Find the incorrect option regarding to immunoglobulin?
1
IgG - 75% of total immunoglobulin and it may cross the placenta.
2
IgM - It first antibodies to be detected after exposure to antigen
3
IgA - it antibody present in all of body secretion like sweet, tear, blood, mucus milk and vaginal secretion
4
lgE - it is role as first line defence mechanism
5
Question Not Attempted