1.

Which of the following is true about IgM?1. It is not produced by vertebrates2. It forms the initial immune response3. It is not an isotypes of antibody4. It is the smallest antibody

Answer» Correct Answer - Option 2 : It forms the initial immune response

Concept:

  • The human immunoglobulin system has 5 major classes.
  • IgG, IgM, IgA, IgD, and IgE are five immunoglobulins.
  • IgM appears first in exposure to antigen, followed by IgA.
  • The presence of IgM signifies a recent infection.
  • It has high agglutinating properties.

Explanation:

  • IgM is produced by vertebrates.
  • IgM is one of the isotypes of immunoglobulin.
  • IgG is the smallest antibody in the human body. It is also the most common immunoglobulin.

A fetus can also produce IgM.



Discussion

No Comment Found

Related InterviewSolutions