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Microbiology MCQs - Ch. Medical Microbiology

1. Food poisoning is caused by

a. Clostridum tetani                                                 b. Clostridum Welchi

c. Diptheria                                                                d. Clostridium botulinum

2. Koplic’s spots will develop in

a. HIV                                                                          b. Measles

c. Mumps                                                                   d. Rubella

3. Viral DNA is resistant to DNA of the host cell because it contains

a. 5’-HMC                                                                  b. 5’-HMA

c. 5’-CHM                                                                  d. 5’MHC

4. Which of the following is an example of live vaccine?

a. pertusis                                                                 b. mumps

c. cholera                                                                  d. rabies

5. Triple toxoid vaccine gives protection against

a. Diphtheria, tetanus and rabies

b. Tetanus, whooping cough, Tuberculosis

c. Whooping cough, tetanus and Diphtheria

d. Whooping cough, cancer and T.B.

6. Higher does of chloramphenicol affects the eukaryotic cells because

a. They have 30 S ribosomes                                     b. They have mitochondria

c. They have 70 S ribosome                                       d. None of the above

7. AIDS is caused by

a. Retrovirus                                                                  b. Prion

c. Rhabdovirus                                                              d. Retroprison

8. Penicillin is a

a. Primary metabolite                                                 b. Secondary metabolite

c. Tertiary metabolite                                                 d. None of the above

9. The rejection of an organ transplant such as a kidney transplant, is an example of _____ Hypersensitivity.

a. Immediate                                                                 b. Delayed

c. Allergy                                                                         d. None of these

10. Listeriosis was ______ disease.

a. Food borne                                                                 b. Water borne

c. Milk borne                                                                  d. Air borne

11. Pus-forming forms are called as

a. Pyoderm                                                                     b. Pyogenic

c. Pyrogen                                                                       d. None of the above

12. In Elisa technique, the antibodies are labeled by

a. Acridine orange                                                         b. Alkaline phosphate

c. Neutral red                                                                 d. Bromothymol blue

13. _____ is a genetic disease charachterized by a total or partial inability to synthesize

globulins.

a. Apitososis                                                                   b. Agamma globulinemia

c. Gammaglobulinemma                                              d. Sickle-cell anemia.

14. A study involving analysis of risk for genetic defects in a family is

a. Genetic Engineering                                                 b. Genetic counseling

c. Genetic drift                                                               d. Genetic equilibrium

15. Viral antigens are likely

a. Proteins                                                                      b. Glyco proteins

c. Lipo proteins                                                              d. Both a and b

16. The suitable assay method for antibiotics is

a. Enzymatic assay                                                        b. Turbidometric assay

c. End point determination assay                              d. Metabolic assay

17. ELISA test is used for the identification of

a. Janudice                                                                     b. AIDS

c. Cancer                                                                        d. Diabetis

18. Incubation period for infective Hepatitis disease

a. 45 – 80 days                                                              b. 15 – 35 days

c. 35 – 50 days                                                              d. 5 – 15 days

19. All of the following are bacteriostatic chemotherapeutic agents except

a. Bacitracin                                                                       b. Chloramphenicol

c. Novobiocin                                                                     d. Tetracycline

20. Kinetosomes are observed in

a. Algae                                                                               b. Fungi

c. Protozoa                                                                         d. Viruses

21. β-lactum ring is present in

a. Erythromycin                                                                 b. Penicillin

c. Tetracyclins                                                                    d. Chromphenical

22. Antibiotic produced from streptomyces orientalis is

a. Streptomycin                                                                 b. Penicillin

c. Vancomycin d. Both a and b

23. The drug of choice for dermal, oral and vaginal candidiasis is

a. Griseofulvin                                                                   b. Amphoterein B

c. Gentian violet                                                               d. Nystatin

24. Botulism means

a. Food adultration

b. Food poisioning by streptococcus bacteria

c. Chemical contamination of food

d. Food processing

25. Chloramphenicol is obtained from

a. Streptomyces griseus

b. Streptomyces venezuelae

c. Streptomyces pyrogenes

d. None of these

26. Streptomycin is obtained from

a. Streptococcus species                                                      b. Streptomyces griseus

c. Straphylococcus aureus                                                   d. None of these

