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. |
Vaccines used against viral infections are |
| A. | Measles and Mumps vaccine |
| B. | Cholera vaccine |
| C. | Typhoid vaccine |
| D. | Anti-rickettsial vaccine |
| Answer» B. Cholera vaccine | |
| 2. |
The process of formation of mesozygoteis called |
| A. | Meromixi |
| B. | Exozygote |
| C. | Mitosis |
| D. | Meiosis |
| Answer» B. Exozygote | |
| 3. |
Autolysis is done by |
| A. | Mitochondria |
| B. | Lysosomes |
| C. | Golgi bodies |
| D. | Peroxisomes |
| Answer» C. Golgi bodies | |
| 4. |
A mutation that produces terminationcodon is |
| A. | Mis-sense mutation |
| B. | Neutral mutation |
| C. | Non-sense mutation |
| D. | Reverse mutation |
| Answer» D. Reverse mutation | |
| 5. |
Biological Oxygen Demand (BOD) is a measure of: |
| A. | Industrial wastes poured into water bodies |
| B. | Extent to which water is polluted with organic compounds |
| C. | Amount of carbon monoxide inseparably combined with haemoglobin |
| D. | Amount of oxygen needed by green plants during night |
| Answer» B. Extent to which water is polluted with organic compounds | |
| 6. |
Interferon is formed by |
| A. | Lymphocyte |
| B. | Lymphoblasts |
| C. | Fibroblasts |
| D. | All of these |
| Answer» E. | |
| 7. |
Which of the following was a non-neuralvaccine for rabies? |
| A. | HEPV |
| B. | Card vaccine |
| C. | BPL |
| D. | Simple |
| Answer» B. Card vaccine | |
| 8. |
Diphtheria virulence test is |
| A. | Ascoli’s thermoprecipitation test |
| B. | Eleck’s gel precipitation test |
| C. | C.R.P test |
| D. | M.R.T. test |
| Answer» C. C.R.P test | |
| 9. |
Nalidixic acid activity is due to |
| A. | The inhibition of DNA synthesis |
| B. | Inhibition of protein synthesis |
| C. | The inhibition of cell wall synthesis |
| D. | Both b and c |
| Answer» B. Inhibition of protein synthesis | |
| 10. |
Which one of the following tissues can metabolize glucose, fatty acids and ketone bodies for ATP production? |
| A. | Liver |
| B. | Muscle |
| C. | Brain |
| D. | R.B.C |
| Answer» C. Brain | |
| 11. |
The commonest form of anthrax in manis |
| A. | Alimentary |
| B. | Cutaneous |
| C. | Pulmonary |
| D. | Hepatic |
| Answer» C. Pulmonary | |
| 12. |
Which of these is a trace element forbacteria? |
| A. | Mg+2 |
| B. | Na+ |
| C. | Ca+2 |
| D. | Mn+2 |
| Answer» C. Ca+2 | |
| 13. |
Causative agent of syphilis |
| A. | T. pallidum |
| B. | T. pertenue |
| C. | T. carateum |
| D. | T. endemicum |
| Answer» B. T. pertenue | |
| 14. |
In blood transfusion it is essential that |
| A. | Blood of hologous group should always be same |
| B. | Direct matching between patient’s serum and donor’s corpuscles be performed |
| C. | Both a & b |
| D. | None of these |
| Answer» D. None of these | |
| 15. |
The most commonly used microorganismin alchohol fermentation is |
| A. | A spergilus niger |
| B. | Bacillus subtilis |
| C. | Sacharomyces cerevisiae |
| D. | Escherichia coli |
| Answer» B. Bacillus subtilis | |
| 16. |
The stalked particles on the cristae ofmitochondria are called |
| A. | Glyoxysome |
| B. | Peroxisomes |
| C. | Oxysomes |
| D. | Spherosomes |
| Answer» C. Oxysomes | |
| 17. |
Bacteria which need oxygen for growthare called |
| A. | Thermophilic bacteria |
| B. | Microaerophilic bacteria |
| C. | Facultative anaerobic bacteria |
| D. | Mycobacteria |
| Answer» C. Facultative anaerobic bacteria | |
| 18. |
DNA finger printing is based on |
| A. | Repetitive sequences |
| B. | Unique sequences |
| C. | Amplified sequences |
| D. | Non-coding sequences |
| Answer» C. Amplified sequences | |
| 19. |
Antigen-antibody reactions are |
| A. | Reversible |
| B. | Irreversible |
| C. | Specific |
| D. | Both a and b |
| Answer» E. | |
| 20. |
Epidemic pleurodynia and myocarditis ofnew born infants are both caused by |
| A. | Group B cox sack virus |
| B. | Reovirus |
| C. | Polyomavirus |
| D. | Cytomegalovirus |
| Answer» B. Reovirus | |
| 21. |
The capacity of a given strain of microbialspecies to produce disease is known as |
| A. | Pathogen |
| B. | Virulence |
| C. | Infection |
| D. | None of these |
| Answer» C. Infection | |
| 22. |
The dengue fever virus is – |
| A. | Arbo viru |
| B. | Echo virus |
| C. | Entero virus |
| D. | Orthomyxo virus |
| Answer» B. Echo virus | |
| 23. |
Anthrax is a |
| A. | Vector borne |
| B. | Zoonotic infection |
| C. | Wound bone |
| D. | Soil borne |
| Answer» C. Wound bone | |
| 24. |
Cells are active and synthesizing new protoplasm. This stage of growth is called |
| A. | Lag phase |
| B. | Stationary phase |
| C. | Log phase |
| D. | All of these |
| Answer» B. Stationary phase | |
| 25. |
Main causative organism of chiken pox is |
| A. | Fox viru |
| B. | Mumps virus |
