Answer: Option A. -> poor antigens Answer: (a).poor antigens
Question 2. Which of the following is incorrect?
MAbs can be used to diagnose or treat diseases
MAbs can be used in tumor scanning
MAbs canbe used in cancer diagnosis
MAbs can not be used in such non-infectious diseases as those of endocrine system
Explanation:-
Answer: Option D. -> MAbs can not be used in such non-infectious diseases as those of endocrine system Answer: (d).MAbs can not be used in such non-infectious diseases as those of endocrine system
Question 3. In immuno-inflammatory diseases such as hemolytic anaemia, eczema etc.,
T8 cells are greatly reduced
T8 cells are greatly increased
T4 cells are greatly reduced
T4 cells are greatly increased
Explanation:-
Answer: Option A. -> T8 cells are greatly reduced Answer: (a).T8 cells are greatly reduced
Question 4. The EBV-hybridoma technique
immortalizes the donor Bcells
facilitates the proliferation of antigen specific B cells
gives much higher hybridization frequencies
all of the above
Explanation:-
Answer: Option D. -> all of the above Answer: (d).all of the above
Question 5. Helper T cells assist in the functions of
certain B cells
certain T cells
certain B cells and other T cells
none of the above
Explanation:-
Answer: Option C. -> certain B cells and other T cells Answer: (c).certain B cells and other T cells
Question 6. The antigen-specific lymphocytes can be immortalized by which of the following method?
Transfection with tumor derived DNA
Hybridization with a suitable lymphoid tumor cell
Transformation following infection by Epstein-Barr virus (EB V)
All of the above
Explanation:-
Answer: Option D. -> All of the above Answer: (d).All of the above
Question 7. Which type of cell actually secrets antibodies?
plasma cells
T cells
macrophages
dendritic cells
Explanation:-
Answer: Option A. -> plasma cells Answer: (a).plasma cells
Question 8. The Ig locus is about
2/3rd of all hybridomas
l/3rd of all hybridomas
l/2nd of all hybridomas
1/4th of all hybridomas
Explanation:-
Answer: Option A. -> 2/3rd of all hybridomas Answer: (a).2/3rd of all hybridomas
Question 9. A cytokine that stimulates the activity of B and T cells is
lymphotoxin
interlukin-2
interlukin-1
all of these
Explanation:-
Answer: Option B. -> interlukin-2 Answer: (b).interlukin-2
Question 10. Which of the following is correct?
rabbits do not make myelomas whereas mice are unable to synthesize antibodies
rabbits do not make myelomas whereas mice are able to synthesize antibodies
rabbits make myelomas whereas mice are unable to synthesize antibodies
rabbits make myelomas whereas mice are able to synthesize antibodies
Explanation:-
Answer: Option A. -> rabbits do not make myelomas whereas mice are unable to synthesize antibodies Answer: (a).rabbits do not make myelomas whereas mice are unable to synthesize antibodies
