11. Determine the correctness or otherwise of the following Assertion (A) and the Reason (R).
Assertion: IgM is found in serum as a pentameric protein consisting of five IgM monomers.
Reason: The pentameric form of IgM is due to cross linking of IgM monomers via peptide bond.
Assertion: IgM is found in serum as a pentameric protein consisting of five IgM monomers.
Reason: The pentameric form of IgM is due to cross linking of IgM monomers via peptide bond.
12. Which one of the following is NOT a part of the human non-specific defense system?
13. Match the immunoglobulin class in Group I with its properties in Group II.
Group I
Group II
P. IgG
1. Major antibody in external secretions such as bronchial mucus
Q. IgA
2. Protects against parasites
R. IgE
3. Antibody that appears first in serum after exposure to an antigen
S. IgM
4. Antibody present in highest concentration in serum
Group I | Group II |
P. IgG | 1. Major antibody in external secretions such as bronchial mucus |
Q. IgA | 2. Protects against parasites |
R. IgE | 3. Antibody that appears first in serum after exposure to an antigen |
S. IgM | 4. Antibody present in highest concentration in serum |
14. Reverse vaccinology indicates
15. Viral replication within cells is inhibited by
16. Antibody diversity is generated by
17. Match items in Group I with correct options from those given in Group II.
Group I
Group II
P. Tissue plasminogen activator
1. Immunomodulator
Q. Gamma interferon
2. Biodegradable plastic
R. Podophyllotoxin
3. Clot dissolution
S. Polyhydroxyalkanoate
4. Anti-tumor agent
Group I | Group II |
P. Tissue plasminogen activator | 1. Immunomodulator |
Q. Gamma interferon | 2. Biodegradable plastic |
R. Podophyllotoxin | 3. Clot dissolution |
S. Polyhydroxyalkanoate | 4. Anti-tumor agent |