71. Vitamin B₂ is also known as

1. 1. riboflavin

   
   
   

   2. pyridoxin

   
   
   

   3. ascorbic acid

   
   
   

   4. none of these

   
   
   

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   NA

   Correct Option: A

   NA

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72. The most important energy carrier in the living cell is

1. 1. AMP

   
   
   

   2. ADP

   
   
   

   3. UDP

   
   
   

   4. ATP

   
   
   

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   NA

   Correct Option: D

   NA

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73. Which has the maximum protein ?

1. 1. groundnut

   
   
   

   2. cow-milk

   
   
   

   3. egg

   
   
   

   4. wheat

   
   
   

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   NA

   Correct Option: A

   NA

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74. Which of the following have coiled helical structure ?

1. 1. Proteins

   
   
   

   2. Lipids

   
   
   

   3. Carbohydrated

   
   
   

   4. Vitamins

   
   
   

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   NA

   Correct Option: A

   NA

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75. On hydrolysis proteins give

1. 1. nucleotides

   
   
   

   2. nucleosides

   
   
   

   3. amides

   
   
   

   4. amino acids

   
   
   

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   NA

   Correct Option: D

   NA

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