MCQOPTIONS
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MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is Mycology? |
| A. | Study of nucleic acid |
| B. | Study of viruses |
| C. | Study of fungi |
| D. | Study of bacteria |
| Answer» D. Study of bacteria | |
| 2. |
Which is not a part of HACEK ? |
| A. | Acinetobacter Boumani |
| B. | Hemophilus Aphorphilus |
| C. | Kingella Kingae |
| D. | Cardiobacterium Hominis |
| Answer» B. Hemophilus Aphorphilus | |
| 3. |
Intestinal biopsy reveals macrophages containing PAS positive granules in the lamina propria-cause is all except: |
| A. | Cryptosporidiosis |
| B. | Rhodococcus equi |
| C. | Whipple's disease |
| D. | Atypical mycobacteria |
| Answer» D. Atypical mycobacteria | |
| 4. |
The involuntary actions are controlled by |
| A. | cerebellum |
| B. | midbrain |
| C. | hypothalamus |
| D. | Medulla Oblongata |
| Answer» E. | |
| 5. |
True statement about widal test in typhoid is: |
| A. | H-antigen titre remains positive for several months and reaction to it is rapid |
| B. | O-antigen titre remains positive for several months and reaction to it is rapid |
| C. | None |
| D. | Both remain positive for several months and reaction to both is rapid |
| Answer» B. O-antigen titre remains positive for several months and reaction to it is rapid | |
| 6. |
In Cu2O, the charge on Copper is |
| A. | +2 |
| B. | +1 |
| C. | −2 |
| D. | −1 |
| Answer» C. −2 | |
| 7. |
A elderly male presented with fever, chest pain and dry cough, sputum cultured on charcoal yeast medium, the organism is - |
| A. | Moraxella catarrhalis |
| B. | H. influenza |
| C. | Burkholderia cepacia |
| D. | Legionella |
| Answer» E. | |
| 8. |
Liquids that do not mix and can be separated in a separating funnel are called as |
| A. | residue |
| B. | miscible |
| C. | immiscible |
| D. | sublimate |
| Answer» D. sublimate | |
| 9. |
True about helicobacter pyelori are all except: |
| A. | Risk factor for development of denocarcinoma of stomach |
| B. | It provides life long immunity |
| C. | Urea breath test is diagnostic |
| D. | Gram negative,flagellate bacilli |
| Answer» C. Urea breath test is diagnostic | |
| 10. |
Asepsis means: |
| A. | Making a sterile barrier |
| B. | Disinfection of the surface |
| C. | Prevention of infection |
| D. | Destroying all forms of microorganism |
| Answer» B. Disinfection of the surface | |
| 11. |
All are true about Shigella except: |
| A. | Large dose is required for infection |
| B. | Associated with hemolytic uremic Syndrome |
| C. | Causes bloody diarrhea with mucus |
| D. | Gut pathology is due to toxin |
| Answer» B. Associated with hemolytic uremic Syndrome | |
| 12. |
Sputum can be disinfected by all except - |
| A. | Auto claving |
| B. | Boiling |
| C. | Cresol |
| D. | Chlorhexidine |
| Answer» E. | |
| 13. |
Ante mortem rabies diagnosis is made commonly from ? |
| A. | Corneal scraping |
| B. | Brain biopsy |
| C. | Skin biopsy |
| D. | Saliva |
| Answer» D. Saliva | |
| 14. |
Insipisation is used to sterilise ? |
| A. | Needles |
| B. | Endoscopes |
| C. | Scissors |
| D. | Culture medium |
| Answer» E. | |
| 15. |
The diagnostic enzyme for denitrification is |
| A. | nitrate oxidase |
| B. | nitrate reductase |
| C. | none of these |
| D. | nitro oxidoreductase |
| Answer» C. none of these | |
| 16. |
The third kingdom, protista, as suggested by E.H. Haeckel includes |
| A. | algae |
| B. | bacteria |
| C. | all of these |
| D. | fungi |
| Answer» D. fungi | |
| 17. |
Eukaryotic micro organisms include |
| A. | fungi |
| B. | protozoa |
| C. | all of these |
| D. | algae |
| Answer» D. algae | |
