Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 3rd Sem New 3131302 Environmental Microbiology And Bioremediation Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 3131302 Date: 26/11/2019
Subject Name: Environmental Microbiology & Bioremediation
Time: 02:30 PM TO 05:00 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) Give the classification of bacteria. 03
(b) Write a short note on Whittaker five kingdom classification. 04
(c) Explain the role of microbes in human life and in environment.
07
Q.2 (a) Differentiate between Animal Cell & Plant Cell. 03
(b) Give different stages of bacterial growth Curve and explain about each
stage.
04
(c) Explain the complete procedure to perform MPN test for water. 07
OR
(c) Briefly explain the SPC test of milk using serial dilution techniques. 07
Q.3 (a) Give the classification of Microscopes. 03
(b) Explain the working of electron microscope with neat sketch. 04
(c) Enlist the diseases caused by protozoa and explain the symptoms,
treatment and prevention of any one in detail.
07
OR
Q.3 (a) Describe the working principle of Transmission Electron Microscopy. 03
(b) Differentiate between Light Microscope & Electron Microscope. 04
(c) Explain the procedure for production of Lactic Acid. 07
Q.4 (a) Differentiate between Disinfection & Sterilization. 03
(b) Compare Gram Positive bacteria with Gram Negative bacteria. 04
(c) Enlist and explain physical agents for control of Microbes. 07
OR
Q.4 (a) Differentiate between Pasteurization & Lyophilization. 03
(b) List out the different staining techniques and explain gram staining in
detail.
04
(c) Write a short not on Chemical agents for the control of microbes. 07
Q.5 (a) List out the various cultural methods. 03
(b) Differentiate between biodegradation and bioremediation. 04
(c) Discuss the advantages and disadvantages of In-situ Bioremediation. 07
OR
Q.5 (a) Describe a list of different techniques used for preservation of pure
culture.
03
(b) Differentiate between In-situ Bioremediation and Ex-situ
Bioremediation
04
(c) Write a short note on Phytoremediation. 07
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This post was last modified on 20 February 2020