Higher concentration of nitrogen dioxide in atmospheric air causes___________________?

Related Mcqs:

1. Moist atmospheric air at high temperature (e.g., in summer) having high concentration of sulphur dioxide causes________________?

   A. Fading of dyes on textiles
   B. Corrosion, tarnishing & soiling of metals
   C. Reduced strength of textiles
   D. All A., B. and C.

2. Presence of nitrogen in high concentration in contaminated air reduces partial pressure of oxygen in lungs, thereby causing asphyxia (suffocation) leading to death from oxygen deficiency. Concentration of N2 in contaminated air at which it acts as a natural asphyxiate is ≥ _____________ percent?

   A. 84
   B. 88
   C. 80
   D. 92

3. From pollution control point of view, the maximum permissible concentration of sulphur dioxide in atmospheric air is about ________________ ppm?

   A. 5
   B. 50
   C. 500
   D. 5000

4. Oceans act as sinks for atmospheric gases including carbon dioxide whose concentration in the atmosphere is increased by the_______________?

   A. Forestation
   B. Rain
   C. Green house effect
   D. Vegetation

5. TLV of ammonia, nitrogen dioxide and phenol vapor in air is ______________ ppm ?

   A. 5
   B. 100
   C. 1000
   D. 2000

6. Atmospheric pollution caused by the exhaust gas of supersonic transport air-crafts is mostly in the atmospheric region called________________?

   A. Thermosphere
   B. Stratosphere
   C. Troposphere
   D. Mesosphere

7. Very small amount of air pollutants are present in stratosphere also; though most of the atmospheric pollutants are present in the troposphere. Which of the following atmospheric pollutants does not cause the ozone layer depletion in atmosphere at tremendous rate ?

   A. CO
   B. SO2
   C. NOx
   D. CFC (chloro fluoro carbons)

8. High concentration of carcinogenic hydrocarbon pollutants in atmospheric air causes____________________?

   A. Cancer
   B. Silicosis
   C. Respiratory disease (e.g., asthma)
   D. Reduced crop yield

9. Acute danger to human life (i.e. death) exists, if the concentration of CO2 in atmospheric air exceeds ______________ percent (by volume)?

   A. 1
   B. 3
   C. 7
   D. 20

10. Death may occur, when SO2 concentration in atmospheric air exceeds ______________ ppm?

    A. 20
    B. 100
    C. 400
    D. 200