Class XI

Superior vena cava is formed through
  1. subclavian vein and jugular vein
  2. subclavian vein and hepatic vein
  3. pulmonary vein and jugular vein
  4. iliac and renal veins
Sweat glands become less active if
  1. heat loose center of hypothalamus is activated
  2. heat gain center of hypothalamus is activated
  3. low glucose detector part of hypothalamus is stimulated
  4. high glucose detector part of hypothalamus is stimulated
 In a healthy lung, air spaces or air sacs
  1. are few
  2. are in form of large air sacs
  3. are too fine to be visible
  4. may become carcinogenic
 Post fertilization, pericarp gets developed from
  1. fruit
  2. ovary wall
  3. ovule
  4. funicle
Average daily intake of iron for adults is
  1. about 0.02 grams
  2. about .06 grams
  3. about 0.08 grams
  4. about 1 gram
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