āĻŦāĻŋāĻˇāĻ¯āĻŧāĻ đ WBHRB āĻ¸ā§āĻāĻžāĻĢ āĻ¨āĻžāĻ°ā§āĻ¸ CBT āĻā§āĻ¸ā§āĻ â 26 ( Microbiology)
𧎠āĻā§āĻāĻ: đ WBHRB āĻ¸ā§āĻāĻžāĻĢ āĻ¨āĻžāĻ°ā§āĻ¸ CBT āĻā§āĻ¸ā§āĻ â 26 ( 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 26 ( Microbiology)
1 / 50
1. Which virus is bullet-shaped?
Special viral morphology
2 / 50
2. Which medium is used for Vibrio cholerae?
Selective alkaline media
3 / 50
3. āĻā§āĻ¨ Ig mucosal immunity āĻĻā§ā§?
Secretory antibody
4 / 50
4. Bacterial growth curveâāĻāĻ° āĻā§āĻ¨ phase-āĻ spores most resistant?
āĻŦāĻžāĻŦāĻž spores stationary āĻĢā§āĻā§ āĻ¤ā§āĻ°āĻŋ āĻšā§
5 / 50
5. Endotoxin āĻāĻāĻ¨ released āĻšāĻ¯āĻŧ?
LPS â Gram-negative
6 / 50
6. Which fungi cause mucormycosis?
Seen in diabetics
7 / 50
7. Which organism is non-lactose fermenting?
Pale colony on MacConkey
8 / 50
8. Which organism is an obligate intracellular parasite?
Cannot survive without host cell
9 / 50
9. Which virus shows segmented RNA genome?
Reassortment possible
10 / 50
10. Capsules āĻā§āĻ¨ stain āĻ clear zone āĻĻā§āĻāĻžā§?
Negative staining
11 / 50
11. Which step of PCR involves DNA melting?
High temperature
12 / 50
12. Which organism causes pseudomembranous colitis?
After antibiotic use
13 / 50
13. Which component of Gram-negative bacteria induces septic shock?
Endotoxin LPS
14 / 50
14. āĻā§āĻ¨ āĻāĻžāĻāĻ°āĻžāĻ¸ DNA āĻšāĻ˛ā§āĻ enveloped?
DNA āĻāĻžāĻāĻ°āĻžāĻ¸ āĻ¸āĻžāĻ§āĻžāĻ°āĻŖāĻ¤ non-enveloped
15 / 50
15. āĻā§āĻ¨ virus reverse transcriptase āĻŦā§āĻ¯āĻŦāĻšāĻžāĻ° āĻāĻ°ā§?
RNA â DNA
16 / 50
16. Which disinfectant is most effective against spores?
Spores are highly resistant and require a strong sterilizing agent.
17 / 50
17. Which organism grows best on LÃļwensteinâJensen medium?
Selective medium used for mycobacteria.
18 / 50
18. āĻā§āĻ¨ fungal infection opportunistic?
Immunocompromised-āĻ āĻŦā§āĻļāĻŋ
19 / 50
19. Which antibody rises first in primary infection?
Early immune response
20 / 50
20. Which organism produces ârice-water stoolâ?
Severe dehydration
21 / 50
21. Which virus causes âowlâs eye inclusionsâ?
CMV characteristic
22 / 50
22. Which stain is used for Mycobacterium species?
Acid-fast bacilli detection
23 / 50
23. β-hemolysis āĻā§āĻ¨ organism-āĻāĻ° āĻŦā§āĻļāĻŋāĻˇā§āĻā§āĻ¯?
Clear zone hemolysis
24 / 50
24. Which organism forms a âsafety-pin appearanceâ on staining?
Bipolar staining
25 / 50
25. āĻā§āĻ¨ virus segmented RNA genome?
Segmented viruses cause reassortment
26 / 50
26. Which bacteria produce urease?
Raises pH
27 / 50
27. Which bacteria shows âswarming motilityâ?
Rapid surface spreading
28 / 50
28. Which fungus is encapsulated?
Halo appearance in India Ink
29 / 50
29. Which bacteria appear âChinese letter arrangementâ?
Club-shaped bacilli
30 / 50
30. Sterility indicator in autoclave?
Biological indicator
31 / 50
31. Which toxin is responsible for diphtheria?
Protein synthesis inhibition
32 / 50
32. Which organism grows at 42°C?
Thermotolerant
33 / 50
33. PCRâāĻ DNA polymerase āĻā§āĻĨāĻž āĻĨā§āĻā§ āĻāĻ¸ā§?
Heat-resistant enzyme
34 / 50
34. What is the function of lysozyme?
Cell wall breakdown
35 / 50
35. Bacterial spores āĻā§āĻ¨ stain āĻ green āĻšā§?
Special staining
36 / 50
36. âCold enrichment methodâ āĻā§āĻ¨ āĻŦā§āĻ¯āĻžāĻāĻā§āĻ°āĻŋāĻ¯āĻŧāĻžāĻ° āĻāĻ¨ā§āĻ¯ āĻŦā§āĻ¯āĻŦāĻšā§āĻ¤?
