Immunology in Biotechnology MCQ Questions & Answers

1

Which one of the following amino acids is catalyzed by activated macrophages to produce reactive nitrogen species?

A) Arginine B) Asparagine C) Cysteine D) Histidine

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Answer & Solution

Answer: Option A

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2

Recombinant live attenuated vaccine against hepatitis B was prepared from

A) Plasma of chronically infected individual B) Recombinant yeast expressing hepatitis B surface antigen C) Recombinant vaccinia virus expressing hepatitis B surface antigen D) Transgenic plants expressing hepatitis B surface antigen

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Answer & Solution

Answer: Option B

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3

Which of the following statements about immune response are correct?
P. T cells are activated by antigen-presenting cells.
Q. Foreign peptides are not presented to helper T cells by class II MHC proteins.
R. Dendritic cells are referred to as professional antigenpresenting cells.

A) P and R only B) P and Q only C) Q and R only D) P, Q and R

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Answer & Solution

Answer: Option A

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4

Which one of the following complement proteins is the initiator of the membrane attack complex?

A) C3a B) C3b C) C5a D) C5b

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Answer & Solution

Answer: Option D

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5

Which class of antibody is first made by developing B cells inside bone marrow?

A) IgG B) IgE C) IgA D) IgM

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Answer & Solution

Answer: Option D

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6

Macrophages eliminate pathogenic bacteria upon activation by

A) NK cells B) Basophils C) CD4 + T cells D) Plasma cells

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Answer & Solution

Answer: Option C

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7

Match the items Group I with Group II.

Group I	Group II
P. Programmed cell death at site of infection	1. TMV coat protein
Q. Hormone upregulated during flooding stress	2. EPSP synthase
R. Target for herbicide glyphosate	3. Hypersensitive response
S. Pathogen-derived resistance	4. Ethylene

A) P-1, Q-2, R-4, S-3 B) P-3, Q-4, R-2, S-1 C) P-1, Q-4, R-2, S-3 D) P-3, Q-2, R-4, S-1

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Answer & Solution

Answer: Option B

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8

Idiotypic determinants of an antibody are associated with the

A) Constant region of the heavy chains B) Constant region of the light chains C) Variable region D) Constant regions of light and heavy chains

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Answer & Solution

Answer: Option C

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9

Interferon β is produced by

A) Bacteria infected cells B) Virus infected cells C) Both virus and bacteria infected cells D) Fungi infected cells

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Answer & Solution

Answer: Option B

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10

Junctional diversity of antibody molecules results from

A) The addition of switch region nucleotides B) The addition of N and P nucleotides C) The joining of V, D and J segments D) Mutations in complementarity-determining regions

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Answer & Solution

Answer: Option B

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Immunology in Biotechnology MCQ Questions & Answers | Biotechnology