Quiznetik
Pollution of air and Water | Set 1
1. Smog = a
A. Smoke in dog’s stomach
B. Smoke + fog
C. Smoke dog
D. frog in fog
Correct : B. Smoke + fog
2. The gas used in refrigerating appliance causing serious damage to ozone is
A. MFCs
B. CFCs
C. LPCs
D. DPCs
Correct : B. CFCs
3. Acid rain mainly contains
A. Sodium chloride
B. Sulphur di oxide and Nitrogen di oxide
C. Hydrochloric acid
D. Carbon tetra chloride
Correct : B. Sulphur di oxide and Nitrogen di oxide
4. Marble cancer is caused by
A. bacteria
B. virus
C. Acid rain
D. Alkali rain
Correct : C. Acid rain
5. Greenhouse effect is
A. Painting house green in colour
B. Wearing green colour dress
C. Having green room in the house
D. Sun’s heat is trapped and not allowed to
Correct : D. Sun’s heat is trapped and not allowed to
6. Greenhouse gases includes
A. CO2, Methane, Nitrous oxide
B. CO2, Argon, Nitrous oxide
C. CO2, Methane, Chlorine
D. CO2, Methane, Flourine
Correct : A. CO2, Methane, Nitrous oxide
7. _____ is a commonly used chemical method for purifying water.
A. Brominization
B. Flourination
C. Filtration
D. Chlorination
Correct : D. Chlorination
8. Ganga Action Plan is associated with
A. Increase of fish culture in the Ganges
B. Reduce Ganga water pollution
C. Construct more bridges over the Ganges
D. Increase water transport on the Ganges
Correct : B. Reduce Ganga water pollution
9. Van Mahotsav is
A. Planting trees in January
B. Cutting trees in January
C. Cutting trees in July
D. Planting trees in July
Correct : D. Planting trees in July