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Bacteria and Gram Staining- Part 9
See all quizzes of Bacteria anh Gram staining- Part 9 here:
1 The main difference in true bacteria and
mycoplasma is that it does not posses –
a. Flagella b. Cell wall
c. ATP synthesis d. A capsule
2. The organism responsible for retarding
penetration of host cell by an inhibitor of
ATP synthesis.
a. M.pneumoniae
b. Rickettsia rickettsii
c. Chlamydia trachomatis
d. Chlamydia psitacci
3. Mycoplasmas differ from Chalamy-diae
in that, it
a. has ability to cause urinary tract infection
b. lack of atrue bacterial cell wall
c. susceptible to penicillin
d. All of these
e. None of these
4. Fungal disease in human is caused by –
a. Inhalation of conidia
b. Invasion of mucous membrane
c. Contamination of wounds with conidia or
myceliat fragments
d. All of these
e. None of these
5. Fungi differs with bacteria in that it –
a. Contain no peptidoglycan
b. Are prokaryotic
c. Susceptible to griseofulvin
d. Have nuclear membranes
e. All of these
6. A polysaccharide capsule is present on
cryptococci which –
a. Inhibits phagocytosis
b. Is an aid to diagnose
c. Cross reacts with rheumatoid factor
d. All of these
7. The largest protozoa is –
a. Balantidium coli
b. Entamoeba coli
c. Trichomonus vaginalis
d. Toxoplasma gondii
8. Premunition is particularly seen in –
a. Ascaris b. Giardia
c. Plasmodium d. None of these
9. Which of the following vaccine contains
attenuated form of bacteria?
a. BCG b. TAB
c. Polio d. Cholera
10. The bacteria, which is motile at 22oC but
non-motile at 37oC is
a. Tranformation b. Transduction
c. Conjugation d. Cell fusion
11. Techoic acid is –
a. Found in the walls of Gram positive bacteria
b. Provide receptors for phages
c. Make up outer wall of Gram negative
bacteria
d. Influence the permeability of the membrane
12. One flagelium at one end of the organ is
called –
a. Monotrichate b. Amphitrichate
c. Iophotrichate d. Peritrichate
13. What is the function of bacterial capsule?
a. Production of organism from phagocytosis
b. Helps in adherence of bacteria to surface in
its environment
c. Both a and b
d. None of these
14. Which of the following is the charachteristic
of bacterial spore?
a. Highly refractile
b. Usually dehydrated
c. Sensitive to formaldehyde
d. All of these
15. Which of the following are acid fast
structures?
a. Mycobacteria b. Bacterial spores
c. Nocardia d. All of these
16. All of the following are acid fast structures
except
a. Clostridium b. Bacterium spores
c. Exoskeleton d. None of these
17. All of the following are energy source of
bacteria except
a. Oxidation of inorganic compounds
b. Oxidation of organic compounds
c. Absorption of heat
d. Utilisation of visible light
18. Identify the obligate anaerobes
a. Salmonella b. Vibrio cholera
c. Cl. tetani d. Sarcinae
19. Streptococci which are destroyed at 60°C
for 30 minutes
a. Preptostreptococci b. Strepto viridans
c. Strepto hemolyticus d. All of these
20. Toxins or enzymes which are not
produced by streptococcus pyrogens
a. Hyaluronides b. Phosphate
c. Hemolysin d. Streptokinase
21. Cholera red reaction is identified by
a. Sulphuric acid b. Nitric acid
c. Hydrochloric acid d. Carbolic acid
22. Diagnosis of carrier of salmonella typhi
may be shown by
a. Fecal culture b. Bile culture
c. Urine culture d. All of these
23. Daisy head colony is associated with
a. M.tuberculosis b. C.diphtheriae
c. Cl. tetani d. None of these
24. Neil mooseri reaction is related to
a. Rickettsiae b. Chlamydiae
c. Spirochaetes d. C l o s t r i d i u m
periringens
25. All of the following are DNA viruses
except –
a. Parvo virus b. Paramyxo virus
c. Herpes virus d. Pix virus
26. The dengue fever virus is –
a. Arbo virus b. Echo virus
c. Entero virus d. Orthomyxo virus
27. Dengue fever is caused by –
a. Bacteria b. Virus
c. Fungi d. Rickettsia
28. Which of the following characters are
related to viruses?
a. No growth on inanimate culture media
b. Not sensitive to antibiotics
c. No energy producing enzymes
d. Insensitive to interferon
29. Main causative organism of chiken pox is
a. Fox virus b. Mumps virus
c. Measles virus d. None of these
30. Rickesia are stained with
a. Giesna and Castaneda stains
b. Macchiavello and Gimnezstains
c. Both a and b
d. Malachite green
