Class XI

If levels of glucose (C6H12O6) drop drastically
  1. A person experiences hangover
  2. A person experiences hangover
  3. A person experiences hangover
  4. Glycogen is converted to glucose
Glucose (C6H12O6) converted to glycogen (C24H42O21) may be stored in
  1. Muscles
  2. Lliver
  3. Pancreas
  4. Both A and B
 Two male gametes are formed by the
  1. Vegetative nucleus
  2. Generative nucleus
  3. Tube nucleus
  4. Endosperm nucleus
"Dub" sound is produced when
  1. Atria are fully contracted
  2. When atria start to relax
  3. After semilunar valves are closed
  4. After bicuspid and tricuspid valves suddenly close
Amylase becomes denatured at a acidic pH of
  1. 4
  2. 5
  3. 8
  4. 7
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