Most hazardous metal pollutant of automobile exhaust is:

Related Mcqs:

1. Which of the following pollutant is not the product of automobile exhaust?

   A. SO2
   B. Fly ash
   C. CO
   D. Hydrocarbons

2. The automobile emission can be reduced by adding the following in the petrol:

   A. Calcium salts
   B. Cobalt salts
   C. Silicon oil
   D. Barium salts

3. Which is a degradable pollutant?

   A. DDT
   B. Aluminum foil
   C. Domestic wastes
   D. Mercury slats

4. Which of the following is a secondary pollutant?

   A. CO
   B. CO2
   C. PAN
   D. Aerosol

5. Carbon monoxide is a pollutant because:

   A. It reacts with O2
   B. It inhibits glycolysis
   C. Reacts with haemoglobin
   D. Makes nervous system inactive

6. Which of the following is a biodegradable pollutant?

   A. Sewage
   B. Asbestos
   C. Plastic
   D. All of these

7. Which of the following gases is regarded as an atmospheric pollutant?

   A. O2
   B. O3
   C. SO2
   D. N2

8. A pollutant is any substance, chemical cycles

   A. The natural geo-chemical cycles
   B. The natural balance of our environment
   C. The natural flora of a place
   D. The natural wildlife of a region

9. Which major aerosol pollutant is present in jet aircraft emission?

   A. SO2
   B. Fluoro-carbons
   C. CCI4
   D. CO

10. Which of the following is not an important atmospheric pollutant?

    A. CO
    B. SO2
    C. CO2
    D. Hydrocarbons