CSIR UGC NET JRF Life Sciences Biology Practice Test on Immunology

This practice test is designed to assess your  knowledge in ‘immunology ’. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
cells of immune system

1. Which one of the following is NOT a characteristic of the innate immune system?
It acts immediately or within hours of appropriate stimulus.
It involves granulocytes.
Its response is enhanced on repeated exposure to pathogen.
It involves one type of large, granular lymphocytes.
2. Which one of the following statements concerning leukocytes is correct?
All phagocytes are granulocytes
No cells of the innate immune system are lymphocytes
Eosinophils are reactive against invasive helminthic infections
Neutrophils have a longer lifespan than macrophages
3. T cell receptors recognize which type of molecule presented by MHC molecules?
4. The site of B cell development in mammals is:
the bursa of Fabricius
the thymus
the bone marrow
the lymph nodes
5. Class I MHC molecules present peptides obtained from:
the extracellular space
the interstitial fluid
the plasma
the cell cytoplasm
6. The primary role of Th-2 cells is to:
function as T killer cells
activate NK cells
activate macrophages
activate B cells
7. IgM that is present on the naive mature B cell is
a pentamer
a trimer
a dimer
a monomer
8. The portion of the antibody molecule that binds antigenic epitopes is
termed the determinant
composed of a variable and a constant region of IgH and IgL
composed of the variable regions of IgH and IgL chains.
the Fc fragment
9. In the alternative complement pathway, foreign antigen is recognized by
FAS ligand
circulating immunoglobulin IgG
the characteristics of the antigenic surface
circulating immunoglobulin IgM
10. IgE binds to
dendritic cells
B cells
mast cells
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Correct answers:


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  1. perfect test exercise

  2. Helpful exercise.thanks.looking forward to get more such exercises.

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