When ready-made.... ......... are directly given to protect the body against foreign agents, it is called passive immunity.

‘Amoebiasis’ (Amoebic dysentery) is caused by

Full forms : PMNL & ARC
 

What is the main lymphoid organ where all blood cells including lymphocytes are produced?

Which of the following plants are used to treat bone fractures?

‘Haemophilia' disease is caused due to lack of