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PROTEINS AND PROTEIN METABOLISM- Part 10
See all quizzes of PROTEINS AND PROTEIN METABOLISM- Part 10 here:
1 Gamma heavy chains are of
(A) Two types (B) Three types
(C) Four types (D) Five types
2. Gamma heavy chains are present in
(A) IgA (B) IgG
(C) IgM (D) IgD
3. Heavy chains in IgD are of following type:
(A) Alpha (B) Gamma
(C) Delta (D) Epsilon
4. On exposure to any antigen, the first
antibody to be formed is of the following
class:
(A) IgA (B) IgG
(C) IgM (D) IgE
5. Constant segment genes of heavy chains
are present in a cluster in which the first
gene on side is
(A) Alpha (B) Gamma
(C) Delta (D) None of these
6. Cell-mediated immunity is the function of
(A) B lymphocytes (B) T lymphocytes
(C) Plasma cells (D) Basophils
7. The most abundant T cells are
(A) Cytotoxic T cells (B) Helper T cells
(C) Suppressor T cells (D) Memory T cells
8. T cells can recognise
(A) Free antigens
(B) Antigens bound to cells
(C) Antigens bound to antibodies
(D) Antigens bound to MHC proteins
9. MHC proteins are unique to
(A) Each cell (B) Each organ
(C) Each individual (D) Each species
10. MHC class I proteins are present on the
surface of
(A) B cells only (B) T cells only
(C) Macrophages only(D) All cells
11. MHC class I proteins, in conjunction with
antigens are recognised by
(A) Cytotoxic T cells (B) Helper T cells
(C) Suppressor T cells (D) Memory T cells
12. MHC class II proteins are present on the
surface of
(A) All cells
(B) B lymphocytes only
(C) Macrophages only
(D) Macrophages and B lymphocytes
13. MHC Class II proteins, in conjunction with
antigens, are recognised by
(A) Cytotoxic T cells
(B) Helper T cells
(C) Suppressor T cells
(D) Memory T cells
14. CD 8 is a transmembrane glycoprotein
present in
(A) Cytotoxic T cells
(B) Helper T cells
(C) Suppressor T cells
(D) Memory T cells
15. CD 4 is a transmembrane glycoprotein
present in
(A) Cytotoxic T cells (B) Helper T cells
(C) Suppressor T cells (D) Memory T cells
16. CD 3 complex and p 56lck proteins are
present in
(A) Cytotoxic T cells (B) Helper T cells
(C) Both (A) and (B) (D) None of these
17. Cytotoxic T cells release
(A) Perforins
(B) Interleukins
(C) Colony stimulating factors
(D) Tumour necrosis factor
18. Helper T cells release
(A) Interleukins
(B) Colony stimulating factors
(C) Tumour necrosis factor
(D) All of these
19. MHC Class III proteins include
(A) Immunoglobulins
(B) Components of complement system
(C) T cells receptors
(D) CD4 and CD8 proteins
20. Human immunodeficiency virus destroys
(A) Cytotoxic T cells (B) Helper T cells
(C) B cells (D) Plasma cells
21. In allergic diseases, the concentration of
the following is increased in plasma:
(A) IgA (B) IgG
(C) IgD (D) IgE
22. IgE has a tendency to attach to
(A) Basophils (B) Mast cells
(C) Both (A) and (B) (D) None of these
23. Reaginic antibody is
(A) IgA (B) IgG
(C) IgD (D) IgE
24. Active immunity can be produced by
administration of
(A) Killed bacteria or viruses
(B) Live attenuated bacteria or viruses
(C) Toxoids
(D) All of these
25. Passive immunity can be produced by
administration of
(A) Pure antigens
(B) Immunoglobulins
(C) Toxoids
(D) Killed bacteria or viruses
26. Helper T cells release all the following
except
(A) Interleukins
(B) Colony stimulating factors
(C) Perforins
(D) Tumour necrosis factor
27. IgG cleaved by papain into
(A) Two light and two heavy chains
(B) Two Fab and one Fc fragments
(C) Two pairs of one light and one heavy chain
each
(D) One Fab and two Fc fragments
28. Bence-Jones protein is
(A) An immunoglobulin
(B) A dimer of heavy chains
(C) A dimer of light chains
(D) A dimer of one heavy and one light chains
29. Bence-Jones proteins possess all the
following properties except
(A) They are dimers of light chains
(B) Their amino acids sequences are identical
(C) Their N-terminal halves have variable amino
acid sequences
(D) Their C-terminal halves have constant amino
acid sequences
30. A Zwitterion is
(A) Positive ion (B) Negative ion
(C) Both (A) and (C) (D) None of these
