Class IX

Rate of heartbeat and blood pressures increases due to
  1. tar
  2. nicotine
  3. cocaine
  4. morphine
Agglutination is
  1. clumping of bacteria together
  2. easy attack by antitoxins
  3. eating of phagocytes
  4. formation of pus
Rickets is characterized by
  1. knocked knees
  2. bowed legs
  3. swollen joints
  4. both A and B
Death can result due to meningitis caused by
  1. virus
  2. bacteria
  3. fungi
  4. amoeba
Process in which digested food particles are taken into body cells is called as
  1. digestion
  2. assimilation
  3. absorption
  4. eating a lot
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