Top 250+ Solved Bacteria and Gram Staining MCQ Questions Answer
Q. Metachromatic granules can be stained with
a. Saffranine
b. Methylene blue
c. Crystal violet
d. Pienic acie
Q. Endospores can be stained with
a. Safranine
b. Crystal violet
c. Methylene blue
d. Malachite green
Q. The order of stains in Gram-stainingn procedure is
a. Crystal violet, Iodine solution, Alcohol, Saffranine
b. Iodine solution, Crystal Violet, Saffranine, Alcohol
c. Alcohol, Crystal Violet, Iodine solution, Saffranine
d. All of these
Q. The action of alcohol during Gramstaining is
a. Allows the color
b. It adds color
c. Decolorises the cells
d. None of these
Q. Lipid contents is more in
a. Gram negative bacteria
b. Gram positive bacteria
c. Same in both
d. None of these
Q. Cell-wall is
a. Thick in Gram positive than Gram negative
b. Thick in Gram negative than Gram positive
c. Equal in both
d. In Gram negative cell-wall is absent
Q. The Lipid content present in Gram positivebacterial cell-wall is
a. 1-10 %
b. 1-5 %
c. 2-8 %
d. None of these
Q. Rickettsiae stained by this techniqueresponds as
a. Gram positive
b. Gram negative
c. Between positive and negative
d. None of these
Q. Chlamydiae can be stained better with
a. Ziehl neelsen staining
b. Castaneda & Machiavello stains
c. Giminez stains
d. Both b and c