āĻŦāĻŋāĻˇāĻ¯āĻŧāĻ đ WBHRB āĻ¸ā§āĻāĻžāĻĢ āĻ¨āĻžāĻ°ā§āĻ¸ CBT āĻā§āĻ¸ā§āĻ â 25 ( Microbiology)
𧎠āĻā§āĻāĻ: đ WBHRB āĻ¸ā§āĻāĻžāĻĢ āĻ¨āĻžāĻ°ā§āĻ¸ CBT āĻā§āĻ¸ā§āĻ â 25 ( Microbiology)
𧎠āĻŽā§āĻ āĻĒā§āĻ°āĻļā§āĻ¨: 50 āĻāĻŋ
âą āĻ¸āĻŽāĻ¯āĻŧāĻ¸ā§āĻŽāĻž: 60 Minute
â āĻ¨ā§āĻā§āĻāĻŋāĻ : -0.5 āĻĒā§āĻ°āĻ¤āĻŋ āĻĒā§āĻ°āĻļā§āĻ¨ā§
â ī¸ āĻā§āĻāĻ āĻļā§āĻˇ āĻšāĻ˛ā§ āĻ¸ā§āĻŦāĻ¯āĻŧāĻāĻā§āĻ°āĻŋāĻ¯āĻŧāĻāĻžāĻŦā§ āĻ°ā§āĻāĻžāĻ˛ā§āĻ āĻĻā§āĻāĻ¤ā§ āĻĒāĻžāĻŦā§āĻ¨āĨ¤
Time over
đ WBHRB āĻ¸ā§āĻāĻžāĻĢ āĻ¨āĻžāĻ°ā§āĻ¸ CBT āĻā§āĻ¸ā§āĻ â 25 ( Microbiology)
1 / 50
1. Which bacteria demonstrate âcross-reactivityâ causing rheumatic fever?
Molecular mimicry by Strep pyogenes.
2 / 50
2. Which virus uses CD21 receptor for entry?
EBV binds CD21 on B cells.
3 / 50
3. Which organism forms a âgerm tubeâ in serum?
Candida albicans shows germ tubes.
4 / 50
4. Which organism causes âfried eggâ colonies?
Mycoplasma pneumoniae grows slowly producing this appearance.
5 / 50
5. Which virus has reverse transcriptase but is NOT retrovirus?
Hepatitis B uses reverse transcriptase.
6 / 50
6. Which bacteria show âsatellitismâ around S. aureus?
H. influenzae uses factors released by Staph.
7 / 50
7. Which fungus shows acute-angle branching hyphae?
Seen in Aspergillus species.
8 / 50
8. Which bacterium cannot be cultured in artificial media?
Requires living cells for growth.
9 / 50
9. Which virus causes âowlâs eyeâ intranuclear inclusion bodies?
Unique cytopathic effect seen in CMV.
10 / 50
10. Which fungus produces aflatoxin?
Carcinogenic toxin commonly found in stored grains.
11 / 50
11. Which virus shows âNegri bodiesâ?
Rabies virus produces cytoplasmic inclusions.
12 / 50
12. Which bacteria cause âcurrant jelly sputumâ?
Klebsiella produces thick mucoid sputum.
13 / 50
13. Which sterilization method is best for heat-labile equipment?
Ethylene oxide used for delicate plastic items.
14 / 50
14. Which organism grows on BCYE agar?
Legionella requires special medium.
15 / 50
15. Mycobacterium tuberculosisâāĻ âcord factorâ āĻā§?
āĻā§āĻˇā§āĻ° āĻŦāĻŋāĻ°ā§āĻĻā§āĻ§ā§ toxic glycolipid
16 / 50
16. Which organism is best identified by the âString testâ?
Vibrio species produce a mucoid âstringâ when mixed with NaOH.
17 / 50
17. Which bacterium shows âsafety pinâ bipolar staining?
Yersinia pestis shows characteristic bipolar staining.
18 / 50
18. Which test differentiates Proteus from other Enterobacteriaceae?
Proteus shows rapid urease positivity.
19 / 50
19. Which parasite migrates through lungs causing Loefflerâs syndrome?
Ascaris larvae migrate via lung.
20 / 50
20. Which virus causes subacute sclerosing panencephalitis (SSPE)?
SSPE is a late complication of measles.
