Enrolment No.
GUJARAT TECHNOLOGICAL UNIVERSITY
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BE - SEMESTER-III (NEW) EXAMINATION —- SUMMER 2019Subject Code: 2131302
Subject Name: Environmental Microbiology & Bioremediation
Time: 02:30 PM TO 05:00 PM
Total Marks: 70
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Instructions:- Attempt all questions.
- Make suitable assumptions wherever necessary.
- Figures to the right indicate full marks.
Q.1 | (a) Conceptualize the role of microbes in human life and Environment. | 03 |
(b) State the difference between Prokaryotic Cell & Eukaryotic Cell. | 04 | |
(c) Draw and explain different parts of plant cell. | 07 | |
Q.2 | (a) Explain: (1) Numerical Aperture (ii) Disinfection (ii1)) Decomposer | 03 |
(b) Draw the Bacterial Growth Curve and explain about each stage. | 04 | |
(c) Explain the SPC test of milk using serial dilution techniques. | 07 | |
OR | ||
(c) Explain the complete procedure to perform MPN test for water. | 07 | |
Q.3 | (a) Give the difference between In-Situ & Ex-Situ Bioremediation. | 03 |
(b) List out the different techniques used for the preservation of pure culture and explain cryopreservation. | 04 | |
(c) Write a short not on Chemical agents for the control of microbes. | 07 | |
OR | ||
(a) List out various culture methods used in microbiology. | 03 | |
(b) Give the advantages and disadvantages of Bioremediation. | 04 | |
(c) Write a short not on Physical agents for the control of microbes. | 07 | |
Q.4 | (a) Differentiate between Stain and Dye. | 03 |
(b) State the classification of Microscopes. | 04 | |
(c) Explain the procedure fot production of Vinegar. | 07 | |
OR | ||
(a) What do you mean by Bioremediation? | 03 | |
(b) Differentiate between: Light Microscope & Electron Microscope. | 04 | |
(c) Explain the procedure for production of Lactic Acid. | 07 | |
Q.5 | (a) Give the classification of fungi. | 03 |
(b) Describe gram staining in detail. | 04 | |
(c) Enlist the diseases caused by protozoa and explain the symptoms, treatment and prevention of any one disease. | 07 | |
OR | ||
(a) Give the classification of bacteria. | 03 | |
(b) Differentiate between Pasteurization & Sterilization. | 04 | |
(c) List out the diseases caused by bacteria and explain the symptoms, treatment and prevention of any one disease | 07 |
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