| 18. |
Type of immunity conferred on an individual by vacationist is - |
| A. | Artificial active |
| B. | Artificial passive |
| C. | Natural active |
| D. | Natural passive |
| Answer» B. Artificial passive | |
| 19. |
The granules discharge in mycetoma contains: |
| A. | Bone spicules |
| B. | Fungal colonies |
| C. | Pus cells |
| D. | Inflammatory cells |
| Answer» C. Pus cells | |
| 20. |
Which of vthe following statements about Prions is true: |
| A. | They have rich nuclear material |
| B. | They can be cultured in cell free media |
| C. | They are infectious proteins |
| D. | They are made up of bacteria and virus |
| Answer» D. They are made up of bacteria and virus | |
| 21. |
An organism grown on agar shows green coloured colonies;likely organism is: |
| A. | E.Coli |
| B. | Staphylococcus |
| C. | Peptostreptococcus |
| D. | Pseudomonas |
| Answer» E. | |
| 22. |
All are true regarding disinfectants except- |
| A. | Ethylene oxide is intermediate disinfectant |
| B. | Phenol usually requires organic matter to act |
| C. | Glutaraldehyde is sporicidal |
| D. | Hypochlorites are virucidal |
| Answer» C. Glutaraldehyde is sporicidal | |
| 23. |
A newly discovered microscopic structure is hypothesized to be a living organism. Which of the following lines of evidence would support the contention that this organism may be alive? |
| A. | It is made of a single cell |
| B. | It contains DNA |
| C. | All of these |
| D. | It utilizes energy |
| Answer» E. | |
| 24. |
Autoinfection is a mode of transmission in: |
| A. | Cycticercosis |
| B. | Trichinella |
| C. | Ascaris |
| D. | Ancylostoma |
| Answer» B. Trichinella | |
| 25. |
Consider the equation: Zn+2 (aq) + 2OH- (aq) → Zn(OH)2 (s). The precipitate of zinc hydroxide will be of |
| A. | blue color |
| B. | green color |
| C. | white color |
| D. | brown color |
| Answer» D. brown color | |
| 26. |
The microbial ecosystem of soil includes |
| A. | abiotic components of soil |
| B. | biotic components of soil |
| C. | none of the above |
| D. | biotic and abiotic components of soil |
| Answer» E. | |
| 27. |
Sterilization of fibre optic is done by ? |
| A. | Glutaraldehyde |
| B. | Chlorine |
| C. | Autoclave |
| D. | Phenol |
| Answer» B. Chlorine | |
| 28. |
The reactions of the cell that are carried out for capturing energy are called |
| A. | metabolism |
| B. | catabolism |
| C. | activation energy |
| D. | anabolism |
| Answer» C. activation energy | |
| 29. |
Endotoxin of which gram negative bacteria have no part in pathogenesis of disease: |
| A. | Klebsiella |
| B. | E. coli |
| C. | Pseudomonas Aerogenosa |
| D. | Vibrio cholerae |
| Answer» E. | |
| 30. |
Latex agglutination study of the antigen in CSF helps in the diagnosis of: |
| A. | Aspergillosis |
| B. | Histoplasmosis |
| C. | Cryptococcus |
| D. | Candidiasis |
| Answer» D. Candidiasis | |
| 31. |
Which of the following nucleoside diphosphates is used most often in carbohydrate anabolism? |
| A. | Adenosine diphosphate |
| B. | Uridine diphosphate |
| C. | Thymine diphosphate |
| D. | Guanine diphosphate |
| Answer» C. Thymine diphosphate | |
| 32. |
True about immunoglobulins is - |
| A. | IgE fixes complements |
| B. | IgM fixes complements |
| C. | IgG is found in minimum concentration |
| D. | IgG is elevated in primary immune response |
| Answer» C. IgG is found in minimum concentration | |
| 33. |
In a patient of orbital cellulitis,micro organism on culture show greenish colonies and optochin sensitivity.The most likely organism is: |
| A. | Pseudomonos |
| B. | Pseumococcus |
| C. | Strep.viridans |
| D. | Staphylococcus |
