(A) restriction enzyme
(B) dyes
(C) antibiotics
(D) radiation
Reaction of soluble antigen with antibody is __.
(A) Agglutination
(B) Precipitation
(C) Flocculation
(D) CFT
Vaccination is based on the principle of:
(A) Agglutination
(B) Phagocytosis
(C) Immunological memory
(D) Clonal deletion
Cell mediated immunity is mainly carried out by:
(A) T cells
(B) B cells
(C) Macrophages
(D) Monocytes
Which one is an essential part of life cycle of Toxoplasma gondii is spread by:
(A) Dog
(B) Cat
(C) Human
(D) Sheep
HIV infects most commonly:
(A) CD4+ cells
(B) CD8+ cells
(C) B-lymphocytes
(D) Basophils
Aflatoxin is produced by:
(A) Candida
(B) Penicillium
(C) Aspergillus flavus
(D) Clostridium
HCV belongs to genus:
(A) Togavirus
(B) Flavivirus
(C) Filovirus
(D) Retrovirus