The primary and secondary antibody response are same in case of...............

• A) T-dependent antigens
• B) T-independent antigens
• C) primary injection of antigens
• D) secondary injection of antigens

Kappa and lambdaarethe types of.......... of antibodies.

• A) Heavy chain
• B) Variable region
• C) Light chains
• D) Constant region

neare the proteinsthat bind with iron and deprive bacteria from iron.

• A) Lactoferrin and interferon
• B) Transferrin and interferon
• C) Interleukin and lactoferrin
• D) Lactoferrin and transferrin

The substrate of horseradish peroxidase is..............

• A) O-
• B) O2
• C) H2O
• D) H2O2

Following route of administration of vaccine is considered as appropriate in term of optimum immune response

• A) sub-cutaneous
• B) Intravenous
• C) Gastric
• D) Intramuscular

The principles of hybridoma formation include all of the following EXCEPT...................

• A) Injection of mice with an antigen
• B) Fusion of lymphocyte with Myeloma cell
• C) Isolation of T-lymphocyte from spleen of mice
• D) Selection hybridoma cell

The process of engulfing the invading orinfectious agent by phagocytes is known as......

• A) Lysosomal Lysis
• B) Engulfolysis
• C) Phagocytosis
• D) Parthenogenesis

The region on antibody which interact with the antigenic determinant of an antigen is known as...........

• A) Determinant
• B) Paratope
• C) Native determinant
• D) Epitope

The kinetics of primary antibody response against T-dependent antigens consist of ............ phases.

• A) 3
• B) 2
• C) 4
• D) 6

MHCII molecules contain highly conserved regions for binding to CD4 receptors.

• A) α 1 & β 2
• B) α2 & β 2
• C) α 2 & β 1
• D) α3 & β2

Antibodies fragments are generally produced by the action of..... Enzyme.

• A) Pepsin
• B) Papain
• C) Pectinase
• D) cellulase

------------commonly called skin peeling, is the shedding of the outermost membraneorlayer of a tissue, such as the skin.

• A) Desquamation
• B) Squamation
• C) Removal of mucuslining
• D) Peristalsis

Infectious diseases that spread from person to person are said to be —..........

• A) Contagious
• B) Dangerous
• C) Viral
• D) Fatal

All are true for adaptive immune system EXCEPT----------

• A) Readily available
• B) Specific
• C) Second line of Defense
• D) Memory

SCID is caused by the deficiency of enzyme(s)............

• A) RAG-1 & RAG-2
• B) cytidine deaminase
• C) REC-2
• D) REC-1

Affinity is the strength of binding between---------------------- antigenic determinant and antibody site.

• A) Multivalent
• B) Multiple
• C) Single
• D) Different

There are around 300 variable genes for------------- Chain of antibody.

• A) Lambda light chain
• B) heavy chain
• C) Kappa light chain
• D) joining

RSS are the sequences which are flanked between the V, Dand J----------

• A) Point mutation
• B) Terminals
• C) Introns
• D) Exons

Antigen binding Groove of Class | MHC can accommodate the peptides consisting of ........... amino acids.

• A) 20-30
• B) 13-25
• C) 8-10
• D) 30-40

Classical complement pathway is also known as -----------------pathway.

• A) Antibody dependent
• B) Antibody independent
• C) Opsonin dependent
• D) Proenzyme dependent