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प्रश्न
Distinguish between the following :
Biodegradable and Non-biodegradable Pollutants
उत्तर
Biodegradable Pollutants :
- These may be degraded ‘‘after some time by biological or microbial actions.
- These are sewage, domestic garbage of the kitchen, etc.
Non-biodegradable Pollutants :
- These are not degraded by any biological or microbial actions.
- These include plastics, pesticides, and radioactive materials.
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संबंधित प्रश्न
Given below is a representation of a type pollution.
Study the picture and answer the questions :
1) Name the type of pollution shown in the picture
2) Name one source of this pollution
3) How does this pollution affect human health?
4) Write one measure to reduce this pollution
5) State one gaseous compound that leads to the depletion of the ozone layer and creates ‘Ozone holes’.
Choose the ODD one out from the following terms given and name the CATEGORY to which the others belong:
Detergents, X-rays, sewage, oil spills
Following is a statement about pollution. Which type of pollution does it express?
Fog seems to be appearing in Delhi during day hours.
Read the passage and identify the sentences expressing types of pollution.
Nilesh is a student of Std. VII and lives in urban area. It takes about an hour to go to the school by bus. He faces the heavy traffic of two wheelers, four wheelers, rickshaws, buses while going to school. He is facing the problem of asthma since last few days, Doctors recommended him to stay away from urban area. Since then, his mother sent him to the village of his maternal uncle, Nilesh saw the heaps of garbage at many places in village. Foul smell of human and animal wastes was present at many places. Blackish water with foul smell was flowing in a stream. He developed some abdominal disease within few days.
What is pollution?
Which are invisible pollutants?
What is the effect of oil spills on marine life?
What is soil pollution?
Identify who am I?
I am the type of pollution caused by using too much chemical fertilizers and pesticides by farmers. I lower the quality of soil and even move chemicals into plant parts which are eaten by people. I am _____ pollution.
land or soil pollution happens when toxic ______ change the natural balance in soil.