27. The treatment required for small bodies of water is

a. Disinfection                                                                    b. Filtration

c. Purification                                                                     d. All of these

28. Surface ropiness is caused by

a. Alkaligenes viscolactis                                                  b. Streptococcus

c. both a and b                                                                   d. None of these

29. Septicaemia is

a. Bacteria in blood                                                           b. Toxin in blood

c. Pus in blood                                                                    d. Multiplication of bacteria and toxins in blood

30. In AIDS, Kaposis sarcoma may respond to

a. Interleukin – 2 infusion                                                b. Azathioprine

c. Alpha interferon                                                           d. None of these

31. Ciprofloxacin acts by inhibiting

a. Cellwall synthesis                                                         b. RNA synthesis

c. Folate synthesis                                                            d. DNA gyrase

32. Lyme disease is caused by

a. Bacteria                                                                          b. Fungi

c. Spirochaete                                                                   d. Virus

33. Toxic shock syndrome is caused by

a. Staph. albus                                                                   b. Staph. aureus

c. Strep. viridana                                                               d. None of these

34. Black water fever is caused by

a. P. vivax                                                                           b. P. falciparum

c. P. ovale                                                                           d. None of these

35. Mantoux test detects

a. M. tuberculosis                                                             b. Cynaobacteria

c. Clostridia                                                                        d. Both a and b

36. The antibiotic acting on cell wall is

a. Bactracin                                                                         b. Penicillin

c. Cyclosporine                                                                   d. All of these

37. Aflatoxin is produced by

a. Aspergillus sps                                                         b. Penicillium sps

c. Alternaria sps                                                           d. None of these

38. Penicillin is discovered by

a. Fleming                                                                      b. Pasteur

c. Koch                                                                           d. None of these

39. Antibiotics used in combination may demonstrate

a. Synergism                                                                  b. Antaginism

c. both                                                                             d. None of these

40. The drug of choice in anaphylactic shock is

a. Histamine                                                                    b. Corticosteroid

c. Epinephrine                                                                 d. None of these

41. Drugs of choice for treatment of Mycoplasma infections:

a. Tetracyclines                                                               b. Erythromycin

c. a and b                                                                         d. Penicillins

42. A number of viruses are known to infect mycoplasmas, called

a. Bacteriophages                                                          b. Mycoplasma phages

c. Virions                                                                         d. Tiny strains

43. The following are true about Rickettsiae.

a. Unicellular organisms

b. Prokaryotic intracellular parasites

c. Presence of 70 S ribosomes

d. It causes hemolysis in human beings

e. Gram negative plemorphic rods

44. The causative agent of scrub typhus:

a. R.Quintana                                                                    b. R.rickettsii

c. R.orinetalis                                                                    d. R.prowazekii

45. Lymphogranuloma venerum (LGV) is a sexually transmitted disease is caused by

a. Copthalmia                                                                    b. C.trachomatis

c. C.pneumonias                                                                     d. C.psittasi

46. Intradermal test employed for diagnosis of LGV is

a. Frei test                                                                                 b. Mantoux test

c. Schick test                                                                             d. Dick test

47. Which algae is pathogenic to human?

a. Cephaloeuros                                                                       b. Ulothrix

c. Macrocystis                                                                          d. Prototheca

48. Erythromycin is obtained from

a. S.griseus                                                                                b. S.rimosus

c. S.scabies                                                                                d. S.erythraeus

49. Common cold is caused by

a. Adeno virus                                                                           b. Corono virus

c. Hepatitis virus                                                                       d. Pox virus

50. The causative agent of conjunctivitis:

a. Adeno virus                                                                          b. Corono virus

c. Paramyxo virus                                                                    d. None of these

 

ANSWERS:

1. d 2. b 3. a 4. c 5. c 6. B 7. a 8. b 9. a 10. a 11. b 12. B 13. b 14. d 15. d 16. c 17. b 18. D 19. a 20. c 21. b 22. c 23. d 24. C 25. b 26. a 27. d 28. d 29. d 30. C 31. d 32. c 33. b 34. b 35. a 36. D 37. a 38. a 39. c 40. c 41. c 42. B 43. d 44. c 45. b 46. a 47. d 48. D 49. b 50. a

 


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