36. Carbon monoxide, emitted by automobiles, prevent transport of oxygen in body due to

1. 1. Combining with oxygen to form cabondioxide

   
   
   

   2. Destruction of haemoglobin

   
   
   

   3. Preventing reaction between oxygen and haemoglobin

   
   
   

   4. Forming stable compound with haemoglobin

   
   
   

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   NA

   Correct Option: D

   NA

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37. BOD is

1. 1. Biological oxygen deficit

   
   
   

   2. Biosphere oxygen demand

   
   
   

   3. Biological oxygen demand

   
   
   

   4. None of above

   
   
   

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   NA

   Correct Option: C

   NA

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38. Among pollutants which has the most lasting effect

1. 1. Carbon monoxide

   
   
   

   2. Pesticides

   
   
   

   3. Sulphur dioxide

   
   
   

   4. Smokes from chimneys

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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39. Spraying of DDT produce pollution of

1. 1. Air

   
   
   

   2. Air and water

   
   
   

   3. Air and soil

   
   
   

   4. Air, water and soil

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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40. Major aerosol pollutant in jet plane emission is

1. 1. Sulphurdioxide

   
   
   

   2. Carbonmonoxide

   
   
   

   3. Methane

   
   
   

   4. Fluorocarbon

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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