51. Sea lethca alga is

1. 1. Laminaria

   
   
   

   2. Chlorella

   
   
   

   3. Ulva

   
   
   

   4. Batra chospermum

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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52. Which of the following unicellular algae are used as source of oxygen in space research?

1. 1. Ulothrix

   
   
   

   2. Spirogyra

   
   
   

   3. Chlorella

   
   
   

   4. Odogonium

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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53. The antibiotic penicillin was first discovered by

1. 1. Louis Pasteur

   
   
   

   2. Robert Koch

   
   
   

   3. Alexzander Fleming

   
   
   

   4. S. Waksman

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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54. Which of the following do not have chlorophyll?

1. 1. Algae

   
   
   

   2. Bryophytes

   
   
   

   3. Pteridophytes

   
   
   

   4. Fungi

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: D

   N/A

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55. Penicillum is a

1. 1. Virus

   
   
   

   2. Algae

   
   
   

   3. Fungi

   
   
   

   4. Bacteria

   
   
   

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1. View Hint View Answer Discuss in Forum

   N/A

   Correct Option: C

   N/A

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