Class XII

The enzyme which helps in the production of alcohol from monosaccharides is ;
  1. Lactase
  2. Diastase
  3. Amylase
  4. Zymase .
The thyroid gland secretes the hormone :
  1. Estrogen
  2. Testosterone
  3. Cortisone
  4. Thyroxine
In DNA , the complementary bases are :
  1. Uracil and adenine : cytosine and guanine
  2. Adenine and thymine : guanine and cytosine
  3. Adenine and thymine : guanine and uracil
  4. Adenine and guanine : thymine and cytosine .
The polysaccharde which is part of the diet but cannot be digested is :
  1. Glucose
  2. Sucrose
  3. Cellulose
  4. Maltose
Which of the following is a disaccharide ?
  1. Lactose
  2. Starch
  3. Cellulose
  4. Fructose .
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