| C. | Measles virus |
| D. | None of these |
| Answer» E. | |
| 26. |
Dengue fever is caused by – |
| A. | Bacteria |
| B. | Virus |
| C. | Fungi |
| D. | Rickettsia |
| Answer» C. Fungi | |
| 27. |
Coagulase test is used for |
| A. | Salmonella |
| B. | Staphylococcus |
| C. | Bordetella |
| D. | Pneumococcus |
| Answer» C. Bordetella | |
| 28. |
Mode of action of quinolone antibioticson growing bacteria was thought to be |
| A. | Inhibition of â lactamase |
| B. | Prevention of the cross linking of glycine |
| C. | Inhibition of DNA gyrase |
| D. | Inhibition of reverse transcriptase |
| Answer» D. Inhibition of reverse transcriptase | |
| 29. |
Hanging drop method for motility studywas first introduced by |
| A. | Robert Koch |
| B. | Louis Pasteur |
| C. | Jenner |
| D. | Leeuwenhock |
| Answer» E. | |
| 30. |
Botulism means |
| A. | Food adultration |
| B. | Food poisioning by streptococcus bacteria |
| C. | Chemical contamination of food |
| D. | Food processing |
| Answer» D. Food processing | |
| 31. |
Acridine dyes are more effective against |
| A. | Gram positive |
| B. | Gram negative |
| C. | Ricke Hsia |
| D. | Mycoplasma |
| Answer» B. Gram negative | |
| 32. |
Which type of antibodies will associatein blood cell coagulation? |
| A. | IgE |
| B. | IgA |
| C. | IgM |
| D. | IgG |
| Answer» D. IgG | |
| 33. |
Delayed type of hypersensitivity is seenin |
| A. | Penicillin allergy |
| B. | Contact dermatitis |
| C. | Arthus reaction |
| D. | Anaphylaxis |
| Answer» C. Arthus reaction | |
| 34. |
The two chromat ids of metaphase chrosome represent |
| A. | Replicated chromosomes to be separated at anaphase |
| B. | Homologous chromosomes of a diploid set |
| C. | Non-homologous chromosomes joined at the centromere |
| D. | Maternal and paternal chromosomes joined |
| Answer» B. Homologous chromosomes of a diploid set | |
| 35. |
Tinea capitis is |
| A. | Ring worm of the foot |
| B. | Ring worm of scalp |
| C. | Ring worm of non-hairy skin of body |
| D. | Both a and c |
| Answer» D. Both a and c | |
| 36. |
Isolation is |
| A. | Purification of culture |
| B. | Introduction of inoculum |
| C. | Separation of a single colony |
| D. | To grow microorganisms on surfaces |
| Answer» D. To grow microorganisms on surfaces | |
| 37. |
Penicillic acid is produced by |
| A. | A. ochraceu |
| B. | P. puberulum |
| C. | Both a and b |
| D. | None of the above |
| Answer» D. None of the above | |
| 38. |
Viruses can be cultivated in |
| A. | Lab media |
| B. | Broth |
| C. | Living cells |
| D. | None of these |
| Answer» D. None of these | |
| 39. |
The parasite related to ancylostomaduodenale is |
| A. | Wuchereria bancrofti |
| B. | Necatur americanes |
| C. | Loa loa |
| D. | Trichinella spiralis |
| Answer» C. Loa loa | |
| 40. |
By pasteurization |
| A. | All the microorganisms can be removed |
| B. | Only pathogenic forms can be removed |
| C. | Only non-pathogenic forms can be removed |
| D. | All of these are correct |
| Answer» C. Only non-pathogenic forms can be removed | |
| 41. |
Pectinase is industrially produced from |
| A. | S.cereviceae |
| B. | Trichoderma Koningi |
| C. | A. nigar |
| D. | None of these |
| Answer» D. None of these | |
| 42. |
Pertussis vaccine is |
| A. | Heat killed |
| B. | Formalin killed |
| C. | Attenuated |
| D. | live |
| Answer» C. Attenuated | |
| 43. |
If 10x and 40x objectives are used (air isthe medium), the numerical aperture is |
| A. | 1.5 |
| B. | 2.0 |
| C. | 1.0 |
| D. | 1.8 |
| Answer» D. 1.8 | |
| 44. |
The antiseptic method was first demonstrated by |
| A. | Lwanowski |
| B. | Lord Lister |
| C. | Edward Jenner |
| D. | Beijerinck |
| Answer» C. Edward Jenner | |
| 45. |
Streptococcus forms causes which type ofinfections? |
| A. | Fever |
| B. | Zoonotic |
| C. | Pyogenic |
| D. | None of these |
| Answer» E. | |
| 46. |
Staining material of gram positivebacterium is |
| A. | Fast green |
| B. | Haematoxylon |
| C. | Crystal violet |
| D. | Safranin |
| Answer» D. Safranin | |
| 47. |
The ion that is required in trace amountsfor the growth of bacteria is |
| A. | Calcium |
| B. | Magnesium |
| C. | Cobalt |
| D. | Sodium |
| Answer» D. Sodium | |
| 48. |
The Baterium that is most commonly usedin genetic engineering is |
| A. | Escherichia |
| B. | Klebsiella |
| C. | Proteius |
| D. | Serratia |
| Answer» B. Klebsiella | |
| 49. |
During recombination, the strain that donates genetic material frequently with high rate: |
| A. | Hfr-Strain |
| B. | F+-Strain |
| C. | F-Strain |
| D. | both a and c |
| Answer» B. F+-Strain | |
| 50. |
Cellulose are produced from |
| A. | S.cereviceae |
| B. | Trichoderma Koningi |
| C. | A. nigar |
| D. | None of these |
| Answer» C. A. nigar | |