21 / 50
21. Which test identifies carbapenemase-producing organisms?
Modified Hodge test detects carbapenemase.
22 / 50
22. Which pathogen grows at 42°C and causes gastroenteritis?
Campylobacter jejuni grows at high temperatures.
23 / 50
23. Which virus integrates into host genome causing cancer?
HPV integrates DNA â cervical cancer.
24 / 50
24. Which test differentiates Enterobacteriaceae from non-fermenters?
Enterobacteriaceae are glucose fermenters.
25 / 50
25. Which test differentiates Rickettsia from Coxiella?
WeilâFelix test is positive in Rickettsia.
26 / 50
26. Which organism is detected via cold agglutinin test?
Mycoplasma pneumoniae causes auto-antibody formation.
27 / 50
27. Which bacteria survive inside macrophages by inhibiting phagolysosome fusion?
Key virulence of M. tuberculosis.
28 / 50
28. Which organism is identified using the CAMP test?
Group B Streptococcus enhances hemolysis with S. aureus.
29 / 50
29. Which bacteria produce H2S on TSI agar?
Salmonella forms black colonies.
30 / 50
30. Which toxin blocks release of inhibitory neurotransmitters?
Tetanus toxin inhibits glycine & GABA.
31 / 50
31. Which test is most specific for HIV confirmation?
Western blot confirms positive ELISA.
32 / 50
32. Which organism requires X and V factors for growth?
H. influenzae cannot grow without both factors.
33 / 50
33. Which immunoglobulin is first to rise in acute infection?
IgM indicates recent infection.
34 / 50
34. Which agar is selective for Neisseria species?
Antibiotic-containing medium inhibits contaminants.
35 / 50
35. Which virus causes hemorrhagic fever with renal syndrome?
Caused by Hantavirus.
36 / 50
36. Which fungal stain highlights cryptococcus capsule?
India ink reveals the thick polysaccharide capsule.
37 / 50
37. Which viral family has segmented RNA genome?
Segmented genomes allow reassortment.
38 / 50
38. Which organism produces ârice-water stoolsâ?
V. cholerae releases enterotoxin causing profuse diarrhea.
39 / 50
39. Which bacteria show âtumbling motilityâ?
Listeria displays tumbling movement at room temperature.
40 / 50
40. Which virus demonstrates a âground-glass hepatocyteâ on biopsy?
Seen in chronic Hepatitis B infection.
41 / 50
41. Which bacterium forms spores under stress?
Bacillus species produce endospores.
42 / 50
42. āĻā§āĻ¨ āĻŦā§āĻ¯āĻžāĻāĻā§āĻ°āĻŋāĻ¯āĻŧāĻžāĻŽ facultative intracellular pathogen?
āĻ¯ā§ āĻŦā§āĻ¯āĻžāĻāĻā§āĻ°āĻŋāĻ¯āĻŧāĻž āĻāĻā§āĻāĻžāĻŽāĻ¤ āĻ¸ā§āĻ˛-āĻāĻ° āĻā§āĻ¤āĻ°-āĻŦāĻžāĻāĻ°ā§ āĻĨāĻžāĻāĻ¤ā§ āĻĒāĻžāĻ°ā§
43 / 50
43. Which bacteria cause ârice grainâ granules in mycetoma?
Actinomyces produce sulfur granules.
44 / 50
44. Which test differentiates Staphylococcus aureus from other Staphylococci?
S. aureus is coagulase positive.
45 / 50
45. Which parasite causes megaloblastic anemia from B12 deficiency?
Fish tapeworm absorbs B12.
46 / 50
46. Which bacteria grow best at cold temperatures (4°C)?
Listeria can multiply in refrigeration.
47 / 50
47. Which organism shows âChinese letterâ arrangement?
Cornyebacterium diphtheriae forms angular patterns.
48 / 50
48. Which virus replicates in the cytoplasm only?
Poxvirus is unusual among DNA viruses.
49 / 50
49. Which fungus shows broad, aseptate hyphae?
Seen in Mucor and Rhizopus (Mucormycosis).
50 / 50
50. Which organism causes âflask-shaped ulcersâ in the intestine?
Entamoeba invades mucosa causing flask ulcers.
āĻā§āĻāĻ āĻĒā§āĻ¨āĻ°āĻžāĻ¯āĻŧ
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