31. Yeast is

1. 1. bacteria

   
   
   

   2. antibiotic

   
   
   

   3. virus

   
   
   

   4. fungi

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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32. Biuret test is used for the detection of

1. 1. sugars

   
   
   

   2. fats

   
   
   

   3. proteins

   
   
   

   4. saturated oils

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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33. The human body does not produce

1. 1. vitamins

   
   
   

   2. enzymes

   
   
   

   3. proteins

   
   
   

   4. hormones

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: A

   NA

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34. Hydrolysis of cane sugar is called

1. 1. saponification

   
   
   

   2. hydration

   
   
   

   3. inversion

   
   
   

   4. esterification

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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35. Deficiency of which one of the following causes xerophthalmia

1. 1. Vitamin B₃

   
   
   

   2. Vitamin B₁₂

   
   
   

   3. Vitamin A

   
   
   

   4. Vitamin C

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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