Biology - Environmental issues

Question - 1

Which of the following does not cause pollution?

  • A Automobiles
  • B Hydroelectric power plant
  • C Thermal powet point 
  • D Nuclear power plant

Question - 2

World enviroment day is celebrated on

  • A 5th june
  • B 28th february
  • C 7th august
  • D 10th april

Question - 3

Which of the following is normally not an important atmospheric pollutant?

  • A CO2
  • B CO
  • C SO2
  • D hydrocarbons

Question - 4

Which one of the following is a secoundary air pollutant?

  • A SO2
  • B CO
  • C PAN
  • D Aerosol

Question - 5

Photochemical smog pollution does not contain

  • A ozone
  • B nitrogen dioxide
  • C carbon dioxide
  • D PAN (Peroxy Acetyl Nitrate)

Question - 6

Recent reports of acid rains in big industrial cities are due to the effect of atmospheric pollution by

  • A more release of NO2 and SO2 by burning of fossil fuels
  • B more release of CO2 by burning of coal/wood cutting of forests and increasing populations
  • C excessive release of NH3 by coal gas/industries
  • D excessive release of CO by incomplete combustion of carbonaceous fuels

Question - 7

Carbon monoxide combines with haemoglobin to form 

  • A carboxyhaemoglobin
  • B leghaemoglobin
  • C haemocyanin
  • D methaemglobin

Question - 8

In 1984, the Bhopal gas tragedy took place because methyl isocyanate

  • A reacted with DDT
  • B reacted with ammonia
  • C reacted with CO2
  • D reacted with water

Question - 9

Which of the following is correct?

  • A PAN (peroxy Acetyl Nitrate) is a secondary pollutant
  • B Photochemical smog was first observed in Los Angeles
  • C Carbon monoxide has about 200 times greater affinity for haemoglobin as compared to oxygen
  • D All of the above

Question - 10

Pollution of SO2 destroys

  • A lichen
  • B fungi
  • C algae
  • D fishes
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