VU Midterm Past Papers
47 solved midterm past paper MCQs for BT505 (Biosensors) at Virtual University, each with the correct answer marked. Use them to learn the VU question style and test your recall. An independent study tool — not affiliated with VU.
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Q1. Which of the following enzyme catalyze reactions that transfer functional groups within a molecule so that isomeric forms are produced?
Q2. Which of the following enzyme use glucose as substrate in Glucose sensor?
Q3. The minimum amount of analyte that can be detected by a biosensor defines its
Q4. is the ability of the biosensor to generate identical responses for a duplicated experimental set-up
Q5. A transistor that uses an electric field to control the shape and hence the conductivity of channel of one type or charge carrier in a semiconductor material is called
Q6. Which of the following best describe the sensitivity of biosensor?
Q7. What are main characteristics of Biosensor
Q8. A part of biosensor that processes the transduced signal and prepares it for display is called
Q9. All of the following factors are involved in affecting the stability of biosensor?
Q10. is the ability of a biosensor to obtain identical response for duplicate experimental setup?
Q11. In context of receptors in living cells, flow of ions play an important role in vision?
Q12. The Blood glucose Biosensor is a good example of
Q13. The sensors are classified on the basis of
Q14. In Glucose biosensor, current which generated from interaction of receptor and analyte is directly proportional to the concentration of?
Q15. Which of the following bind to minor groove of DNA?
Q16. is the process of joining two single strands of complementary DNA sequence and forming dsDNA.
Q17. Which of the following class of antibody is generated against multiple epitope?
Q18. Antibodies are valuable and robust tools for the fabrication of
Q19. The biological component of the Biosensor are
Q20. Monoclonal antibodies (mAbs) are produced by introducing an antigen to a mouse and then fusing polyclonal cells from the mouse's spleen to myeloma cells
Q21. Generally, the flow of fluid in a microchip is laminar due to and small distances.
Q22. The fluid flow is turbulent when the value of Reynolds number is greater than
Q23. In ELISA, the modified form of is used for immobilization
Q24. When plants are attacked by pathogen, they become under
Q25. DNA biosensors are based on the employment of DNA molecule as a.
Q26. is a device that can perform the functions of a laboratory on a single chip of only millimetres to a few square centimetres in size.
Q27. Chemical and Biological antibody fragmentation utilizes reducing agents to break the bonds within the hinge region.
Q28. Each nucleosome is composed of DNA wound 1.65 times around histone proteins.
Q29. The binding of DNA the complementary DNA or RNA sequence is called.
Q30. The baseline lactate level in blood ranges from mmol at rest
Q31. Histones are abundant in
Q32. are the chief protein components of chromatin, acting as spools around which DNA winds, and playing a role in gene regulation.
Q33. The optimal pH of enzyme horseradish peroxidase is
Q34. When developing a new ELISA for a specific antigen, the first step is to the ELISA.
Q35. An increase of one base pair in DNA-PNA duplex increases the thermal stability of the complex at least upto *C, as compared to DNA/DNA hybrids.
Q36. Antibody IgG, has, high affinity binding sites
Q37. are oligonucleotide hybridization probes that can report the presence of specific nucleic acids in homogeneous solutions.
Q38. plays main role in the evaporation of water
Q39. is composed of DNA wound 1.65 times around eight histone proteins.
Q40. The diploid cell has about micrometers of chromatin.
Q41. between protein helix and Phosphate groups of DNA happen during binding of DNA with Histones.
Q42. Molecular weight of Green Fluorescent Protein is kDa
Q43. Monoclonal Antibodies produced against human chorionic gonadotropin are used for detecting the
Q44. The oxidation of DNA bases is carried out near pH using phosphate buffer solution.
Q45. Aptamers bind to their target by determining the structure.
Q46. The cell wall of Gram-positive bacteria comprises a thick layer of
Q47. Escherichia virus T4 is a species of bacteriophages that infect bacteria