46. Precentage of CO₂ found in exhaled air

1. 1. 4%

   
   
   

   2. 8%

   
   
   

   3. 12%

   
   
   

   4. 16%

   
   
   

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   N/A

   Correct Option: A

   N/A

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47. Main nitrogenous product formed in man

1. 1. Urea

   
   
   

   2. Ammonia

   
   
   

   3. Uric acid

   
   
   

   4. Ammonium nitrate

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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48. To complete one heart beat the time taken is

1. 1. 1 sec

   
   
   

   2. 1 minute

   
   
   

   3. 1.5 sec

   
   
   

   4. 0.8 second

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

   N/A

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49. The cells which haveleast regeneration capicity

1. 1. Cell of brain

   
   
   

   2. Muscular cells

   
   
   

   3. Cells of bone

   
   
   

   4. Cells of liver

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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50. Volume of air inspired of expired with each normal breath is known as

1. 1. Inspiratory capicity

   
   
   

   2. Total lung capicity

   
   
   

   3. Total volume

   
   
   

   4. Tidal volume

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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