Class XII

Drugs, which inhibit the enzymes that catalyze the degradation of noradrenaline, are
  1. Antidepressant drugs
  2. Antihistamine
  3. Analgesics
  4. Anti – fertility
The neurotransmitter that plays a role in mood swings is
  1. Serotonin
  2. Noradrenaline
  3. Dopamine
  4. Glycine
At Critical Micelle concentration, the hydrocarbon part of a soap molecule attaches itself to
  1. Water
  2. Dirt
  3. Remains free
  4. Another soap molecule
Sodium – bi – carbonate is not a preferred antacid becaus
  1. It increases the pH above neutrality
  2. It is a very mild antacid
  3. It is insoluble in water
  4. It causes irritation and pain
Broad spectrum antibiotic are used to
  1. kills both gram – positive and gram – negative bacteria
  2. kill gram – negative bacteria
  3. kill gram – positive bacteria
  4. kills only one type of bacteria
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