Class XI

 Types of amino acids present in proteins are
  1. 22
  2. 44
  3. 66
  4. 77
Human body gets rid of carbon dioxide through
  1. urea
  2. uric acid
  3. expelled in respiration
  4. stored in lungs
Loss of water during sweating stimulates
  1. production of ADH
  2. lesser reabsorption of water
  3. lower osmotic pressure in plasma
  4. release of adrenaline
 Hangover results in
  1. shaking of limbs
  2. more urine passed out
  3. lesser desire to drink water
  4. a very pleasurable feeling
Carbon monoxide (CO) causes
  1. numbness of brain
  2. secretion of adrenaline
  3. weakens wall of alveoli
  4. risk of atherosclerosis
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