āĻŦāĻŋāĻˇāĻ¯āĻŧāĻ đ WBHRB āĻ¸ā§āĻāĻžāĻĢ āĻ¨āĻžāĻ°ā§āĻ¸ CBT āĻā§āĻ¸ā§āĻ â 27 ( Microbiology)
𧎠āĻā§āĻāĻ: đ WBHRB āĻ¸ā§āĻāĻžāĻĢ āĻ¨āĻžāĻ°ā§āĻ¸ CBT āĻā§āĻ¸ā§āĻ â 27 ( 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 27 ( Microbiology)
1 / 50
1. Which secretion system injects effector proteins into host cells?
Used by Salmonella, Shigella
2 / 50
2. Which test is used to confirm HIV infection after screening?
More specific than ELISA.
3 / 50
3. Which parasite causes cysticercosis?
Humans become intermediate host by ingesting eggs.
4 / 50
4. Which bacteria grow in alkaline pH?
Survives in high-pH conditions like seawater.
5 / 50
5. Which organism causes whooping cough?
Characteristic paroxysmal cough.
6 / 50
6. Which virus is the major cause of bronchiolitis in infants?
Leading cause of severe lower respiratory tract infection.
7 / 50
7. Which virus contains segmented RNA genome?
Segmented viruses undergo reassortment.
8 / 50
8. Which fungal structure produces asexual spores?
Seen in Aspergillus
9 / 50
9. Which virus is a retrovirus?
Retroviruses contain reverse transcriptase.
10 / 50
10. Which organism produces IgA protease?
Helps invade mucosal surfaces.
11 / 50
11. Which bacteria show âChinese letterâ arrangement?
Characteristic club-shaped bacilli arrangement.
12 / 50
12. Which immunoglobulin rises first in acute infection?
Indicates recent primary immune response.
13 / 50
13. Which organism survives boiling due to spores?
Spores tolerate extreme heat.
14 / 50
14. Which organism is identified by Naglerâs reaction?
Detects alpha-toxin producing species.
15 / 50
15. Which bacterial toxin ADP-ribosylates EF-2?
This toxin blocks protein synthesis by inactivating elongation factor-2.
16 / 50
16. Which bacteria are facultative intracellular pathogens?
Survive within macrophages.
17 / 50
17. Which bacterium is positive for cold enrichment?
Grows at refrigeration temperatures.
18 / 50
18. Which virus uses reverse transcriptase but is NOT a retrovirus?
DNA virus with polymerase that reverses transcription.
19 / 50
19. Which organism shows âsafety pinâ bipolar staining?
Characteristic staining pattern with Wayson stain.
20 / 50
20. Which fungus shows acute-angle branching septate hyphae?
Typical appearance in invasive fungal infection.
21 / 50
21. Which organism shows âfried eggâ colonies?
Typical appearance in lab cultures.
22 / 50
22. Which organism is urease positive?
Converts urea to ammonia.
23 / 50
23. Which virus shows âground-glass hepatocytesâ?
Seen in chronic hepatitis due to HBV.
24 / 50
24. Which fungal infection is diagnosed by KOH mount showing broad aseptate hyphae?
Seen in diabetic ketoacidosis.
25 / 50
25. Which parasite causes cerebral malaria?
Most severe Plasmodium infection.
26 / 50
26. Which virus causes hemorrhagic fever?
Severe bleeding manifestations.
27 / 50
27. Which virus causes Koplik spots?
Pathognomonic sign of measles.
28 / 50
28. Which fungi are detected using India ink preparation?
Capsule appears as clear halo around yeast.
29 / 50
29. Which bacteria require X and V factors for growth?
Special growth requirements.
30 / 50
30. Which bacteria produce greenish pigment pyocyanin?
Causes blue-green pus in infections.
31 / 50
31. Which organism is oxidase positive?
Used to differentiate gram-negative rods.
32 / 50
32. Which organism shows tumbling motility at 25°C?
Cold-enhanced motility.
33 / 50
33. Which antibody crosses the placenta?
Provides passive immunity to fetus.
34 / 50
34. Which organism is diagnosed using the CAMP test?
Shows arrow-head hemolysis with Staph aureus.
35 / 50
35. Which bacteria produce swarming motility?
Waves of concentric growth on agar.
36 / 50
36. Which pathogen contains dipicolinic acid?
Unique structural component of spores.
37 / 50
37. Which organism causes neonatal meningitis besides E. coli?
Second most common neonatal pathogen.
38 / 50
38. Which organism is optochin sensitive?
Used to differentiate pneumococcus.
39 / 50
39. Which virus has a double-shelled capsid?
Very stable, resistant virus.
40 / 50
40. Which bacteria produce hydrogen sulfide (HâS)?
Seen as black colonies on TSI.
41 / 50
41. Which organism causes Weilâs disease?
Severe leptospirosis.
42 / 50
42. Which organism causes myonecrosis?
Produces powerful exotoxins.
43 / 50
43. Which bacterial structure mediates conjugation?
DNA transfer occurs via this structure.
44 / 50
44. Which medium is selective for Neisseria species?
Used for gonorrhea and meningitis culture.
45 / 50
45. Which virus produces intranuclear owlâs eye inclusion bodies?
Seen in CMV infections.
46 / 50
46. Which virus is transmitted by Aedes mosquito?
Aedes transmits many arboviruses.
47 / 50
47. Which fungus shows âspaghetti and meatballsâ appearance?
Classic finding in tinea versicolor.
48 / 50
48. Which test detects syphilis?
Non-treponemal screening test.
49 / 50
49. Which organism causes Pontiac fever?
Mild form of Legionnairesâ disease.
50 / 50
50. Which parasite causes autoinfection inside the host?
Eggs hatch within intestine â reinfection.
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