Kerala PSC Previous Years Question Paper & Answer
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Below are the scanned copy of Kerala Public Service Commission (KPSC) Question Paper with answer keys of Exam Name 'ENVIRONMENTAL SCIENTIST ENVIRONMENT AND CLIMATE CHNAGE DEPARTMENT' And exam conducted in the year 2017. And Question paper code was '029/2017/OL'. Medium of question paper was in Malayalam or English . Booklet Alphacode was 'A'. Answer keys are given at the bottom, but we suggest you to try answering the questions yourself and compare the key along wih to check your performance. Because we would like you to do and practice by yourself.
Question95:-Microbial conversion of an insoluble metal into a soluble form
leaching
B:-Biodegradation
C:-Co-metabolism
D:-Biosorption
Correct Answer:- Option-A
Question96:-Which of the following microorganisms leach metals out of rock ores 7
A:-Pseudomonas aeruginosa
B:-Thiobacillus 50.
C:-Pseudomonas putida
D:-Bacillus megaterium
Correct Answer:- Option-B
Question97:-Which of the following can be used for the removal of colour from the effluents of pulp mil 7
A:-Coriolus versicolor
B:-Phenerochaete chrysosporium
C:-Nitrosomonas europaen
D:-Both 1 and 2
Correct Answer:- Option-D
Question98:-Addition of nutrients for enhancing bioremediation is called
A:-Bicaugmentation
B:-Biostimulation
C:-Bioreaction
D:-Bioleaching
Correct Answer:- Option-B
Question99:-In waste water treatment method, the activated sludge processis a
A:-pre-treatment method
B:-primary treatment method
C:-secondary treatment method
D:-tertiary treatment method
Correct Answer:- Option-C
Question100:-Green chemistry aims to 7
e non-renewable energy
B:-Design chemical products and processes that work most efficiently
C:-Design chemical products and process that maximize profits
D:-Design safer chemical products and processes that reduce or eliminate the use and generation of hazardous
substances
Correct Answer:- Option-D