Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Winter 3rd Sem New 2131302 Environmental Microbiology And Bioremediation Previous Question Paper
Seat No.: ________ Enrolment No.___________
GUJARAT TECHNOLOGICAL UNIVERSITY
BE - SEMESTER ? III (New) EXAMINATION ? WINTER 2019
Subject Code: 2131302 Date: 30/11/2019
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) Explain the importance of microbiology in the field of environmental
engineering.
03
(b) Name the staining techniques used in microbiology. Explain gram
staining in detail.
04
(c) Differentiate between: Prokaryotic Cell & Eukaryotic Cell. 07
Q.2 (a) Give the classification of various types of culture media. 03
(b) Draw the Bacterial Growth Curve and explain about each stage. 04
(c) Write a short not on Physical agents for the control of microbes. 07
OR
(c) Write a short not on Chemical agents for the control of microbes. 07
Q.3 (a) Give the classification of fungi. 03
(b) Explain different parts of bacterial cell. 04
(c) Prepare a list of water borne disease & Explain any one with its causes,
symptoms & preventive measures.
07
OR
Q.3 (a) Give the classification of bacteria. 03
(b) Differentiate between Plant Cell and Animal Cell. 04
(c) Write a note on disease Malaria highlighting the causes, symptoms, treatment
& prevention.
07
Q.4 (a) Give the advantages and disadvantages of Bioremediation. 03
(b) List out the diff. techniques used for the preservation of pure culture and
explain Lyophilization.
04
(c) Explain the SPC test of milk using serial dilution techniques. 07
OR
Q.4 (a) Give the difference between In-Situ & Ex-Situ Bioremediation. 03
(b) List out various culture methods used in microbiology and explain the streak
plate method.
04
(c) Explain the complete procedure to perform MPN test for water. 07
Q.5 (a) Explain: (i) Decomposer (ii) Resolving Power (iii) Sterilization 03
(b) Give the classification of Microscopes. 04
(c) Explain the procedure for production of Lactic Acid. 07
OR
Q.5 (a) Explain: (i) Pure Culture (ii) Numerical Aparture (iii) Pasteurization 03
(b) Differentiate between: Light Microscope & Electron Microscope. 04
(c) Explain the procedure for production of Vinegar. 07
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This post was last modified on 20 February 2020