BSc Biotechnology Sem III 2022 2023 Oct 2023 BIOTCHNOLOGY BIOPHYSICS 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 tabies and non-p rogrammable calculators is allowed
3. Q5 and Q 4 A and B OR C and D Do as directed (Any fifteen) 15
4. Q1 What is wavelength ? Define the term ‘Interference’
5. Q3 What is ‘ 4, Explain the term Stoke’s shift
6. Q5 State Beer’s Law
7. Q6 What is the role of pumping agent in a laser?
8. Q7 List any two chemical compounds used in specimen preparation of electron
9. Q8 Enlist any two modes of heat transfer The unit for measuring frequency of The dip of the earth’s magnetic field is measured with a
10. Q11 The SI unit of viscosity is
11. Q12 Explain the term: Terminal velocity
12. Q13 What is the diameter of the wire in the platinum resistance thermometer?
13. Q14 waves of the electromagnetic spectrum have the longest 15, The speed of migration of ions in the electric field depends upon?
14. Q16 The polymerization of the gel used in PAGE occurs between polyacrylamide
15. Q17 Sodium dodecyl sulphate (SDS) is The pH of stacking gel in SDS
16. Q19 What is the function of glycerol?
17. Q20 In electrophoresis, DNA will migrate towards
18. Q2 A_ Explain working prirciple and construction of SEM 8 marks
19. Q2 B_ Explain Single beam spectrophotometer with diagram. Explain the principle of fluorescent microscope with an application. 08 7 marks
20. Q2 D_ Explain dual beam spectrophotometer. 7 marks
21. Q3 A_ Explain the various uses of the Doppler effect. the principle, construction, working and use of an Ostwald 07 8 marks
22. Q3 C_ Explain the principle behind the construction and working of a platinum 8 marks
23. Q3 D_ Explain the different types of magnetism observed in nature. 7 marks
24. Q4 A_ Explain the steps involved in Agarose Gel Electrophoresis 8 marks
25. Q4 B_ Give Applications, advantages and disadvantages of AGE Explain the steps involved in PAGE 08 7 marks
26. Q4 D_ Give Applications, advantages and disadvantages of PAGE 07 short note on any three of the following 15 a Components of a laser e Principle of Electrophoresis

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