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Atmosphere of big cities is polluted mos...

Atmosphere of big cities is polluted most by a)Automobile exhausts b)Radioactive fall out c)Household waste d)Pesticide residue

A

automobile exhausts

B

pesticide residue

C

household waste

D

radioactive fall-out

Text Solution

Verified by Experts

The correct Answer is:
A
Automobile exhausts are the largest source of air pollution in big cities. Automobiles releases carbon monoxide (77.2%), hydrocarbons (13.7%) and nitrogen oxide (7.7 %).
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Any further increase in the pollution level in the city by way of industrial effluents and automobile exhaustions would pose a severe threat to the inhabitants. ( A) All the factories in the city should immediately be closed down. (B) The automobiles should not be allowed to ply on the road for more than four hours a day. (C) The government should restrict the issue of fresh licences to factories and automobiles. (D) Cancer, heart attacks, brain strokes, tuberculosis are the major disease which are rapidly increasing in industrial cities. (E) All types of pollutants are very harmful for health. (F) Excessive growth of industries has increased the pollution level in the city. which of the following among (A), (B) , (C) and (D) can not be an immediate course of action for the goverment?

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NEET PREVIOUS YEAR (YEARWISE + CHAPTERWISE)-ENVIRONMENTAL ISSUES-Exercise
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  2. The CO(2) content by volume, in the atmospheric air is about

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  3. Ozone hole is maximum over

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  4. The major contributor of green-house gases to the atmoshere is

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  5. The worst environmental hazards were created by accidents in nuclear p...

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  6. Sewage drained into water bodies kill fishes because

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  7. In Minamata Bay of Japan, the animals which remained free from Minamat...

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  8. The Taj Mahal is threatened due to the effect of

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  9. When huge amount of sewage is dumped into a river, its BOD will

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  10. Sounds above what level are considered hazardous noise pollution?

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  11. The highest DDT concentration in aquatic food chain shall occur in:

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  12. Atmosphere of big cities is polluted most by a)Automobile exhausts b)R...

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  13. A disease caused by eating fish contaminated by industrial waste, cont...

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  14. Ultraviolet radiations from sunlight causes a reaction that produces:

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  15. Most hazardous metal pollutant of automobile exhausts is :

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  16. Domestic waste mostly constitute:

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  17. Green-house effect is warming due to

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  18. Major aerosol pollutant in jet plane emission is

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  19. Which one is not a pollutant normally ?

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  20. Acid rains are produced by

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