| Answer» C. Strep.viridans | |
| 34. |
Lymes disease all are true except- |
| A. | Infection progresses inspite of good humoral immunity |
| B. | Borellia bourgdorferi replicates locally and invades locally |
| C. | IgA intrathecally confirms meningitis |
| D. | Polymorphonuclear lymphocytosis in CSF suggest meningial involvement |
| Answer» E. | |
| 35. |
Which of the following is not found in the kingdom Monera? |
| A. | Organized cell structure |
| B. | Organelles |
| C. | Ability to use energy |
| D. | Ability to reproduce |
| Answer» C. Ability to use energy | |
| 36. |
Foul smelling gases include |
| A. | Ammonia |
| B. | H2S |
| C. | none of these |
| D. | both of these |
| Answer» E. | |
| 37. |
Which of the following is transmitted by Rat urine? |
| A. | Legionella |
| B. | Mycoplasma |
| C. | Leptospira |
| D. | Listeria |
| Answer» D. Listeria | |
| 38. |
Which spacecraft first visited Mercury? |
| A. | Mariner 8 |
| B. | Pioneer 4 |
| C. | Mariner 10 |
| D. | Ulysses |
| Answer» D. Ulysses | |
| 39. |
With Reference to antibiotic resistance all of the following statements are true,Except: |
| A. | Plasmid mediated resistance is exclusively transmitted vertically |
| B. | Most common mechanism is production of neutralizing enzymes by bacteria |
| C. | Alteration of target binding site leads to development of resistance to antibiotics in streptococcus pneumoniae |
| D. | Complete elimination of target binding site may be the mechanism of resistance in some enterococci against vancomycin |
| Answer» B. Most common mechanism is production of neutralizing enzymes by bacteria | |
| 40. |
Epidemic of polio is due to: |
| A. | Type I virus |
| B. | Type II virus |
| C. | Type III virus |
| D. | Combine of type II and type III virus |
| Answer» B. Type II virus | |
| 41. |
A young pregnant woman presents with fulminant hepatic failure .The most likely aetiological agent is: |
| A. | Hepatitis C virus |
| B. | Hepatitis B virus |
| C. | Hepatitis A virus |
| D. | Hepatitis E virus |
| Answer» E. | |
| 42. |
The phospholipids present in cytoplasm membrane of the archaeo-bacteria is |
| A. | polyisoprenoid |
| B. | phosphoglycerides |
| C. | none of the above |
| D. | polyisoprenoid branched chain lipids |
| Answer» E. | |
| 43. |
When was Michael Crichton born? |
| A. | 4/17/1948 12:00:00 AM |
| B. | 1/6/1944 12:00:00 AM |
| C. | 10/23/1942 12:00:00 AM |
| D. | 8/16/1946 12:00:00 AM |
| Answer» D. 8/16/1946 12:00:00 AM | |
| 44. |
Prions are killed by ? |
| A. | Autoclave |
| B. | Ethylene dioxide |
| C. | Gamma radiation |
| D. | Autoclave and NaOH |
| Answer» E. | |
| 45. |
Aschoff Body is made up by ? |
| A. | Fibroblast |
| B. | Histocytes |
| C. | Lymphocytes |
| D. | Monocytes |
| Answer» D. Monocytes | |
| 46. |
Transplantation of the hosts own tissue is known as |
| A. | Isograft |
| B. | Allograft |
| C. | Xenograft |
| D. | Autograft |
| Answer» E. | |
| 47. |
The difficulty of discharge is highest in |
| A. | bromide ion |
| B. | hydroxide ions |
| C. | chloride ions |
| D. | nitrate ion |
| Answer» E. | |
| 48. |
Babesoisis is transmitted by - |
| A. | Tick |
| B. | Mites |
| C. | Flea |
| D. | Mosquito |
| Answer» B. Mites | |
| 49. |
'Urease breath test' is useful in diagnosis of infection with which bacterium ? |
| A. | Listeria monocytogenes |
| B. | Proteus mirabilis |
| C. | Campylobacter jejuni |
| D. | Helicobactor pylori |
| Answer» E. | |
| 50. |
The correct term for the transfer of genetic material between bacteria in direct physical contact is |
| A. | transformation |
| B. | conjugation |
| C. | transduction |
| D. | replication |
| Answer» C. transduction | |