Choose correct pair
$T$ -Lymphocytes $\to$ Do not secrete antibodies but help $B$ -cell to produce them
Interpherons $\to$ Protein which protect on-infected cells from further viral infection
Secondary response $\to$ Highly intense than primary response.
All correct
Which organ is considered as "Graveyard of $RBC$'' where most of them are destroyed by macrophages
In sickle cell anaemia, the death is caused when the lethal genes are present in
Which of the following disease is due to an allergic reaction
A male showing aggressiveness, mood swings, depression, reduction of size of the testicles, decreased sperm production, breast enlargement premature baldness. Possibly he is taking
Lymph $(nodes)$ glands form