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MCQs

Total Questions : 76 | Page 3 of 8 pages
Question 21. Which of the following biosensor is a formaldehyde biosensor?
  1.    Calorimetric biosensor
  2.    Potentiometric biosensor
  3.    Optical biosensor
  4.    Piezo-electric biosensor
 Discuss Question
Answer: Option D. -> Piezo-electric biosensor
Answer: (d).Piezo-electric biosensor
Question 22. What does the following equation represent?
\(∆f=\frac{Kf^2 ∆m}{A}\)
  1.    Frequency change
  2.    Current
  3.    Electrical resistance
  4.    Electrical potential
 Discuss Question
Answer: Option A. -> Frequency change
Answer: (a).Frequency change
Question 23. ______________ is used to detect and amplify an antigen-antibody reaction.
  1.    Calorimetric biosensor
  2.    Optical biosensor
  3.    ELISA
  4.    Potentiometric biosensor
 Discuss Question
Answer: Option C. -> ELISA
Answer: (c).ELISA
Question 24. Abbreviation of ELISA is __________________
  1.    Ion Selective Field Effect Transistors
  2.    Enzyme Linked Field Effect Transistors
  3.    Adenosine triphophosphate
  4.    Enzyme Linked Immunosorbent Assay
 Discuss Question
Answer: Option D. -> Enzyme Linked Immunosorbent Assay
Answer: (d).Enzyme Linked Immunosorbent Assay
Question 25. Which of the following is a drawback of formaldehyde biosensor?
  1.    Inexpensive
  2.    Small and robust
  3.    Difficulty in the determination of material in solution
  4.    Rapid response
 Discuss Question
Answer: Option C. -> Difficulty in the determination of material in solution
Answer: (c).Difficulty in the determination of material in solution
Question 26. ELISA techniques have been combined with biosensors to form __________
  1.    calorimetric biosensor
  2.    piezo-electric biosensor
  3.    immunosensor
  4.    potentiometric biosensor
 Discuss Question
Answer: Option C. -> immunosensor
Answer: (c).immunosensor
Question 27. Y-shaped protein molecules manufactured by the body that help fight antigens is referred to as _____________
  1.    antigen
  2.    antigen enzyme conjugate
  3.    antibody enzyme conjugate
  4.    antibody
 Discuss Question
Answer: Option D. -> antibody
Answer: (d).antibody
Question 28. Pick odd one out.
  1.    BOD
  2.    COD
  3.    Mustard gas
  4.    NH₃
 Discuss Question
Answer: Option C. -> Mustard gas
Answer: (c).Mustard gas
Question 29. _________ is a substance that stimulates the immune system to produce antibodies.
  1.    Antigen
  2.    Antibody
  3.    Antigen enzyme conjugate
  4.    Antibody enzyme conjugate
 Discuss Question
Answer: Option A. -> Antigen
Answer: (a).Antigen
Question 30. Biosensors have been applied in medical field to __________
  1.    measure BOD
  2.    detect toxic compounds
  3.    detect plant neutrients
  4.    diagnose infectious diseases
 Discuss Question
Answer: Option D. -> diagnose infectious diseases
Answer: (d).diagnose infectious diseases

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