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MCQs

Total Questions : 57 | Page 6 of 6 pages
Question 51. NK cells can kill their target even in the absence of antigen.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 52. What is the origin of B-cell?
  1.    Pancreas
  2.    Liver
  3.    Thymus
  4.    Bone marrow
 Discuss Question
Answer: Option D. -> Bone marrow
Answer: (d).Bone marrow
Question 53. Which of the following is responsible for B-cell activation?
  1.    Infection
  2.    Antibody
  3.    Antigen
  4.    Allergy
 Discuss Question
Answer: Option C. -> Antigen
Answer: (c).Antigen
Question 54. Which of the following acts as a coreceptor for B-cell activation?
  1.    CD28
  2.    IL-2
  3.    IgA
  4.    CD19
 Discuss Question
Answer: Option D. -> CD19
Answer: (d).CD19
Question 55. What is the meaning of thymus independent B-cell activation?
  1.    Without the participation of T-cell
  2.    Do not mature in the thymus
  3.    Thymus would not take part in its activation
  4.    Affinity maturation takes place in the thymus
 Discuss Question
Answer: Option A. -> Without the participation of T-cell
Answer: (a).Without the participation of T-cell
Question 56. Hybridoma technology is used to produce___________
  1.    Interferons
  2.    Monoclonal antibodies
  3.    Antibodies
  4.    Immune response
 Discuss Question
Answer: Option B. -> Monoclonal antibodies
Answer: (b).Monoclonal antibodies
Question 57. Out of these, which transcription factor does not take part in B-cell activation?
  1.    Abl
  2.    NF- kB
  3.    Jun
  4.    Fos
 Discuss Question
Answer: Option A. -> Abl
Answer: (a).Abl

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