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Chapter:

120+ Immunology Solved MCQs

in Microbiology

These multiple-choice questions (MCQs) are designed to enhance your knowledge and understanding in the following areas: Bachelor of Agriculture (BSc agri) .

Chapters

Chapter: Immunology
101.

Organ isms can be attenuated for inoculation by

A. Growing it at a temperature higher than optimum
B. By passage through animals of different species which are less susceptible to it
C. By continous cultivation in presence of antagonistic substance
D. Any one of the above
Answer» D. Any one of the above
102.

Passive immunity lasts for the period of about

A. 10 days
B. 2 – 3 months
C. 10 years
D. None of the above
Answer» A. 10 days
103.

Following substance may act as an antigen

A. Egg albumin
B. RBC and serum
C. Vegetable protein
D. Snake venom
Answer» C. Vegetable protein
104.

H antigen are present in

A. Motile organ
B. Non-motile organ
C. Both a & b
D. None of these
Answer» A. Motile organ
105.

Antitoxin is used for _____ immunization.

A. Active
B. Passive
C. Both a and b
D. None of these
Answer» B. Passive
106.

The agglutinin test is used for _______

A. Identification of isolated bacteria
B. Typing of bacterial species
C. Study of antigenic structure of bacteria
D. All of these
Answer» D. All of these
107.

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» C. Both a & b
108.

To be anaphylactic, the sensitizing substance should be

A. Protein in nature
B. Should have a large molecular weight
C. Soluble in tissue fluids
D. All of the above
Answer» B. Should have a large molecular weight
109.

Which test is used for detecting susceptibility of an individual to diphtheria toxin?

A. Schick test
B. Dick test
C. V-P test
D. Precipitin test
Answer» A. Schick test
110.

Syndromes associated with Human T lymphotropic virus type I(HTLV-I) are

A. Adult T-cell lymphoma
B. Hairy cell leukemia
C. Adult T cell leukemia
D. All of these
Answer» B. Hairy cell leukemia
111.

AIDS patients suffer from pneumoniae due to

A. Pneumocystisis carinii
B. Cryptospodidium
C. S.pneumoniae
D. Toxoplasma
Answer» D. Toxoplasma
112.

Natural killer cells

A. Belongs to B-cell lineage
B. Belongs to T-cell lineage
C. Display cytotoxic effect on tumour cell
D. Require previous antigen exposure for activation
Answer» C. Display cytotoxic effect on tumour cell
113.

Immunoglobulin is associated with anaphylactic delayed hypersensitivity reaction

A. IgE
B. IgA
C. IgD
D. IgM
Answer» A. IgE
114.

The most abundant antibody found in serum is

A. IgA – 1
B. IgG – 1
C. IgG – 2
D. IgG – 3
Answer» A. IgA – 1
115.

Immunoglobulin which cannot activate complement

A. IgM
B. IgE
C. IgA
D. IgG
Answer» B. IgE
116.

Hydatid disease is identified by

A. Schick test
B. Dick test
C. Casoni test
D. Freis test
Answer» C. Casoni test
117.

Prausnitz kustner reaction is generated by

A. IgA
B. IgE
C. IgG
D. IgD
Answer» B. IgE
118.

Immunoglobin which are found in asthma at elevated level:

A. IgA
B. IgE
C. IgM
D. IgD
Answer» B. IgE
119.

What is the similarity between IgM & IgG?

A. A compliment fixation
B. Placental transport
C. Heat stability at 56oC
D. Sedimentation coefficient
Answer» A. A compliment fixation
120.

What is the technique for quantitative estimation of immunoglobulin?

A. Single diffusion in one dimension
B. Single diffusion in two dimension
C. Double diffusion in one dimension
D. Double diffusion in two dimension
Answer» B. Single diffusion in two dimension
121.

Cell mediated immunity can be identified by

A. Sheep bred blood corpuscles roasette formation
B. Microphase inhibiting factor
C. Skin test for delayed hyper sensitivity
D. All of these
Answer» D. All of these
122.

Out of the following which are the examples of autoimmune disease?

A. Acquired Haemolytic anaemia
B. Rheumatoid arthritis
C. Hashiomoto disease
D. All of these
Answer» D. All of these
123.

Which of the following is a true statement regarding Purified Protine Derivative (PPD) used in tuberculin test?

A. Prepared from tubercle bacilli
B. It is inferior to old tuberculin
C. Consists of filtrate of glycerol broth
D. None of these
Answer» A. Prepared from tubercle bacilli
124.

Which of the following are inactive viral vaccines?

A. Influenzae
B. Rabies
C. Russian spring summer encephalitis
D. All of these
Answer» D. All of these
125.

Antigenic variation is most extensive in

A. Influenza viru
B. Small pox virus
C. Measles virus
D. Herpes virus
Answer» A. Influenza viru
126.

Which is the correct statement related to hepatitis B virus?

A. Paramyxo viru
B. Orthomyxo virus
C. Reo viruses
D. Retro viruses
Answer» C. Reo viruses

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