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 'ASSISTANT ENVIRONMENTAL OFFICER ENVIRONMENT AND CLIMATE CHANGE' And exam conducted in the year 2015. And Question paper code was '203/2015'. 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.
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Which of the following is act as natural sources of methane ?
() Buffallo (8 Biogas plants (i) Wetlands (प्ण) {v) landfills
Choose the correct code >
(ಗಿ) All are correct (B) (i), (1), (11) ೫೫೮ correct
(त) ற லப and (iv) are correct (12) (i), (iii) and (iv) are correct
What volume of 12 m HCl is required to prepare 750 mL of 3 m HCl solution ?
(५) 450 mL (B) 190 mL (ಲ) 26 ೫. (D) 440 ೫೭
The members of BTEX group are :
{A) Bromide, Thalum, Ethylbenzene and Xenon
18) Benzene, Toluene, Ethylbenzene and Xylene
(C) Benzene, Thorium, Ethvlacetate and Xylene
(D) Benzene, Toluene, Ethylchloride, Xenon
Phycoremediation is the process of :
(A) Waste water treatment using emergent plants
(8) Waste water treatment using algae
(C) Waste waler treatment using GM bacteria
(D) Waste waler treatment using fungus
China clay zone in Kerala is :
(A) between Aluva and Chavakkad
(8) between Aluva and Munnar
(C) between Thiruvananthapuram and Kundara
(D} உண்க Thrissur and Walayar
The maximum limit of noise in the commercial area during day time as per CPCB
guidelines :
(A) 45dB(A)Lleq (B) 75dB(A)Leq (€) 65dB(A)Leq (D) 80dB (A)Leg
The total mass of water on planet earth is 7
(A) 1.5x10'8 tonnes (8) 2.2x10" tonnes
(೮) 1.2x107 tonnes (D) 24.2%10'8 tonnes
2032005 4 A
