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Microbiology (Part- 5) MCQs with Answers

MICROBIOLOGY-3

1. Which of the following is called serum Hepatitis?
a. HCV
b. HAV
c. HBV
d. HIV

2. Which of the following was a non-neural vaccine for rabies?
a. HEPV
b. Card vaccine
c. BPL
d. Simple

3. Which type of antibodies will associate in blood cell coagulation?
a. IgE
b. IgA
c. IgM
d. IgG

4. In a antigen haptens are
a. Immunogenic
b. Non-immunogenic
c. Antigenic
d. None of these

5. The antibody that is first formed after infection is
a. IgG
b. IgM
c. IgD
d. IgE

6. Antibodies in our body are produced by
a. B-lymphocytes
b. T-lymphocytes
c. Monocytes
d. RBC’s

7. The points at which crossing over has taken place between homologus chromosomes are called
a. Chiasmata
b. Synaptonemal complex
c. Centromeres
d. Protein axes

8. How much globulin present in human serum?
a. 8%
b. 12%
c. 16%
d. 4%

9. The substance which acts as antimetabolites are called
a. Activators
b. Substrates
c. Inhibitor
d. Cofactor

10. Enzymes are chemically
a. Lipids
b. Proteins
c. Carbohydrates
d. None of these

11. Monoclonal antibodies are produced by
a. Hybridoma technology
b. Biotechnology
c. Fermentation Technology
d. None of these

12. First line of body defence is
a. Antibody molecules
b. Unbroken skin
c. Antigen molecules
d. Phagocytic cells

13. What is the strength of the bond between antigen and antibody?
a. Affinity
b. Avidity
c. Covalent
d. None of these

14. Syphillis is caused by
a. Staphylococcus aureuss
b. Yersinia psdtis
c. Treponema pallidum
d. Streptococcus syphilitis

15. Nergibodies produced by rabies virus show characteristic _____ inner granues?
a. Basophilic
b. Eosinophilic
c. Neutrophilic
d. Acidophilic

16. The widely used yeast for the production of single cell protein is
a. Saccharomyces cerevisiae
b. Rhizopus
c. Candida utilis
d. All of the above

17. Analysis of protein antigen is by
a. Southern blot
b. Northern blot
c. Western blot
d. None of these

18. Which of the following can provide naturally acquired passive immunity for the new born.
a. IgA
b. IgG
c. IgE
d. IgM

19. AIDS disease is caused by a virus which belongs to
a. Retro virus group
b. Rhabdo virus group
c. Hepatitis virus group
d. Adeno virus group

20. Complement based agglutination reaction is known as
a. Haem agglutination
b. Coplement fixation
c. Conglutination
d. Schultz Dale Phenomenon

21. Reverse transcriptase is an enzyme involved in the synthesis of
a. DNA
b. Soluble RNA
c. m-RNA from DNA
d. Nucleotides

22. The cellular immune response is mediated by
a. B cells
b. T cell
c. BT cells
d. Endothelial cells

23. The major immunoglobulin present in the human serum is
a. IgG
b. IgA
c. IgE
d. IgG

24. Reagenic type antibody is
a. IgG
b. IgA
c. IgM
d. IgE

25. Blood group antigens are
a. Species specific
b. Isospecific
c. Autospecific
d. Organ specific

26. The reaction of soluble antigen with antibody is known by
a. Precipitation
b. Flocculation
c. Agglutination
d. Complement fixation

27. Interferon is composed of
a. Lipids
b. Lipoprotein
c. Glycoprotein
d. Nucleic acid

28. Agglutination reaction is strongest with the immunoglobulin:
a. IgM
b. IgG
c. IgA
d. IgD

29. The use of monoclonal antibodies is
a. Immunotherapy
b. Gene therapy
c. Blood transfusion
d. Organ transfusion

30. Hybridoma technique is used for
a. Monoclonal antibodies
b. Polyclonal antibodies
c. Both a and b
d. None of these

31. Test used for AIDS is
a. Widal test
b. ELISA
c. Aggluatination
d. CFT

32. Antibody having high valency is
a. IgG
b. IgA
c. IgD
d. IgM

33. Intensity of attraction between antigen and antibody molecule is known as
a. Affiniy
b. Avidity
c. Reaction
d. None of these

34. Active immunity is induced by
a. Infection
b. Placental transfer of antibodies
c. Injection of antibodies
d. Injection of gamma- globulins

35. Pasteur developed the vaccines for
a. Anthrax
b. Rabies
c. Chicken cholera
d. All of the above

36. Delayed type of hypersensitivity is seen in
a. Penicillin allergy
b. Contact dermatitis
c. Arthus reaction
d. Anaphylaxis

37. The following are used for the preservation of virus, except
a. Freezing (–20°C–70°C)
b. Lyophilization
c. Ether
d. Formaldehyde

38. Antibody formation depends on
a. Age of the person
b. Amount of antigen
c. Wellbeing of the person
d. All of the above

39. Local immunity is important in
a. Influenza
b. Allergy
c. Polio
d. All of these

40. Role of magnesium in vaccine is
a. Adjuvant
b. Stabilizer
c. Conditioner
d. All of these

41. Immunity is lifelong following
a. Diphtheria
b. Tetanus
c. Measles
d. Yellow fever

42. To prepare vaccine for small pox, the material used by Edward Jenner is
a. Small pox material
b. Chicken pox material
c. Cow-pox material
d. Measles material

43. During recombination, strain that Donates genetic material frequently with high rate:
a. Hfr-Strain
b. F+-Strain
c. F-Strain
d. both a and c

44. The character acquired by the cell due to recombination is
a. Inheritable
b. Syppressed
c. Dominating
d. Heritable

45. T-cells are produced from
a. Bonemarrow
b. Thymus
c. Spleen
d. None of these

46. Antibodies are produced from
a. T-cells
b. â-cells
c. NK cells
d. Eosinophils

47. Incomplete antigens are called
a. Immunogens
b. Epitomes
c. Haptens
d. Paratope

48. To be antigen, the chemical molecule (protein) needs
a. High molecular weight
b. Chemical complexity
c. Both a and b
d. None of these

49. The parts which filter lymph are
a. Lymph nodes
b. Spleen
c. Thymus
d. Bone marrow

50. The primary cells involved in immune response are
a. NK-cells
b. K-cells
c. Lymphocytes
d. None of these

Answers

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