(A) Formalin, lipids
(B) Chloroform, lipids
(C) Chloroform, proteins
(D) Formalin, proteins
Tag: General Microbiology Mcqs
Regarding MHC-I, which statement is FALSE?
(A) Ag. presented by MHC-I is recognized by CTL.
(B) It typically processes antigens exogenously.
(C) Peptide binding cleft is formed by α 1/α2.
(D) It is present on all nucleated host cells.
A T-cell that has the CD8+ marker can be a:
(A) Cytotoxic T cell
(B) Natural Killer T cell
(C) Helper T cell
(D) T Regulatory cell
Stick method of virus inoculation is used for:
(A) Newcastle disease virus
(B) Fowl pox virus
(C) FMD virus
(D) Avian influenza virus
Which one of following is CORRECT about T-cell?
(A) Has both MHC-I and MHC-II molecules.
(B) Can kill infected host cells.
(C) Does not require antigen processing/presentation
(D) Differentiate into plasma cells
If LD50 is 10-5.6 using 100μl of sample, then what will be the virus titer.
(A) 10-4.6
(B) 10-5.6
(C) 106.6
(D) 10-6.6
In AGPT, precipitation band will appear if:
(A) Antigen antibody reaction is specific
(B) Antigen is soluble
(C) Conc. of antigen and antibody are optimum
(D) All of the above
Sample of choice in Marek’s disease is __.
(A) Liver tissue
(B) Feather follicle
(C) Pieces of lymph node
(D) Bursa of fabricius