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Bacteria and Gram Staining- Part 6
See all quizzes of Bacteria anh Gram staining- Part 6 here:
1 Pellicle is found in only
a. Algae b. Fungi
c. Bacteria d. Protozoans
2. The Largest virus is
a. Parvo virus b. Pox virus
c. Rhabdo virus d. None of these
3. The smallest virus is
a. Parvo virus b. Rhabdo virus
c. Pox virus d. Adeno virus
4. The extra cellular infections virus particle
is called
a. Capsid b. Nucleocapsid
c. Virion d. None of these
5. Shape of bacteriophage is
a. Brick shape b. Bullet shape
c. Helical shape d. Tadpole shape
6. If only one stain is used for staining a
specimen
a. Simple staining b. Negative staining
c. Differential staining d. None of these
7. Other than the sample (specimen) the
remaining portion is stained then it is called
a. Simple staining b. Negative staining
c. Differential staining d. None of these
8. If more than one stain is used, such
staining is called
a. Simple staining b. Negative staining
c. Differential staining d. None of these
9. ‘Fluorescence’ was first observed by
a. Kohler b. Coons
c. Both a and b d. None of these
10. By using fluorescence property fluorescent
antibody technique was developed by
a. Kohler b. Coons
c. Both and b d. None of these
11. 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
12. The inorganic forms of nitrogen, which
are accepted by bacteria are
a. Nitrates b. Nitrites
c. Ammonium salts d. All of these
13. Archaeo bacteria are known as
a. Halophiles
b. Red extreme halophiles
c. Osmophiles
d. Extreme thermophiles
14. Nitrite is converted into nitrate by the
bacteria
a. Nitrosomonas b. Nitrosocytes
c. Nitrobacter d. Azatobacter
15. Sulphur oxidizing bacteria is
a. Alcaligenes b. Pseudomonas
c. Thiobacillus d. None of these
16. Bacillus Schlegelli is
a. Hydrogen – Oxydising bacteria
b. Sulphur – Oxydising bacteria
c. Iron-Oxidising bacteria
d. Nitrite oxidizing bacteria
17. The group of bacteria which deopends on
organic sources in nature for their energy
requirements. They are said to be
a. Chemotrophs b. Phototrophs
c. Heterotrophes d. Organotrophs
18. Majority of bacteria are
a. Saprophytes b. Symbionts
c. Commensals d. Parasites
19. 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
20. 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
21. The enzymes responsible for decomposition
is
a. Lipolytic b. Proteolytic
c. Lysozyme d. Both a and b
22. Urea is decomposed by the species
a. Micrococcus sps. b. Nitrosomonas sps.
c. Proteus sps. d. Both a and c
23. Phycobiont is
a. The algal part in Lichens
b. The fungal part in Lichens
c. Laustoria formation
d. None of these
24. Parasitic form must contain
a. Capsules b. Cell-wall
c. Endospores d. Flagella
25. The total no. of genes in the group of
same individuals is
a. Genome b. Gene map
c. Gene pool d. None of these
26. Transformation was observed mainly in
a. Bacteriophages b. Temperate phages
c. λ –phage d. All of these
27. Capsulated forms of bacteria are
a. Virulent b. A virulent
c. Useful d. Symbiotic
28. The bacterial cells participating in
conjugation are
a. Conjugants b. Fertile cells
c. Exconjugants d. None of these
29. Phagocytes are
a. Monocytes b. Macrophages
c. Basophils d. All of these
