BSc Biotechnology Sem IV ATKT 2018-19 ATKT 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 2,Q 3 and Q 4 attempt A and B OR C and D
4. Q1 Attempt Multiple Choice Questions (Any fifteen) 15 marks
5. Q1 Ratio of weight of the largest particle to weight of the sample is
   • a) Size to weight b) Weight to weight
   • c) Volume to volume d) Volume to weight
6. Q2 Reduced distillation method is also known as distillation
   • a) Fractional b) Azeotropic c) Vacuum d) None of these
7. Q3 The total sample obtained by mixing all the increments is known as
8. Q4 Full form of RCF is
9. Q5 Fraction of distribution ratio of two solutes is called factor
   • a) Sedimentation — b) Separation. d)
10. Q6 The vapor pressure of a liquid is measure of its
11. Q7 Sample thief is used for sampling of
    • a) Liquids b) Gases c) solids d) Both a and b
12. Q8 What is cocaine?
    • a) Glycosides b) Esters c) Amide d) Salts of organic acid
13. Q9 Which of these is a fat soluble vitamin? Ozonolysis of terpernoids leads to generation of How are HPTLC plates visualized?
14. Q12 Which of the following is a mobile phase in GC?
15. Q13 of the following is a terpenoid?
16. Q14 Which of the following is a primary metabolite? ED29AE1247B4DC6F8A832BE3E8607E48
17. Q15 Which of the following is/are colloids?
    • a) Milk b) Foam c) Gel d) All of these
18. Q16 Micelle formation will require
    • a) organic liquid b) water c) all of these
19. Q17 The nanoscale structure synthesis from assembly of atoms or molecules is known as approach
    • a) Bottom-up b) Top-Down c) Etching process d) all of these
20. Q18 refers to the collective oscillation of conduction electrons upon excitation with incident light of a specific wavelength
21. Q19 The monomeric unit of Nylon 6 is
22. Q20 Polycarbonate is used in
    • a) Helmets b) Lens c) Bullet Proof Glass d) All of these
    • (i) Discuss the general procedure for sampling of gases. 04
    • (ii) Explain the principle of liquid- liquid extraction. 04
23. Q2 B Distillation is a separation method based on volatile nature of molecules. 7 marks
24. Q2 C (i) Explain sampling of heterogeneous liquid. Discuss the theory of centrifugation. 04 Define distribution ratio. Explain the extraction of metals by chelation with 07 the help of examples 4 marks
25. Q3 What are Phenolics? How are they classified? 8 marks
26. Q3 B is the principle of gas chromatography? Explain the classification of natural products on the basis of bio-synthesis 08 What are essential What are their sources? 07 ED29AE1247B4DC6F8A832BE3E8607E48 7 marks
27. Q4 A_ Describe any two physical methods for synthesis of Nanomaterials. Write a note on preparation, properties and uses of the following polymers: 8 marks
28. Q4 D_ Give classification of polymers. 7 marks
29. Q5 Write Short notes on any three of the following 15 marks
    • a. Applications of nanotechnology
    • d. Filtration
    • e. Applications of HPTLC ED29AE1247B4DC6F8A832BE3E8607E48

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