71. The sound lub-dub lub-dub is produced by

1. 1. Liver

   
   
   

   2. Kidney

   
   
   

   3. Heart

   
   
   

   4. Lung

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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72. Which one of the following is a membrane that protects the developing embryo from desication

1. 1. Amnion

   
   
   

   2. Allantdis

   
   
   

   3. Chorion

   
   
   

   4. Yolk sac

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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73. In ureotelic animal urea is formed by

1. 1. Cori's cycle

   
   
   

   2. Krep's cycle

   
   
   

   3. Ornithine cycle

   
   
   

   4. EMP path way

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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74. Number of chamber found in human heart

1. 1. 2

   
   
   

   2. 3

   
   
   

   3. 4

   
   
   

   4. 5

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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75. Which of following is used to know the development of foetus in uterus?

1. 1. X-rays

   
   
   

   2. R-rays

   
   
   

   3. Ultrasound

   
   
   

   4. Ultravoilet rays

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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