Most Important & Most Repeated MCQs

  • In Primary Response
  • In Secondary Response
  • In Secretions
  • On B cell surface
  • A
  • IgA is the one of the five primary immunoglobulin.
    IgA plays vital role against infectious microorganisms.

  • Dipeptides
  • Lipids
  • Polypeptides
  • Disaccharides
  • A
  • MHC stands for Major Histocompatibility Complex.

  • Oral Vaccine
  • OPV
  • Salk
  • Sabin
  • B
  • OPV stands for Oral Polio Vaccine.

  • They won’t be able to swim in the water
  • They will get more food
  • They will get small
  • They will die of suffocation
  • A
  • Polluted water from factory
  • Toxic matter from factory
  • Polluted air from factory
  • Solid waste from factory
  • C
  • Emmited polluted air from factories are main cause of bronchitis.
    Smoking is another cause of bronchitis.

  • Cell Wall
  • Centrosomes
  • Nucleus
  • Vacuole
  • B
  • Centrosomes and Lyosomes are found in animal cells not exist in plant cells.

  • Acid Rain
  • Ozone Depletion
  • Oil Spillage
  • Global Warming
  • B
  • Some refrigerators are extremely harmful for Ozone layer and greenhouse gases also.

  • Rod and round only
  • Round and spiral only
  • Rod and spiral only
  • Spiral, Rod and cockscrew
  • D
  • Bacteria are classified into five groups accrding to their shapes, which are:
    Spherical
    Rod
    Spiral
    Comma
    Cockscrew

  • Sweet
  • Bitter
  • Sour
  • None of these
  • A
  • The back of tongue is most sensitive to bitter substances.