Immunology FYBSc Microbiology MCQs Set-1

microbiology mcqs

1:Which of the following is called serum Hepatitis? 

(a) HCV 
(b) HAV 
(c) HBV 
(d) HIV

Answer:(c) HBV 

2:Which of the following was a non-neural vaccine for rabies? 

(a) HEPV 
(b) Card vaccine 
(c) BPL 
(d) Simple

Answer:(a) HEPV 

3:Which type of antibodies will associate in blood cell coagulation? 

(a) IgE 
(b) IgA 
(c) IgM 
(d) IgG

Answer:(c) IgM 

4:In a antigen haptens are 

(a) Immunogenic 
(b) Non-immunogenic 
(c) Antigenic 
(d) None of these

Answer:(b) Non-immunogenic 

5:The antibody that is first formed after infection is 

(a) IgG 
(b) IgM 
(c) IgD 
(d) IgE

Answer:(b) IgM 

6:Antibodies in our body are produced by 

(a) B-lymphocytes 
(b) T-lymphocytes 
(c) Monocytes 
(d) RBC’s

Answer:(a) B-lymphocytes 

7:The points at which crossing over has taken place between homologous chromosomes are called 

(a) Chiasmata 
(b) Synaptonemal complex 
(c) Centromeres 
(d) Protein axes

Answer:(a) Chiasmata 

8:How much globulin is present in human serum? 

(a) 8% 
(b) 12% 
(c) 16% 
(d) 4%

Answer:(a) 8% 

9:The substance which acts as antimetabolites are called 

(a) Activators 
(b) Substrates 
(c) Inhibitor 
(d) Cofactor

Answer:(c) Inhibitor 

10:Enzymes are chemically 

(a) Lipids 
(b) Proteins 
(c) Carbohydrates 
(d) None of these

Answer:(b) Proteins 

11:Monoclonal antibodies are produced by 

(a) Hybridoma technology 
(b) Biotechnology 
(c) Fermentation Technology 
(d) None of these

Answer:(a) Hybridoma technology

12:What is the strength of the bond between antigen and antibody? 

(a) Affinity 
(b) Avidity 
(c) Covalent 
(d) None of these

Answer:(b) Avidity 

13: Syphillis is caused by 

(a) Staphylococcus aureus 
(b) Yersinia pestis 
(c) Treponema pallidum 
(d) Streptococcus syphilitis

Answer:(b) Yersinia pestis 

14:First line of body defence is 

(a) Antibody molecules 
(b) Unbroken skin 
(c) Antigen molecules 
(d) Phagocytic cells

Answer:(b) Unbroken skin 

15:Negri Bodies produced by rabies virus show characteristic _____ inner granules

(a) Basophilic 
(b) Eosinophilic 
(c) Neutrophilic 
(d) Acidophilic

Answer:(a) Basophilic 

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

Answer:(c) Candida utilis 

17:Analysis of protein antigen is by 

(a) Southern blot 
(b) Northern blot 
(c) Western blot 
(d) None of these

Answer:(c) Western blot 

18:Which of the following can provide naturally acquired passive immunity for the new born. 

(a) IgA 
(b) IgG 
(c) IgE 
(d) IgM

Answer:(b) IgG 

19:AIDS disease is caused by a virus which belongs to 

(a) Retro virus group 
(b) Rhabdo virus group 
(c) Hepatitis virus group 
(d) Adenovirus group

Answer:(a) Retro virus group 

20:Complement based agg lut inat ion reaction is known as 

(a) Haemagglutination 
(b) Complement fixation 
(c) Conglutination 
(d) Schultz Dale Phenomenon

Answer:(a) Haemagglutination 

21:Reverse transcriptase is an enzyme involved in the synthesis of 

(a) DNA 
(b) Soluble RNA 
(c) m-RNA from DNA 
(d) Nucleotides

Answer:(a) DNA 

22:The cellular immune response is mediated by 

(a) B cells 
(b) T cell 
(c) BT cells 
(d) Endothelial cells

Answer:(a) B cells 

23:The major immunoglobulin present in the human serum is 

(a) IgG 
(b) IgA 
(c) IgE 
(d) IgG 

Answer:(a) IgG 

24: Reagenic type antibody is 

(a) IgG 
(b) IgA 
(c) IgM 
(d) IgE

Answer:(d) IgE

25:Blood group antigens are 

(a) Species specific 
(b) Isospecific 
(c) Autospecific 
(d) Organ specific

Answer:(b) Isospecific 

26: The reaction of soluble antigen with antibody is known by 

(a) Precipitation 
(b) Flocculation 
(c) Agglutination 
(d) Complement fixation

Answer:(a) Precipitation 

27: Interferon is composed of 

(a) Lipids 
(b) Lipoprotein 
(c) Glycoprotein 
(d) Nucleic acid

Answer:(b) Lipoprotein 

28:Agglutination reaction is strongest with the immunoglobulin

(a) IgM 
(b) IgG 
(c) IgA 
(d) IgD

Answer:(a) IgM 

29: The use of monoclonal antibodies is 

(a) Immunotherapy 
(b) Gene therapy 
(c) Blood transfusion 
(d) Organ transfusion

Answer:(a) Immunotherapy 

30:Hybridoma technique is used for 

(a) Monoclonal antibodies 
(b) Polyclonal antibodies 
(c) Both a and b 
(d) None of these

Answer:(a) Monoclonal antibodies