00:01
Hello, for the first part of the question the correct option should be correct option is option b.
00:14
That is the passive immunity.
00:18
So if i talk that when immunity is developed in one individual and transferred to another individual another individual who was not who was not previously immune who was not previously immune? it does not require it does not require the recipient immune system immune system to actively respond that's why the immunity builds up as passive immunity coming to the next part of the question the correct option the correct option is option a.
01:42
The correct option is option a because these specialized t cells that is the helper t cells they play a crucial role in coordinating in coordinating and regulating coordinating and regulating the immune responses the immune responses they stimulate and activate they stimulate and activate other immune cells like b cells t cells as well as the phagocytes as well as the phagocyte.
02:40
Coming to the third part of the question the correct option the correct option is option b.
02:52
The correct option is option b.
02:55
That is iga antibodies or immunoglobulin a antibody.
03:02
This is an antibody that can trigger that can trigger allergic reactions allergic reactions and hypersensitivity responses in body hypersensitivity responses in the body.
03:32
Now coming to the next part of the question the correct option the correct option is option c.
03:41
That is iga antibodies and this option is correct because it is the major class of immunoglobulin which is found in mucous membranes, tears, saliva and respiratory and gastrointestinal...