21. Ophthalmology is the branch of science in which we study about

1. 1. Nose

   
   
   

   2. Tongue

   
   
   

   3. Eye

   
   
   

   4. Ear

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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22. Study of tissue culture is useful for

1. 1. Non-living

   
   
   

   2. Plant

   
   
   

   3. Air

   
   
   

   4. Water

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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23. Study of blood is called

1. 1. Hepatology

   
   
   

   2. Hematalogy

   
   
   

   3. Histology

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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24. Nephrology is the study of

1. 1. Lung

   
   
   

   2. Kidney

   
   
   

   3. Heart

   
   
   

   4. Brain

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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25. Animals who have constant body temperature are

1. 1. Homeothermic

   
   
   

   2. Hemothermic

   
   
   

   3. Hematology

   
   
   

   4. Histology

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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