B.Sc. (Biotechnology) Sem III 2019 2020 Oct 2020 BIOTECH BIO PHYSICS Question Paper - Mumbai University | munotes

Questions asked in this paper

• 1. Attempt all questions

1. Q2 All questions carry equal marks
2. Q4 Use of log tables and non-programmable calculator is allowed
3. Q5 and Q 4 attempt A and B OR C and D Do as directed (Any fifteen) 15 Define “Frequency of Electromagnetic Radiation” Explain ‘Dispersion of light’
4. Q4 List two example of florescent molecules used in cell staining State Lamberts’ Law
5. Q6 What is ‘population inversion”? part of the electromagnetic spectrum is sensed by the
6. Q8 Explain the term : Radiation
7. Q9 Define the term : Wave motion
8. Q10 The maximum displacement of a wave particle from its mean position of rest is called its
9. Q11 unit of magnetic field is What is antiferromagmetism?
10. Q13 Explain the term : Viscosity : Constant voltage is maintained by in the apparatus assesmbly
11. Q15 Rounded contours of molecule retardation friction
12. Q16 Electrodes in paper electrophoresis are made up of
13. Q17 Define - electrophoresis
14. Q18 Define — discontinuous gel electrophoresis
15. Q19 Give one example of type of paper electrophoresis
16. Q20 State a function of TEMED
17. Q2 A_ Give detailed account on LASER 8 marks
18. Q2 B Writea detailed note on ‘Spectrophotometers’ 7 marks
19. Q2 C Give an account on florescent microscopy. 8 marks
20. Q2 D_ Explain sample preparation for Electron Microscopy. 7 marks
21. Q3 A_ Explain the use of thermistor as a temperature sensing device Explain the science behind the flow of liquid through capillaries 07 Elaborate on the concept of paramagnetism 08 8 marks
22. Q3 D_ Elaborate on the concept of surface energy describe horizontal paper electrophoresis. 08 various matrices used in gel electrophoresis. 07 7 marks
23. Q4 C Describe the factors affecting electrophoretic mobility. 8 marks
24. Q4 D_ Explain in detail about 2-D gel electrophoresis. 7 marks
25. Q5 Short notes on any three of the following 15 marks
    • a. Monochromators
    • b. Doppler effect
    • d. Migration of an ion in an electric field Properties of carrier ampholytes

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