Class XI

 Most of water and minerals are absorbed in zone of
  1. Cell multiplication
  2. Cell elongation
  3. Cell maturation
  4. All of these
Excessive sweating enables
  1. Production of ADH
  2. Loss of latent heat
  3. Greater conduction
  4. Lower metabolic rate
Life span of platelets is
  1. 1 day or less
  2. 6 days
  3. 60 days
  4. 120 days
Mucus is made through
  1. Fats
  2. Llipids
  3. Carbohydrates
  4. Amino acids
Heat, acids (H+) or alkalis (OH-) easily break the
  1. Coils in proteins structure
  2. Glucose into galactose
  3. Saturated fats in cholesterol
  4. Cellulose into glucose
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