Class IX

Upper surface of this organ touches diaphragm. This organ is
  1. liver
  2. stomach
  3. duodenum
  4. pyloric sphincter
Genetically identical parents and offsprings are called as
  1. gametes
  2. spores
  3. clones
  4. all of these
Hypothalamus functions as a
  1. negative feedback organ
  2. self-corrective mechanism
  3. detector
  4. stimuli
Jejunum and duodenum can not be distinguished in
  1. nematodes
  2. mammals
  3. animals
  4. all of these
Obesity results if
  1. energy intake is lesser than energy expenditure
  2. umber of enzymes become more than food
  3. energy expenditure is less than energy intake
  4. energy expenditure is more than energy intake
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