Class IX

Lactose can also be called as
  1. milk sugar
  2. malt sugar
  3. cane sugar
  4. grape sugar
Situated above larynx and behind root of tongue is
  1. epiglottis
  2. glottis
  3. incisors
  4. salivary gland
Organic catalysts called enzymes are mainly made up of
  1. Carbohydrates
  2. fats
  3. Potassium
  4. Proteins
Prothrombin helps in
  1. fighting against diseases
  2. giving red color to blood
  3. giving red color to blood
  4. hormones regulations
An overactive thyroid gland may
  1. slow metabolic rate
  2. expedite metabolic rate
  3. may denature metabolic enzymes
  4. may increase pH from 7 to 9 approx.
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