Solved papers for NEET Chemistry NEET PYQ-Environmental Chemistry

done NEET PYQ-Environmental Chemistry Total Questions - 8

• question_answer1) The decomposition of organic compounds, in the presence of oxygen and without the development of odoriferous substances, is called:   [AIPMT 1999]
  A)
  decay
  done clear
  B)
  -fixation       
  done clear
  C)
  nitrification
  done clear
  D)
  denitrification
  done clear
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• question_answer2) Which of the following is responsible for depletion of the ozone layer in the upper strata of the atmosphere?
  A)
  Polyhalogens
  done clear
  B)
  Ferrocenes         
  done clear
  C)
  Fullerenes
  done clear
  D)
  Freons
  done clear
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• question_answer3) Green chemistry means such reactions which [AIPMT (S) 2008]
  A)
  produce colour during reactions
  done clear
  B)
  reduce the use and production of hazardous chemicals
  done clear
  C)
  are related to the! depletion of ozone layer
  done clear
  D)
  study the reactions in plants
  done clear
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• question_answer4) Which one of the following statements is not true? [AIPMT (S) 2011]
  A)
  Concentration of DO below 6 ppm is good for the growth of fish
  done clear
  B)
  Clean water would have a BOD value of less than 5 ppm
  done clear
  C)
  Oxides of sulphur, nitrogen and carbon are the most widespread air pollutant
  done clear
  D)
  pH of drinking water should be between 5.5-9.5
  done clear
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• question_answer5) Which one of the following statements regarding photochemical smog is not correct? [AIPMT (S) 2012]
  A)
  Carbon monoxide does not play any role in photochemical smog formation
  done clear
  B)
  Photochemical smog is an oxidizing agent in character
  done clear
  C)
  Photochemical smog is formed through photochemical reaction involving solar energy
  done clear
  D)
  Photochemical smog does not cause irritation in eyes and throat
  done clear
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• question_answer6) Which one of the following is not a common component of photochemical smog?                 [AIPMT 2014]
  A)
  Ozone
  done clear
  B)
  Acrolein
  done clear
  C)
  Peroxyacetyl nitrate
  done clear
  D)
   Chlorofluorocarbons
  done clear
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• question_answer7) Which of the following is a sink for CO?  [NEET-2017]
  A)
  Plants
  done clear
  B)
  Haemoglobin
  done clear
  C)
  Micro-organisms present in the soil
  done clear
  D)
  Oceans
  done clear
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• question_answer8) Among the following, the one that is not a greenhouse gas is:                         [NEET 2019]
  A)
  Ozone
  done clear
  B)
  sulphur dioxide
  done clear
  C)
  Nitrous oxide
  done clear
  D)
  methane
  done clear
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