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MCQs

Total Questions : 119 | Page 5 of 12 pages
Question 41. Which species lack immunoglobulin light chains?
  1.    Camels
  2.    Humans
  3.    cows
  4.    Buffalo
 Discuss Question
Answer: Option A. -> Camels
Answer: (a).Camels
Question 42. IgE provides
  1.    immunity against some parasites
  2.    complement killings of the cells and phagocytosis
  3.    secretions in the body
  4.    all of the above
 Discuss Question
Answer: Option A. -> immunity against some parasites
Answer: (a).immunity against some parasites
Question 43. β-Lymphocytes are often called simply
  1.    B cells
  2.    T cells
  3.    T Lymphocytes
  4.    none of these
 Discuss Question
Answer: Option A. -> B cells
Answer: (a).B cells
Question 44. Fab fragment has
  1.    one antigen binding site
  2.    two antigen binding site
  3.    one antibody binding site
  4.    two antibody binding site
 Discuss Question
Answer: Option A. -> one antigen binding site
Answer: (a).one antigen binding site
Question 45. Monoclonal refers to
  1.    a single clone of antibody-producing cells
  2.    all the antibody molecules which are identical
  3.    the binding with same antigenic site with identical binding affinities
  4.    all of the above
 Discuss Question
Answer: Option D. -> all of the above
Answer: (d).all of the above
Question 46. The main function of antibodies is to
  1.    kill all the foreign bodies
  2.    generate antigens, thus conferring immunization
  3.    protect the circulatory system
  4.    chemically combine with the antigen which induces it, inactivate the antigen and protect the body from disease
 Discuss Question
Answer: Option D. -> chemically combine with the antigen which induces it, inactivate the antigen and protect the body from disease
Answer: (d).chemically combine with the antigen which induces it, inactivate the antigen and protect the body from disease
Question 47. The immunoglobulin fold is
  1.    found only in IgG molecules
  2.    a β-barrel composed of a three- and a four-stranded antiparallel β-sheet
  3.    both (a) and (b)
  4.    found six times in the IgG molecule
 Discuss Question
Answer: Option B. -> a β-barrel composed of a three- and a four-stranded antiparallel β-sheet
Answer: (b).a β-barrel composed of a three- and a four-stranded antiparallel β-sheet
Question 48. Alum is an effective adjuvant because it
  1.    disaggregates the antigen.
  2.    is immunogenic for stem cells
  3.    is immunogenic for T cells
  4.    slows the release of antigen
 Discuss Question
Answer: Option C. -> is immunogenic for T cells
Answer: (c).is immunogenic for T cells
Question 49. A secondary antibody is an antibody that
  1.    has been used in prior experiments
  2.    is synthetically produced
  3.    binds to another antibody
  4.    is produced in boostered animals
 Discuss Question
Answer: Option C. -> binds to another antibody
Answer: (c).binds to another antibody
Question 50. Antibodies of the IgG class
  1.    consist of four subunits
  2.    are glycoproteins
  3.    are secreted into the bloodstream
  4.    all of the above
 Discuss Question
Answer: Option D. -> all of the above
Answer: (d).all of the above

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