(A) Spirilla
(B) Spirochetes
(C) Bacillus
(D) Coccus
Tag: General Microbiology Mcqs
Which one of the followings is INCORECT for live vaccine?
(A) Require larger dose / more boosters
(B) Require special storage (cold chain)
(C) Can conceivably mutate back to virulent stain
(D) Confer long-lasting protection
Which is true for immunogenicity & antigenicity?
(A) An antigenic particle is always immunogenic, but the reverse is not true.
(B) The terms are synonymous.
(C) A particle that is immunogenic will trigger an adaptive immune response.
(D) A particle that is antigenic will trigger an adaptive immune response.
Autoclave standards for decontamination of most microbiological materials is:
(A) 100oC at 15 psi for 10 minutes
(B) 121oC at 15 psi for 10 minutes
(C) 100oC at 10 psi for 60 minutes
(D) 121oC at 15 psi for 60 minutes
With respect to lymphocyte antigen receptors, which of the following statements is FALSE?
(A) The pool of lymphocytes can express several million different antigen receptors.
(B) A single lymphocyte can express several thousand antigen receptors.
(C) A single lymphocyte can only recognize a single antigenic epitope.
(D) A single lymphocyte can express several thousand different antigen receptors.
Light chain DOES NOT originate from __region.
(A) Variable
(B) Joining
(C) Diversity
(D) Constant
Which one of the following is NOT the desired property for enzyme in ELISA?
(A) High turnover rate
(B) Readily coupled to proteins
(C) Resistant to high salt concentration
(D) Cheap
__ is an example of suspension cell line.
(A) Vero cell line (Monkey Kidney cells)
(B) Hela cell line (Human Cervix cells)
(C) HEK 293 cell line (Human kidney cells)
(D) YAC-1 cell line (Mouse Lymphoma cells)