After vaccination,the dose given for the immunization is known as

Primary lymphoid organs $- P$
Secondary lymphoid organs $- Q$
$I -$ Appendix, $II -$ Peyer's patches of small intestine,
$III -$ Thymus, $IV -$ Spleen, $V -$ Lymph node, $VI -$ Bone marrow, $VII -$ Tonsils
Select the correct option for $P$ and $Q$.
$\quad P \quad \quad Q$

Which cells are responsible for the immune response of the body?

Which of the following is not a type of $T$-lymphocyte?

Passive immunity can be obtained by injecting

Immunoglobulins are made up of