6. Type of DNA found in becteria

1. 1. Straight DNA

   
   
   

   2. Helical DNA

   
   
   

   3. Circular DNA

   
   
   

   4. Membrane bound DNA

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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7. Name of bacteria which cause tuberculosis

1. 1. Mycobacterium tuberculosis

   
   
   

   2. Vibrio cholrae

   
   
   

   3. Bacillus coli

   
   
   

   4. Excherichia coli

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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8. Which one of following contains no enzyme?

1. 1. Bacteria

   
   
   

   2. Virus

   
   
   

   3. Lichen

   
   
   

   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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9. Bacteria helpful in making curd from milk

1. 1. Mycobacterium

   
   
   

   2. Staphlio Coccus

   
   
   

   3. Lacto bacillus

   
   
   

   4. Yeast

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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10. Function of Leghaemoglobin in nitrogen fixation is

1. 1. Absorption of oxygen

   
   
   

   2. Nutrion of bacteria

   
   
   

   3. Absorption of light

   
   
   

   4. All

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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