Download GTU BE/B.Tech 2019 Summer 3rd Sem New 2131302 Environmental Microbiology And Bioremediation Question Paper

Download GTU (Gujarat Technological University) BE/BTech (Bachelor of Engineering / Bachelor of Technology) 2019 Summer 3rd Sem New 2131302 Environmental Microbiology And Bioremediation Previous Question Paper

Seat No.: ________ Enrolment No.___________

GUJARAT TECHNOLOGICAL UNIVERSITY

BE - SEMESTER ?III (NEW) EXAMINATION ? SUMMER 2019
Subject Code: 2131302 Date: 07/06/2019

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) 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: (i) Numerical Aperture (ii) Disinfection (iii) 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
Q.3 (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 for production of Vinegar. 07
OR
Q.4 (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
Q.5 (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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