Ig A is present in

1. tears
2. Saliva
3. Colostrum

1. I and II
2. II and III
3. I and III
4. I, II and III

Hello Student
Correct answer is 3. I and III
IgA is the immunoglobin which is present in secretions like tears, saliva, muscles, intestine colostrum. These it is also present in blood and lymph