1. Father of antiseptic surgery: ______


Alexander Fleming
Robert Koch
Joseph Lister
Louis Pasteur

2. Haemophilus aegypticus is also known as:______


Koch Week bacilli
Yersin bacillus
Kleb-Loeffler’s bacillus
Roux bacillusr

3. Which of the following is a eukaryote: ______


Mycoplasma
Bacteria
Fungus
Chlamydia

4. All of the following are capsulated except: ______


Klebsiella pneumonia
Haemophilus influenzae
Salmonella Typhi
Bacillus anthracis

5. The resolution of light microscopy is: ______


200 nm
20 nm
0.2 nm
300 nm

6. Mordant used in Gram staining is: ______


Crystal violet
Ethanol
Phenol
Iodine

7. Phenol is bactericidal at a concentration of: ______


0.1%
0.25%
0.5%
1%

8. Best method for sera sterilization is: ______


Filtration
Autoclaving
Radiation
Heating

9. Coliform count is done by: ______


VR medium
MacConkey agar
Multiple tube method
Chlamydia

10. Stuart’s transport medium is used for transport of specimen containing: ______


Salmonella
Vibrio cholera
Neisseria gonorrhoeae
Shigella

11. One of the following is indole test positive:______


Citrobacter koseri
Klebsiella pneumonia
Proteus mirabilis
Yersinia pestis

12. Innate immunity active against viral cells:______


NK cells
Cytotoxic T cells
B cells
Memory B cells

13. Which of the following vaccines is live: ______


Salk
Sabin
TAB
Human diploid cell rabies vaccine

14. Type I hypersensitivity reaction is mediated by: ______


IgE
IgG
IgM
IgD

15. Heterophile antibody is found in: ______


Weil Felix test
Widal test
Standard agglutination test
All

16. Immunoglobulin in Payer’s patch is: ______


IgM
IgG
IgA
IgD

17. Which of the following is a catalase positive and beta haemolytic: ______


Streptococcus pyogenes
Staphylococcus aureus
Coagulase negative staphylococcus
Enterococci

18. Neonatal meningitis acquired during passage through birth canal is most likely caused by: ______


Streptococcus agalactiae
S. equsimilus
S. pyogenes
S. pneumonia

19. Selective media for Neisseria gonorrhoea is: ______


Thayer-Martin medium
LJ media
DCA media
MacConkey media

20. Inverted fir tree appearance is characteristic of: ______


Bacillus anthracis
Vibrio cholera
Neisseria gonorrhoeae
Shigella

21. The best diagnostic procedure of M. tuberculosis is: ______


PCR
Auramine Rhodamine stain
Sputum culture
ESR

22. Doubling time for leprae bacilli is:______


20 hours
20 seconds
20 minutes
12 days

23. Nagler’s reaction is useful in the identification of: ______


Clostridium tetani
C. perfringens
C. botulinum
C. difficile

24. Treponema can be cultivated in: ______


Rabbit testes
Blood agar
Chocolate agar
Thayer-Martin media

25. Which of the following is performed to demonstrate congenital syphilis? ______


FTA-ABS test
IgM FTA-ABS test
TPI test
TPHA test

26. Traveller’s diarrhea is caused by: ______


ETEC
EHEC
EPEC
EIEC

27. Which of the following is not a coliform bacilli: ______


Escherichia
Klebsiella
Enterobacter
Salmonella

28. Diene’s phenomenon is seen in: ______


Proteus mirabilis
Klebsiella
Providencia
Salmonella

29. Infective dose for Salmonella Typhi is:______


One bacillus
108-1010 bacilli
102-105 bacilli
1-10 bacilli

30. Best disinfectant for cholera stool is:______


Bleaching powder
Cresol
Formalin
Alcohol

31. Selective media for Vibrio: ______


TCBS
Stuart
Skirrow’s media
MYPA

32. Cerebral malaria is caused by: ______


Plasmodium falciparum
P. ovale
P. vivax
P. malariae

33. Sabin Feldman test is done for: ______


Toxoplasma
Ascaris
Filaria
Histoplasma

34. The best method for diagnosis of amoebiasis is: ______


ELISA
Colonoscopy
Microscopy
Microscopy + ELISA

35. Vector for Kala-azar: ______


Tse-Tse fly
House fly
Sand fly
Simulium fly

37. Terminal spined eggs are seen in: ______


Schistosoma hematobium
Schistosoma mansoni
Schistosoma japonicum
Schistosoma sinensis

38. The cause of larva curren is: ______


S. stercoralis
N. americanus
Ankylostoma duodenale
H. nana

39. In the gut, anaerobic bacteria outnumber the aerobes by a ratio of: ______


10:1
100:1
1000:1
10,000:1

40. Avian influenza is due to: ______


H1N1
H3N1
H5N1
H7N1

41. Most sensitive diagnostic test for dengue is: ______


IgM ELISA
Complement fixation test
Neutralization test
Electron microscopy

42. Which sample is recommended for polio isolation:______


Stool
Blood
Throat
CSF

43. First antibody to appear in hepatisis is: ______


IgM anti-HBe
IgG anti-HBe
IgM anti-HBc
IgM anti-HBs

44. Most sensitive test for HIV diagnosis is: ______


Western blot
ELISA
Agglutination test
CFT

45. Window period in HIV: ______


3-12 weeks
8-20 weeks
6-24 weeks
None

46. Rota virus is detected by: ______


Antigen in stool
Antibody in serum
Demonstration in virus
Stool culture

47. Darling disease is caused by: ______


Histoplasma
Candida
Cryptococcus
Rhizopus

48. Raynaud Braude phenomenon is seen in: ______


Candida albicans
Candida pscitasi
Histoplasma
Cryptococcus

49. Cryptococcus can be readily demonstrated by: ______


Albert’s stain
Giemsa stain
India ink
Gram’s stain

50. Most common Aspergillus infection is caused by: ______


Aspergillus niger
Aspergillus flavus
Aspergillus fumigatus
Aspergillus nidulans

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