Genetics Of Cancer And Immune Response(Cell Biology ) Questions and Answers

Question 1. Helper T lymphocytes possess ____________ proteins on their surface.
  1.    CD2
  2.    CD3
  3.    CD4
  4.    CD5
Explanation:-
Answer: Option C. -> CD4
Answer: (c).CD4

Question 2. Which of the following is the main target of HIV?
  1.    Helper T cells
  2.    Autoantibodies
  3.    Cytotoxic T cells
  4.    B lymphocytes
Explanation:-
Answer: Option A. -> Helper T cells
Answer: (a).Helper T cells

Question 3. Which of the following is an essential requirement for the differentiation of regulatory T cells?
  1.    FOXP1
  2.    FOXP2
  3.    FOXP3
  4.    FOXP4
Explanation:-
Answer: Option C. -> FOXP3
Answer: (c).FOXP3

Question 4. In all the immunoglobulins, there are _____ type(s) of light chains and ______ type(s) of heavy chain.
  1.    2, 1
  2.    2, 2
  3.    1, 2
  4.    1, 1
Explanation:-
Answer: Option B. -> 2, 2
Answer: (b).2, 2

Question 5. IgG is the predominant antibody in the secretion of respiratory tract.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option B. -> False
Answer: (b).False

Question 6. Patients suffering from which of the following disease contain large quantities of a single type of antibodies?
  1.    glioblastoma
  2.    prostate cancer
  3.    breast cancer
  4.    multiple myeloma
Explanation:-
Answer: Option D. -> multiple myeloma
Answer: (d).multiple myeloma

Question 7. Binding of which of the following antibody’s heavy chain initiates the lysis of bound bacterial cells?
  1.    IgM
  2.    IgD
  3.    IgA
  4.    IgE
Explanation:-
Answer: Option A. -> IgM
Answer: (a).IgM

Question 8. The antigenic determinant is called _________________
  1.    epitope
  2.    epitome
  3.    microbiome
  4.    metagenome
Explanation:-
Answer: Option A. -> epitope
Answer: (a).epitope

Question 9. Plasma cells are mainly found in the bone marrow.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
Explanation:-
Answer: Option A. -> True
Answer: (a).True

Question 10. In which year was the two “gene – one polypeptide” hypothesis put forward?
  1.    1945
  2.    1955
  3.    1965
  4.    1975
Explanation:-
Answer: Option C. -> 1965
Answer: (c).1965