Download GTU BE/B.Tech 2019 Winter 5th Sem New 2153605 Microbiology And Formulation Technology Of Liquids And Topicals Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 5th Sem New 2153605 Microbiology And Formulation Technology Of Liquids And Topicals Previous Question Paper

1
Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ? V (New) EXAMINATION ? WINTER 2019
Subject Code: 2153605 Date: 29/11/2019

Subject Name: Microbiology & Formulation Technology of Liquids &
Topicals
Time: 10:30 AM TO 01:00 PM Total Marks: 70

Instructions:
1. Attempt all questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.


MARKS

Q.1 (a) What are the ideal properties and advantages of suspensions ? 03
(b) Explain the concept of allergy 04
(c) Define ointment. Describe in detail how ointments are made. 07
Q.2 (a) Define taxonomy 03
(b) Write a note on emulsion instabilities 04
(c) Mention the principle behind the sterility testing. Explain the sterility
test methods in detail
07
OR
(c) Explain Culture Preservation in detail 07
Q.3 (a) Explain the morphology of Virus 03
(b) Explain: Scanning and Tanning Electron Microscope 04
(c) Describe gram staining method in detail 07
OR
Q.3 (a) Explain: Capsule & Slime Layer 03
(b) Explain the steps involved in the virus replication 04
(c) Define Antigen & Antibodies. Discuss the structure of Antigen briefly
indicating epitopes and their role. Also discuss the structure of an
antibody with the help of schematic and describe its various parts
07
Q.4 (a) Classify emulsions in detail 03
(b) Write a note on Emulsion formulation components 04
(c) What are the formulation components of the syrup, write in brief 07
OR
Q.4 (a) Define Emulsions and Suspensions 03
(b) Write a note on syrup 04
(c) Explain in detail tests to identify emulsion type 07
Q.5 (a) Explain (1). Magnification, (2). Resolution (3). Numerical Aperture 03
(b) Differentiate between: anionic and cationic stain, basic and acidic stain 04
(c) List out any five methods of measuring microbial growth. Discuss the
serial dilution method in detail with the help of figures
07
OR

Q.5 (a) Write Differences between Wet mount and Hanging Drop Technique 03
(b) Write short note: Radioimmunoassay(RIA) 04
(c) Which are the different methods of maintaining and preserving pure
cultures. Explain each method briefly
07

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