BSc Biotechnology Sem IV 2018 19 Apr 2018-19 BIOTECH APPLIED CHEMISTRY II 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 For Q 3 and Q 4 attempt A and B OR C and D
4. Q1 Do as directed (Any fifteen) 15 marks
5. Q1 sampling requires minimum knowledge of bulk material
6. Q2 Which of the following affects the procedure of sampling?
   • a) Size of sample b) Cost of sampling c) Location of sample
7. Q3 Partition coefficient and distribution ratio will be
   • a) always equal
   • b) always different
   • c) equal if molecular condition is same
   • d) equal when molecular condition is different
8. Q4 High boiling point liquids are separated using
9. Q5 Liquid-liquid extraction is also known as
10. Q6 Solubility with increase in temperature
    • a) increases b) decreases c) remains the same
11. Q7 Centrifugation is used for separation of solid from
12. Q8 Which of the following is a primary metabolite? Cholesterol is an example of
13. Q10 Isoprenes are the basic unit of
14. Q11 What does TLC stand for?
15. Q12 Which of the following is not a fully automated procedure?
16. Q13 Essential oils are mostly derived from
17. Q14 Which of the following is an example of a polymer?
18. Q15 Which of the following is a heat stable polymer?
19. Q16 Which of the following is an addition polymer?
20. Q17 Which of these is a physical method of nanoparticle synthesis?
21. Q18 Which of the following can be used to make nanotubes?
22. Q19 Nanoparticles made by chemical synthesis produce what type of
23. Q20 Which of the following microscopes is used for characterization of
24. Q2 A Explain the importance of sampling and sampling techniques. Describe the process of distillation as a separation technique. 07 Give the basic principles of sedimentation. 08 solvent extraction? Explain in brief. 07 Explain the classification of natural products based on biosynthesis. 08 What is HPTLC? Give its applications in analysis of natural products. 07 Give the steps of structure determination of natural products. 08 What are phenolics? Give their significance and uses. 07 8 marks
25. Q4 What are the different types of polymers? Explain with examples. 8 marks
26. Q4 B and contrast between addition and condensation polymers giving 7 marks
27. Q4 C_ Explain the different methods of synthesis of nanomaterials. 8 marks
28. Q4 D_ What are nanoparticles? Explain their properties. 7 marks
29. Q5 Write Short notes on any three of the following 15 marks
    • b. Secondary metabolites
    • c. Alkaloids
    • d. Thermoplastics

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