Environment Science Daily MCQ – 10

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Environment Science Daily MCQ – 10

Environment Science Daily MCQ

   MCQ on Agriexam.com

Environment Science Daily MCQ Study

[google-translator]

Agriexam Daily Quiz

 

Q.1: Which category of wastewater dosen’t require seeding during a BOD test?

  1. Distillery spentwash
  2. Dyeing unit effluent
  3. Domestic sewage
  4. Pulp and Papermill effluent

Answer: 3

 

Q.2: Demography is the statistical study of?

  1. Human Society
  2. Human Population
  3. Human Settlement
  4. Human life

Answer: 2

 

Q.3: Elemental chlorine is widely used in?

  1. Metallurgy
  2. Water purification
  3. Process industry
  4. Deodrants

Answer: 3

 

Q.4: The pH of normal, rain is?

  1. 6.5
  2. 5.6
  3. 4.6
  4. 3.6

Answer: 2

 

Q.5: Among the following which gas is found in maximum concentration in atmosphere?

  1. Rn
  2. Xe
  3. Kr
  4. Ar

Answer: 4

 

Q.6: The dominance of a new genetic form as a result of environment change is called?

  1. Adaptation
  2. Natural selection
  3. Succession
  4. Synergism

Answer: 2

 

Q.7: Ventilation coefficient is?

  1. Maximum mixing depth divided by average wind speed.
  2. Product of maximum mixing depth and maximum wind speed.
  3. Maximum mixing height divided by maximum wind speed
  4. Product of maximum mixing depth and average wind speed

Answer: 4

 

Q.8: Air pollution can be controlled and reduced considerably, but which one of the following factors comes in its way?

  1. Politics
  2. Economics
  3. Geography
  4. Manpower

Answer: 2

 

Q.9: Mosquito repellent coils / mats contain?

  1. BHC
  2. Paraquat
  3. Toxaphene
  4. Derivatives of Allethrin

Answer: 4

 

Q.10: Photocopying and other electrical equipment produce one of the following pollutants?

  1. Methane
  2. Ozone
  3. Hydrogen
  4. Nitrogen oxides

Answer: 2

 

Q.11: The concentration of CO2 in atmosphere is increasing at the rate of about?

  1. 2%
  2. 4%
  3. 0.20%
  4. 0.40%

Answer: 4

Environment Science Daily MCQ – 10

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