11. In lichen symbiotic relationship between fungi and algae is called

1. 1. Halotism

   
   
   

   2. Parasitism

   
   
   

   3. Saprophytism

   
   
   

   4. None of these

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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12. Litmus paper used in laboratary obtained from

1. 1. Green algae

   
   
   

   2. Blue-green algae

   
   
   

   3. Lichen

   
   
   

   4. Fungi

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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13. Pond Sillc is the common name of

1. 1. Spirogyra

   
   
   

   2. Chlorella

   
   
   

   3. Ulva

   
   
   

   4. Nostoc

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: A

   N/A

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14. Which one of following statement is correct ?

1. 1. Prions are the smallest free living cells

   
   
   

   2. The cell wall of mycoplasmas is made up of amino sugar

   
   
   

   3. Viroids consist of single stranded RNA molecule

   
   
   

   4. Rickettsias lack cell wall

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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15. Expanded form of HIV is

1. 1. Human immune virus

   
   
   

   2. Human immunity deficiency virus

   
   
   

   3. Human immune deficiency syndrome virus

   
   
   

   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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