Top 1000+ Solved Microbiology MCQ Questions Answer
Q. If only one stain is used for staining a specimen
a. Simple staining
b. Negative staining
c. Differential staining
d. None of these
Q. Other than the sample (specimen) theremaining portion is stained then it is called
a. Simple staining
b. Negative staining
c. Differential staining
d. None of these
Q. If more than one stain is used, suchstaining is called
a. Simple staining
b. Negative staining
c. Differential staining
d. None of these
Q. By using fluorescence property fluorescentantibody technique was developed by
a. Kohler
b. Coons
c. Both and b
d. None of these
Q. During staining for Electron Microscopy, the method which improves contrast of specimen is
a. Positive staining
b. Negative staining
c. Shadow staining
d. None of these
Q. The inorganic forms of nitrogen, whichare accepted by bacteria are
a. Nitrate
b. Nitrites
c. Ammonium salts
d. All of these
Q. Archaeo bacteria are known as
a. Halophiles
b. Red extreme halophiles
c. Osmophiles
d. Extreme thermophiles
Q. Nitrite is converted into nitrate by thebacteria
a. Nitrosomona
b. Nitrosocytes
c. Nitrobacter
d. Azatobacter
Q. Bacillus Schlegelli is
a. Hydrogen – Oxydising bacteria
b. Sulphur – Oxydising bacteria
c. Iron-Oxidising bacteria
d. Nitrite oxidizing bacteria
Q. The group of bacteria which deopends on organic sources in nature for their energy requirements. They are said to be
a. Chemotroph
b. Phototrophs
c. Heterotrophes
d. Organotrophs
Q. Symbionts are
a. Bacteria in symbiotic association
b. The group of fungi in symbiotic association
c. The groups participating in symbiotic association
d. All of these