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MCQs

Total Questions : 66 | Page 5 of 7 pages
Question 41. What is the function of tight junctions in epithelial cells?
  1.    Separation of fluids
  2.    Biocatalyst to enzymes
  3.    Protection
  4.    Support and structure
 Discuss Question
Answer: Option A. -> Separation of fluids
Answer: (a).Separation of fluids
Question 42. Which of the following is the continuous channel formed by the cell membranes?
  1.    Desmosomes
  2.    Peroxisomes
  3.    Annular Shell
  4.    Integrins
 Discuss Question
Answer: Option C. -> Annular Shell
Answer: (c).Annular Shell
Question 43. Bacteria uses glycoproteins and glycolipids to attach itself to the host cell.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer: Option A. -> True
Answer: (a).True
Question 44. Which of the following is a signaling molecule for bacteria?
  1.    Heteroserine lactones
  2.    Polyserine lactones
  3.    Monoserine lactones
  4.    Homoserine lactones
 Discuss Question
Answer: Option D. -> Homoserine lactones
Answer: (d).Homoserine lactones
Question 45. What do you mean by leukocyte extravasation?
  1.    Movement of leukocytes to tissues
  2.    Movement of leukocytes to blood
  3.    Lysis of leukocytes
  4.    Formation of leukocytes
 Discuss Question
Answer: Option A. -> Movement of leukocytes to tissues
Answer: (a).Movement of leukocytes to tissues
Question 46. Which of the following is the result of platelet interaction?
  1.    Tearing of cells
  2.    Coagulation
  3.    Antigen response
  4.    Inflammation
 Discuss Question
Answer: Option B. -> Coagulation
Answer: (b).Coagulation
Question 47. Which of the following immunoglobulin is naturally given to the fetus?
  1.    IgG
  2.    IgM
  3.    IgD
  4.    IgE
 Discuss Question
Answer: Option A. -> IgG
Answer: (a).IgG
Question 48. What ions is required for the function of cadherins?
  1.    Ca²⁺
  2.    Na⁺
  3.    K⁺
  4.    H⁺
 Discuss Question
Answer: Option A. -> Ca²⁺
Answer: (a).Ca²⁺
Question 49. In an immunoglobulin, the heavy chains and the light chains are held together by ____________
  1.    Diphosphate bond
  2.    Dichloride bond
  3.    Disulphide bond
  4.    Dihydroxide bond
 Discuss Question
Answer: Option C. -> Disulphide bond
Answer: (c).Disulphide bond
Question 50. What is the range of amino acids present in an immunoglobulin molecule?
  1.    50-110
  2.    70-110
  3.    60-10
  4.    80-110
 Discuss Question
Answer: Option B. -> 70-110
Answer: (b).70-110

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