic refuse, and discarded solid materials containing food waste, paper, cardboard, peels of fruits, vegetable matter, etc. form the domestic wastes.
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Question 23 Marks
Degradable and Non-degradable pollutants:
Answer
Degradable pollutantsNon-degradable pollutants
1. Degradable pollutants can degrade on their own after some time.1. non-degradable pollutants cannot degrade on their own.
2. Degradable pollutants are usually acted upon by microorganisms to reduce them to inorganic substances.2. non-degradable pollutants are not acted upon by microorganisms and hence are not reduced to inorganic substances.
3. Degradable pollutants are not accumulated in nature.3. non-degradable pollutants accumulate in nature and remain there for a long period of time.
4. Degradable pollutants emit foul odour when they are being decomposed.4. non-degradable pollutants may not emit foul odour as they are not decomposed.
5. Vegetables and fruits, food refuse, organic matter, etc. form degradable pollutants.5. Metals, plastic, glass, etc. form non-degradable pollutants.
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Distinguish Between. - Science STD 8 Questions - Vidyadip