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MCQs

Total Questions : 76 | Page 1 of 8 pages
Question 1. IgG consists of ____________
  1.    A light chain and two heavy chains joined by a disulfide bond
  2.    Two light chains and a heavy chain joined by a disulfide bond
  3.    Two light chains and two heavy chains joined by a disulfide bond
  4.    Two light chains and two heavy chains joined by hydrogen bond
 Discuss Question
Answer: Option C. -> Two light chains and two heavy chains joined by a disulfide bond
Answer: (c).Two light chains and two heavy chains joined by a disulfide bond
Question 2. Which of the following is a true statement?
  1.    IgG is involved in primary immune response
  2.    IgM is involved in primary immune response
  3.    IgG is involved only in secondary immune response
  4.    IgG and IgM both are involved in primary immune response
 Discuss Question
Answer: Option D. -> IgG and IgM both are involved in primary immune response
Answer: (d).IgG and IgM both are involved in primary immune response
Question 3. Which of the following is not a feature of secondary immune respone to an antigen when compared to the first immune response to the same antigen?
  1.    Antibody is generated without T-cell help
  2.    Antibody is generated fast
  3.    Antibody produced has greater affinity for the antigen
  4.    Much antibody is produced
 Discuss Question
Answer: Option A. -> Antibody is generated without T-cell help
Answer: (a).Antibody is generated without T-cell help
Question 4. The primary antibody of exocrine secretions is ____________
  1.    IgA
  2.    IgE
  3.    IgG
  4.    IgM
 Discuss Question
Answer: Option A. -> IgA
Answer: (a).IgA
Question 5. Which of the following presents antigenic peptide to T-cells in order to initiate an adaptive immune response?
  1.    Plasma cell
  2.    Dendrite cell
  3.    Neutrophil
  4.    Epithelial cell
 Discuss Question
Answer: Option A. -> Plasma cell
Answer: (a).Plasma cell
Question 6. Light band has which of the following filament protein?
  1.    Actin
  2.    Myosin
  3.    Actin and myosin
  4.    Tubulin
 Discuss Question
Answer: Option A. -> Actin
Answer: (a).Actin
Question 7. The cross bridges involved in muscle contraction are located on the __________
  1.    Myosin myofilaments
  2.    Actin myofilaments
  3.    Tropomyosin
  4.    Dystrophin
 Discuss Question
Answer: Option A. -> Myosin myofilaments
Answer: (a).Myosin myofilaments
Question 8. The contractile unit consisting of bundles of thick filaments interleaved at either end with those of thin filaments is?
  1.    Myofibril
  2.    Cross bridges
  3.    Z band
  4.    Sarcomere
 Discuss Question
Answer: Option D. -> Sarcomere
Answer: (d).Sarcomere
Question 9. Contractile protein of a muscle is __________
  1.    Troponin
  2.    Myosin
  3.    Tubulin
  4.    Tropomyosin
 Discuss Question
Answer: Option B. -> Myosin
Answer: (b).Myosin
Question 10. Which of the following contractile protein of skeletal muscle involve in ATPase activity?
  1.    Troponin
  2.    Myosin
  3.    Tubulin
  4.    Tropomyosin
 Discuss Question
Answer: Option B. -> Myosin
Answer: (b).Myosin

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