Q.1
What will happen to the Anergic T helper ?
  • May bind with B lymphocytes
  • Will be reabsorbed in the secondary lymphoid organ
  • Remain in circulation functionless till apoptosis
  • May get activated when the CD28 is expressed adequately the next time
Q.2
Signal 0 is ----------------------
  • Binding of antigen to MHC II in APC
  • Presence of specific molecular patterns in presented antigens
  • Phagosome formation
  • Transfer of T cells to Secondary lymphoid organs
Q.3
Conditions required for successful activation of T helper
  • Presence of signal 0
  • Presence of inadequate amount of CD28
  • Formation of microclusters of TCR complex in T helper
  • All of above
Q.4
Autocrine signalling happens during ------------------- of T helper cells
  • MHC II binding with TCR
  • Synthesis of CD28
  • Differentiation of T helper
  • None of the above
Q.5
The antibody that exists as a pentamer
  • IgG
  • IgE
  • IgD
  • IgM
Q.6
The antibody that is usually seen in secretions
  • IgA
  • IgD
  • IgM
  • IgE
Q.7
HAPTENS are also known as
  • BSA
  • Oil in water emulsions
  • ISCOMs
  • Partial antigens
Q.8
Agglutination reaction is seen in
  • Blood grouping
  • Gel precipitation
  • Soluble antigens
  • All of the options
Q.9
Variable region of antibodies are located on
  • Fc portion
  • Constant region
  • Fab portion
  • Light chains only
Q.10
An epitope is located on
  • Antibody
  • Antigen
  • Both antibody and antigen
  • None of these
0 h : 0 m : 1 s