Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2017 Winter 3rd Sem Old 131302 Environmental Microbiology Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?III (OLD) EXAMINATION ? WINTER 2017
Subject Code:131302 Date:21/11/2017
Subject Name: Environmental Microbiology
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.
Q.1 (a) Differentiate between Prokaryotes and Eukaryotes.
07
(b) Highlight the importance of microbiology in field of environmental
Engineering.
07
Q.2 (a) Enlist and explain the different types of media used in microbiology.
07
(b) Differentiate between Dry heat sterilization and moist heat sterilization 07
OR
(b) Write a brief note on History of microbiology. 07
Q.3 (a) Draw a neat and labeled diagram of bacterial cell and enlist & explain the
Internal and external parts.
07
(b) Write down the procedure for ?Gram staining?. 07
OR
Q.3 (a) Write down the procedure to estimate the standard plate count of milk using
serial dilution technique.
07
(b) Enlist the diseases caused by bacteria and explain the symptoms, treatment
and prevention of any One in detail.
07
Q.4 (a) Write a procedure for production of amino using microbes. 07
(b) Write short notes on following chemical agents as a disinfectant
(I) Phenolic compounds (II)Chlorine compounds
07
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Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ?III (OLD) EXAMINATION ? WINTER 2017
Subject Code:131302 Date:21/11/2017
Subject Name: Environmental Microbiology
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.
Q.1 (a) Differentiate between Prokaryotes and Eukaryotes.
07
(b) Highlight the importance of microbiology in field of environmental
Engineering.
07
Q.2 (a) Enlist and explain the different types of media used in microbiology.
07
(b) Differentiate between Dry heat sterilization and moist heat sterilization 07
OR
(b) Write a brief note on History of microbiology. 07
Q.3 (a) Draw a neat and labeled diagram of bacterial cell and enlist & explain the
Internal and external parts.
07
(b) Write down the procedure for ?Gram staining?. 07
OR
Q.3 (a) Write down the procedure to estimate the standard plate count of milk using
serial dilution technique.
07
(b) Enlist the diseases caused by bacteria and explain the symptoms, treatment
and prevention of any One in detail.
07
Q.4 (a) Write a procedure for production of amino using microbes. 07
(b) Write short notes on following chemical agents as a disinfectant
(I) Phenolic compounds (II)Chlorine compounds
07
2
OR
Q.4 (a) Give the classification of fungi and explain any one in detail with sketch.
07
(b) Enlist and explain the methods of isolation of pure culture. 07
Q.5 (a) With the help of a neat sketch, explain the stages of typical bacterial growth
Curve.
07
(b) What is the role of algae in environment? Explain its beneficial and harmful
effects.
07
OR
Q.5 (a) Give the classification of protozoa and explain any one type in detail.
07
(b) Give the classification of viruses with respect to their shape and types. Also
enlist the typical diseases caused by virus.
07
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This post was last modified on 20 February 2020