51. Archae bacteria are

1. 1. Earliest known organisms

   
   
   

   2. All halophytes

   
   
   

   3. All chemotrophs

   
   
   

   4. All fossils ferms

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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52. Generally antibiotics are formed from

1. 1. Fungi

   
   
   

   2. Virus

   
   
   

   3. Bacteria

   
   
   

   4. Angiosperm

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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53. Which one of following disease is caused by virus?

1. 1. Small pox

   
   
   

   2. Tuberculosis

   
   
   

   3. Malaria

   
   
   

   4. Cholera

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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54. Which is the cause of Anthex disease?

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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55. The disease AIDS spread

1. 1. By insects

   
   
   

   2. By breathing

   
   
   

   3. By sexual contact

   
   
   

   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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