Class IX

Condensation reaction always results in formation of complex sugar (disaccharide or polysaccharide) and
  1. amino acids
  2. amino acids
  3. water
  4. maltose
Secretion of urea in sweat makes skin a
  1. respiratory organ
  2. breathing organ
  3. excretory organ
  4. egestion organ
Opium, morphine and heroin are examples of
  1. opiates
  2. cocaine
  3. depressant drugs
  4. cannabis
Over-breathing is a symptom of
  1. too less oxygen
  2. too much oxygen
  3. too much carbon dioxide
  4. too much carbon monoxide
Toxication may results from large consumptions of
  1. proteins
  2. carbohydrates
  3. fats
  4. vitamins
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