(A) Formalin, lipids
(B) Chloroform, lipids
(C) Chloroform, proteins
(D) Formalin, proteins
Category: Microbiology Mcqs
Microbiology Mcqs for NTS, PPSC, FPSC, SPSC, KPPSC, AJKPSC, PMS, NAT, PTS, Educators, Lecturer and all other exams. Here users will find all the Mcqs related to Microbiology. Here users will find mcqs related to study of life and living organisms, living things in an ecosystem, study and structure of organs, study of cells, organisms interaction and their environment, , study of heredity, study of biological molecules, study of DNA and proteins, study of fossils and all microbiology mcqs will be available here.
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