Environment Science Daily MCQ – 10
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Environment Science Daily MCQ Study
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Q.1: Which category of wastewater dosen’t require seeding during a BOD test?
- Distillery spentwash
- Dyeing unit effluent
- Domestic sewage
- Pulp and Papermill effluent
Q.2: Demography is the statistical study of?
- Human Society
- Human Population
- Human Settlement
- Human life
Q.3: Elemental chlorine is widely used in?
- Metallurgy
- Water purification
- Process industry
- Deodrants
Q.4: The pH of normal, rain is?
- 6.5
- 5.6
- 4.6
- 3.6
Q.5: Among the following which gas is found in maximum concentration in atmosphere?
- Rn
- Xe
- Kr
- Ar
Q.6: The dominance of a new genetic form as a result of environment change is called?
- Adaptation
- Natural selection
- Succession
- Synergism
Q.7: Ventilation coefficient is?
- Maximum mixing depth divided by average wind speed.
- Product of maximum mixing depth and maximum wind speed.
- Maximum mixing height divided by maximum wind speed
- Product of maximum mixing depth and average wind speed
Q.8: Air pollution can be controlled and reduced considerably, but which one of the following factors comes in its way?
- Politics
- Economics
- Geography
- Manpower
Q.9: Mosquito repellent coils / mats contain?
- BHC
- Paraquat
- Toxaphene
- Derivatives of Allethrin
Q.10: Photocopying and other electrical equipment produce one of the following pollutants?
- Methane
- Ozone
- Hydrogen
- Nitrogen oxides
Q.11: The concentration of CO2 in atmosphere is increasing at the rate of about?
- 2%
- 4%
- 0.20%
- 0.40%
Environment Science Daily MCQ – 10
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