Class XI

Purpose of vasodilation and vasoconstriction is to
  1. Release enzymes
  2. Regulate body temperature
  3. Secrete more bile
  4. Help liver to detoxify benzoic acid
Energy released as heat to environment
  1. returns to same system
  2. returns to same organisms that produced it
  3. is non-cyclical in nature
  4. is converted to light
Kinds of tissues making up stomach are
  1. 2
  2. 4
  3. 3
  4. 1
 Wing becomes a flattened extension of testa in
  1. Plumed fruits
  2. Plumed seeds
  3. Winged seeds
  4. Winged fruits
Short term effect of alcohol disturbs the
  1. nervous system
  2. digestive system
  3. cardio-vascular system
  4. all of these
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