Top 1000+ Solved Microbiology MCQ Questions Answer
Q. The best example for symbiotic association is
a. E.coli in intestine of man
b. Lichens
c. Normal floraof skin
d. All of the above
Q. The enzymes responsible for decomposition is
a. Lipolytic
b. Proteolytic
c. Lysozyme
d. Both a and b
Q. Urea is decomposed by the species
a. Micrococcus sps.
b. Nitrosomonas sps.
c. Proteus sps.
d. Both a and c
Q. Phycobiont is
a. The algal part in Lichens
b. The fungal part in Lichens
c. Laustoria formation
d. None of these
Q. The total no. of genes in the group ofsame individuals is
a. Genome
b. Gene map
c. Gene pool
d. None of these
Q. The bacterial cells participating inconjugation are
a. Conjugant
b. Fertile cells
c. Exconjugants
d. None of these
Q. The microorganism engulfed by phagocyte resides in a vacuole is known as
a. Phagosome
b. Lysosome
c. both a and b
d. None of these
Q. Toxic products in phagolysosome are
a. H2SO4
b. Singlet O2
c. Superoxide radicals
d. All of these
Q. During destruction of antigen particle in phagolysosome the product formed in phagolysosome the product formed during formulation is
a. Acetic acid
b. Lactic acid
c. Citric acid
d. None of these
Q. The coating of a bacterium with antibody or complement that leads to enhanced phagocytosis of the bacterium by phagocytes is called
a. Opsonisation
b. Aggulation
c. CFT
d. None of these
Q. Attenuation means
a. Killing of the bacteria (microorganism)
b. Inactivation of bacteria
c. More activating the bacteria
d. Both 1 and 2
Q. Infection that results in pus formation arecalled
a. Focal infection
b. Acute infection
c. Pyogenic infection
d. Chronic infection