Advertisements
Advertisements
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’.
उत्तर
1) Air pollution
2) Smoke from vehicles
3) Air pollution results in respiratory problems, lung disorders etc
4) a) Use of unleaded petrol and of CNG.
b) Switching off automobile engines at red lights and when not in use.
5) CFC’s (chlorofluorocarbons) released from refrigerators, aerosol-sprayers etc.
APPEARS IN
संबंधित प्रश्न
Differentiate between primary pollutants and secondary pollutants.
Which one of the following is non-biodegradable?
(A) DDT
(B) Vegetable peel
(C) Cardboard
(D) Bark of trees
Following is a statement about pollution. Which type of pollution does it express?
Problem of sneezing occurs sometimes during visit to garden.
Following is a statement about pollution. Which type of pollution does it express?
Crop does not grow up in some areas.
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 the effect of oil spills on marine life?
What are primary pollutants?
Why should we avoid soil pollution?
Distinguish between the following :
Quantitative Pollutants and Qualitative Pollutants.
Name the following:
The undesirable change in the environment leading to its deterioration.
