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THIRD SEMESTER (CBCSS—UG) DEGREE EXAMINATION
NOVEMBER 2020

Microbiology
MBG 3B 03—ENVIRONMENTAL AND SANITATION Microbiology

Time : Two Hours and a Half Maximum : 80 Marks

Wherever needed answers must be supported by structural illustration and diagrams.
Section A (Short Answer Type Questions)

Answer at least ten questions.

Each question carries 3 marks.

All questions can be attended.
Overall Ceiling 30.

1. Droplet nuclei.

2 Gravity slide.

3 Impingers.

4 Air-borne viral infections.

5 Estuarine.

6 Single dwelling water supply.
7 Eutrophication.
8 Indicator organisms.
9 Types of solid wastes.
10 Anaerobic digester.
11 Methanogenesis.
12 Biomagnification.
13 Recalcitrant.
14 Pseudomonas putida.
15 Bioleaching.
(10 x 3 = 30 marks)

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