Low temp growth organism
37 / 50
37. Autoclave-āĻāĻ° temperature-pressure standard āĻāĻ¤?
Sterilization standard
38 / 50
38. Which is the smallest DNA virus?
Requires helper virus
39 / 50
39. Bacterial transformation āĻāĻžāĻā§ āĻŦāĻ˛ā§?
Naked DNA uptake
40 / 50
40. Hfr strainâāĻāĻ° āĻŦā§āĻļāĻŋāĻˇā§āĻā§āĻ¯ āĻā§āĻ¨āĻāĻŋ?
High frequency recombination
41 / 50
41. Bordet-Gengou media āĻā§āĻ¨ organism-āĻāĻ° āĻāĻ¨ā§āĻ¯?
Culture of pertussis
42 / 50
42. Widal test āĻā§āĻ¨ āĻāĻ°āĻž āĻšāĻ¯āĻŧ?
Enteric fever diagnosis
43 / 50
43. Which form of hepatitis virus is DNA virus?
Only DNA hepatitis
44 / 50
44. KOCHâs postulates āĻā§āĻ¨ āĻā§āĻˇā§āĻ¤ā§āĻ°ā§ āĻĒā§āĻ°ā§ā§āĻ āĻāĻ°āĻž āĻ¯āĻžāĻ¯āĻŧ āĻ¨āĻž?
Virus cannot grow in pure culture
45 / 50
45. Mycoplasma pneumoniaeâāĻāĻ° āĻŦāĻŋāĻļā§āĻˇ āĻŦā§āĻļāĻŋāĻˇā§āĻā§āĻ¯?
Cell wall absent
46 / 50
46. Which test differentiates Staph vs Strep?
Catalase activity
47 / 50
47. Bile salt āĻā§āĻ¨ organism suppress āĻāĻ°ā§?
Gram positive inhibited
48 / 50
48. Which bacteria have no cell wall?
Not affected by penicillin
49 / 50
49. āĻā§āĻ¨āĻāĻŋ zoonotic bacterial disease?
āĻĒā§āĻ°āĻžāĻŖā§ â āĻŽāĻžāĻ¨ā§āĻˇā§ āĻā§āĻžā§
50 / 50
50. Tetanus toxin āĻā§āĻ¨ neurotransmitter block āĻāĻ°ā§?
Tetano-spasmin inhibits inhibitory NT
āĻā§āĻāĻ āĻĒā§āĻ¨āĻ°āĻžāĻ¯āĻŧ
Exam āĻ¸āĻžāĻŦāĻā§āĻā§āĻ āĻ¨āĻŋāĻ°ā§āĻŦāĻžāĻāĻ¨ āĻāĻ°ā§āĻ¨đ RAILđ WBCSđ WBHRB āĻ¸ā§āĻāĻžāĻĢ āĻ¨āĻžāĻ°ā§āĻ¸đ āĻ āĻ°ā§āĻĨāĻ¨ā§āĻ¤āĻŋđ āĻāĻ¤āĻŋāĻšāĻžāĻ¸đ āĻāĻāĻ°ā§āĻāĻŋđ āĻāĻžāĻ°ā§āĻ¨ā§āĻ āĻ ā§āĻ¯āĻžāĻĢā§āĻ¯āĻŧāĻžāĻ°ā§āĻ¸đ āĻāĻŖāĻŋāĻ¤đ āĻā§āĻŦāĻ¨ āĻŦāĻŋāĻā§āĻāĻžāĻ¨đ āĻā§āĻ¨āĻžāĻ°ā§āĻ˛ āĻāĻ¨ā§āĻā§āĻ˛āĻŋāĻā§āĻ¨ā§āĻ¸đ āĻĒā§āĻ°āĻžāĻā§āĻāĻŋāĻ¸ āĻ¸ā§āĻ (āĻ¸āĻŽāĻ¸ā§āĻ¤ āĻŦāĻŋāĻˇāĻ¯āĻŧ)đ āĻā§āĻā§āĻ˛đ āĻā§āĻ¤ āĻŦāĻŋāĻā§āĻāĻžāĻ¨đ āĻŽāĻ āĻā§āĻ¸ā§āĻđ āĻ°āĻžāĻˇā§āĻā§āĻ°āĻŦāĻŋāĻā§āĻāĻžāĻ¨đ āĻ¸āĻžāĻ§āĻžāĻ°āĻŖ āĻā§āĻāĻžāĻ¨đ RRB Group Dđ RRB NTPCđ āĻā§āĻ¨ āĻāĻžāĻ°ā§āĻ¨ā§āĻ āĻ ā§āĻ¯āĻžāĻĢā§āĻ¯āĻŧāĻžāĻ°ā§āĻ¸đ āĻā§āĻ˛āĻžāĻ āĻāĻžāĻ°ā§āĻ¨ā§āĻ āĻ ā§āĻ¯āĻžāĻĢā§āĻ¯āĻŧāĻžāĻ°ā§āĻ¸
āĻāĻĒāĻ¨āĻŋ āĻāĻ āĻĒā§āĻˇā§āĻ āĻžāĻ° āĻŦāĻŋāĻˇāĻ¯āĻŧāĻŦāĻ¸ā§āĻ¤ā§ āĻāĻĒāĻŋ āĻāĻ°āĻ¤ā§ āĻĒāĻžāĻ°āĻŦā§āĻ¨ āĻ¨āĻž
