BSc Biotechnology Sem VI 2018 19 May 2018-19 BIOTECH BIOTECHNOLOGY PAPER I CELL BIOLOGY MEDICAL BIOTECH & BIOSTAT 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. Q1 a. Define the following: (any three) 3 marks
4. Q1 Effector
5. Q2 Nuclear receptors
6. Q6 DAG
7. Q1 b. Give an account of: (any two) 12 marks
8. Q1 Endocrine signalling in comparison with synaptic signalling
9. Q2 Role of Nitric Oxide as a signalling molecule
10. Q3 Mechanism of RTK functioning
11. Q4 The response of different cells to acetylcholine with the help of a suitable Name the following: (any three) 03
12. Q1 Cells that have a high level of mitotic activity
13. Q2 Ability of a cancerous cell to form secondary tumours
14. Q3 The death of by injury
15. Q4 A gene that limits the formation of tumour
16. Q5 Process where clusters of cancer cells dislodge from a tumor and invade the blood vessels
17. Q6 Mitotic phase in which the chromosome move to the opposite ends of the Explain the following: (any two) 12
18. Q1 What is MPF? Explain its role in regulation of cell cycle
19. Q2 What are Caspases? Explain their functioning with respect to their targets
20. Q3 Malignant tumours and their classification
21. Q4 Give the mechanism of receptor mediated pathway of apoptosis instructed: (any three) 03 1S Give one example of a synthetic drug
22. Q2 Fill in the blank - are Gram negative bacteria devoid of
23. Q3 State true false — During antibiotic treatment, patient’s normal flora are also getting exposed to the effects of the antibiotic
24. Q4 Explain the term selective toxicity
25. Q5 Name a genetic element other than the plasmids on which antibiotic resistant genes are located
26. Q6 State an example of antiviral drug used in treatment of Herpes infection
27. Q3 b. Elaborate on the following questions:(any two) 12 marks
28. Q1 | Mechanism of drug resistance with examples
29. Q2 of action of cephalosporins
30. Q3 design of an antimicrobial agent
31. Q4 of action of aminoglycosides with example
32. Q4 a. Doas directed: (any three) 3 marks
33. Q1 Calculate degree of freedom for a series if number of observations is 10 marks
34. Q2 are the two types of t- test?
35. Q3 State true or false: Z test is used to test significant difference between the means for sample size more than 30
36. Q4 If Variance is 16 what will the standard deviation
37. Q5 in the blank: Chi-square value skewed (positively,
38. Q6 What is Null hypothesis?
39. Q4 b. Attempt the following questions: (any two) 12 marks
40. Q1 Perform regression to estimate x when y = 2.5 from the following table:
41. Q2 Solve: Mr. Macdonald immunized the his farm for cattle foot disease. Following results were obtained. Comment on the effectiveness of the immunization programme. 0.05, 1= 3.84)
42. Q3 How would you represent your project data using frequency distribution diagrams and graphs? Explain any two of them
43. Q4 Explain with suitable example arithmetic mean, median and mode
44. Q5 Write short notes on: (any three) 15 marks
    • a. Types of extracellular messengers
    • b. Role of Arrestins in desensitization
    • c. Significance of apoptosis
    • d. Types of correlation
    • e. Bacitracin — mode of action
    • f. Use and misuse of antimicrobial agents

Read from the scan above, so a character or two may differ. The scan is the original.