Clonal Selection Theory MCQ

Test your knowledge with important Clonal Selection Theory MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Clonal Selection Theory MCQs at Bissoy

• Which antibody is produced at high levels in response to parasitic functions?
  ক

  IgA

  খ

  IgE

  গ

  IgG

  ঘ

  IgD
• Which is the first antibody secreted by B cells following stimulation by an antigen?
  ক

  IgG

  খ

  IgM

  গ

  IgE

  ঘ

  IgD
• The heavy and light chains of the antibodies are linked to one another by ____________________
  ক

  covalent bonds

  খ

  disulfide bonds

  গ

  ionic bonds

  ঘ

  hydrogen bonds
• Which of the following serves as antigen receptors?
  ক

  antibodies

  খ

  cytokines

  গ

  chemokines

  ঘ

  necrosis factors
• A harmless version of tetanus toxin is called _________________
  ক

  clostridium

  খ

  plasmid

  গ

  toxoid

  ঘ

  thylakoid
• Who discovered the vaccination against smallpox?
  ক

  Louis Pasteur

  খ

  Francis Crick

  গ

  Barbara McClintock

  ঘ

  Edward Jenner
• For the body to develop immunologic tolerance, production of ____________________ must be prevented.
  ক

  antibodies

  খ

  antigens

  গ

  autoantibodies

  ঘ

  lymphocytes
• In case of acquired immune system, a secondary immune response is generated by the ______________
  ক

  memory B-cells

  খ

  germ cells

  গ

  lymphoid tissues

  ঘ

  antigens
• B-lymphocytes that do not differentiate into plasma cells are called _______________________
  ক

  T-lymphocytes

  খ

  Helper T-cells

  গ

  Memory B cells

  ঘ

  Memory T-cells
• Plasma cells possess extensive smooth endoplasmic reticulum.
  ক

  True

  খ

  False
• Some of the activated B-cells lead to the formation of short-lived ______________________
  ক

  plasma cells

  খ

  evanescent waves

  গ

  memory cells

  ঘ

  thymus cells
• Antigens that do not require the involvement of T-cells for the activation of B-cells are _____________________
  ক

  thymus-dependent

  খ

  thymus-independent

  গ

  intracellular pathogens

  ঘ

  facultative anaerobes
• B-cells arise from ______________________
  ক

  progenitor cells

  খ

  antigens

  গ

  antibodies

  ঘ

  natural killer cells
• Who proposed the clonal selection theory?
  ক

  James Watson

  খ

  Niels Jerne

  গ

  Francis Crick

  ঘ

  Frank MacFarlane Burnet
• According to the “instructive model” the antigen instructs lymphocytes to produce antibodies.
  ক

  True

  খ

  False