Class IX

Antibodies are produced commercially by mixing a lymphocyte with
  1. a bacteria
  2. a fungus
  3. a tumor cell
  4. a non-living tissue
From medulla oblongata to end of vertebral column is
  1. digestive system
  2. respiratory system
  3. spinal cord
  4. all of these
Skin gets its characteristic color due to
  1. dermis
  2. cornified layer
  3. cornified layer
  4. malpighian layer
Antibodies are produced commercially by mixing a lymphocyte with
  1. a bacteria
  2. a fungus
  3. a tumor cell
  4. a tumor cell
From medulla oblongata to end of vertebral column is
  1. digestive system
  2. respiratory system
  3. spinal cord
  4. all of these
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LKG - 12th

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