MCQ Bank
Classical complement pathway is also known as -----------------pathway.
- A) Antibody dependent
- B) Antibody independent
- C) Opsonin dependent
- D) Proenzyme dependent
A----------------is a membrance bound cell organelle that contains digestive enzymes.
- A) phagolysosome
- B) Lysozyme
- C) Phagosome
- D) lysosome
Unknown antibody can be determined byusing...................- ELISA.
- A) Indirect
- B) Direct
- C) Sandwich
- D) Complement
During equilibrium phase of immunogenclearance after primary injection,---------occurs.
- A) antibodies combines with antigens
- B) activation macrophages & phagocytic cells
- C) rapid diffusion of antigens
- D) decay of antigens
These all factors influence the antigen and antibody reaction EXCEPT «oo...
- A) Affinity
- B) Avidity
- C) Ratio of antigen and antibody
- D) chemical composition
These all are principles for clonal selection of lymphocytes EXCEPT ----------
- A) Unique Receptor Specificity
- B) Lymphocyte Activation
- C) Differentiation of lymphocyte
- D) Selection of lymphocytes receptors bearing against self.molecules
During the regulation of VDJ recombination, Recombination occurs after the removalof introns between......... in case oflight chain
- A) D & J
- B) V & d
- C) V.D & d
- D) V&D
These all are true for intracellular pathogens EXCEPT----------
- A) Secretory immune moleculesareineffective
- B) Cell mediated immune response is the primary defense
- C) Cell mediated immune response varies according to the residing site of the pathogen
- D) B-Lymphocytes play role in cell mediated immunity
Flushing actions of tear and saliva are the-------- of innate immune system.
- A) secretory component
- B) chemical factor
- C) Mechanical factor
- D) Humoral component
Particulate nature of antigen causesthe .............. reaction whenreact with corresponding antibody.
- A) Agglutination
- B) Precipitation
- C) Complement
- D) Antibody production
MHC II 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
These all are true for IgE immunoglobulin EXCEPT.
- A) least common serum antibody
- B) exist as monomer
- C) involvein allergic reactions
- D) Responsibleforviruskilling
Peyer patchesare secondary lymphoid which are present------
- A) Inside the GIT
- B) Underneath the liver
- C) Underneath the ear
- D) In throat
AIDS stands for ...........
- A) Acquired immunodeficiency syndrome
- B) Acute immunodeficiency syndrome
- C) Acquired immune system
- D) Active immunodeficiency symptom
Domains are the folded regions in immunoglobulin molecules which contain an ………………
- A) covalent bond
- B) inter-chain disulfide bond
- C) intra-chain disulfide bond
- D) hydrogen bond
-------------immunodiffusion is used for the qualitative analysis of complex mixture of antigen.
- A) Radial
- B) Single
- C) Double
- D) Precipitation
Activation induced cytidine deaminase play essential role in the deamination of ...............
- A) DNA
- B) RNA
- C) mRNA
- D) Protein
RSS stands for------------------------
- A) Recombining Signal Sequence
- B) Reactive Signal Sequence
- C) Recombination Signal Sequence
- D) RNA Signal Sequence
Main objective of Habitat-Species Management Area is ------- .
- A) to conserve and maintain habitat
- B) to maintain species
- C) to conserve species
- D) All of these
Cell division and metabolism of bacteria is ____ during storage of culture.
- A) Not arrested
- B) Incompletely arrested
- C) Destroyed
- D) Completely arrested