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D 12036 (Pages : 2) 71877೮1138 ........... casesasses

THIRD SEMESTER (CBCSS-UG) DEGREE EXAMINATION, NOVEMBER 2021
Microbiology
MBG 88 03—ENVIRONMENTAL AND SANITATION MICROBIOLOGY
(2019—2020 Admissions)

Time : Two Hours and a Half Maximum : 80 Marks
Section A

Answer atleast ten questions.

Each question carries 3 marks.

All questions can be attended.
Overall ceiling 30.

Aerosol.

Anderson sampler.
Impingers.

Air-borne bacterial infections.

Limnetic zone.

22 = 22) 7

Municipal water supply.
7. Eutrophication.
8. Coliforms.
9. BOD.
10. Composting.
11. Methanogenesis.
12. Petroleum hydrocarbons.
13. Recalcitrant.
14. Composition of biogas.
15. Copper leaching.

(10 x 3 = 30 marks)

Turn over

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