56. Foot and mouth disease in animal is caused by

1. 1. Bacteria

   
   
   

   2. Virus

   
   
   

   3. Fungi

   
   
   

   4. Algae

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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57. Microorganisms are seen only with

1. 1. Open eye

   
   
   

   2. Naked eye

   
   
   

   3. Microscope

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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58. Anthrax is caused by

1. 1. Virus

   
   
   

   2. Bacteria

   
   
   

   3. Mycoplasm

   
   
   

   4. Algae

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: B

   N/A

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59. The bacteria which convert nitrites to nitrates is

1. 1. Nitrosococcus

   
   
   

   2. Nitrosomonas

   
   
   

   3. Nitrobacter

   
   
   

   4. Azotobacter

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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60. Virus which containd RNA as gentic material is/are

1. 1. Reovirus

   
   
   

   2. Reterovirus

   
   
   

   3. Ribo virus

   
   
   

   4. All

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

   N/A

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