Class IX

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.
Purpose of vasomotor nerve is to
  1. control arterioles carrying blood to capillaries
  2. control proximal convoluted tubule
  3. control distal convoluted tubule
  4. control collecting tubule
Purpose of heparin is to
  1. force blood clotting
  2. act as anticlotting agent
  3. failure affect of thrombokinase
  4. help in thrombin production
In guard cells, Potassium ions (K+) combined with sugars lead to
  1. In guard cells, Potassium ions (K+) combined with sugars lead to
  2. increase water potential in guard cells
  3. become turgid
  4. increased temeprature of guard cells
Carboxyhaemoglobin is formed if
  1. CO2 is allowed to mix with hemoglobin
  2. if CO is allowed to react with hemoglobin
  3. if long term exposure to lead and lead poisoning occurs
  4. if carbon is allowed to react with hemoglobin
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LKG - 12th

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