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 Scientist in Kerala State Pollution Control Board' And exam conducted in the year 2023. And Question paper code was '096/2023'. 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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096/23
Find out true statement from the following.
A) Oligosaccharides are condensation products of more than ten monosaccharides.
B) Inulin is a fructose polymer.
C) Galactose is the precursor for synthesis of ribose.
D) Heptose is a polysaccharide.
Identify the bacterium chiefly responsible for the leaching of metal sulphides.
A) Thiobacillus methylotrophus B) Thiobacillus notatum
C) Thiobacillus ferroxidans D) Thiobacillus chrysogenum
Eutrophication in aquatic system is due to the release of
A) Nitrate and phosphate B) Nitrate and sodium
C) Phosphate only D) None of these
Insitu bioremediation means
A) The use of natural plants for environmental clean up
B) The removal of oil contaminants naturally from the soil by adding enough
nutrients to the soil
C) The piling and maintenance of oil sludge on a flat land to degrade oil waste by
microbes existing in the sludge
D) None of these
From the following identify the disease caused due to eating of infected canned or
smoked food.
A) Tetanus B) Syphilis C) Botulism D) Diphtheria
has developed a system of classifying protected areas that ranges
from minimal to intensive use of the habitat by humans, with six categories.
A) ENVIS B) CITES C) IUCN D) WWF
Which among the following statements is related to lipids are correct ?
A) Lipids are soluble in acetone
B) On alkaline hydrolysis lipids yields alcohol and amino acids
C) Lipids are not esters
D) Lipids triolein contains fatty acids and palmetic acid
Which is the first chlorinated organic insecticide came into wide commercial use,
during Second World War ?
A) Endosulphan B) Furadan C) Carbofuran D) DDT
Read the following statements.
i. Water functions as a base in reaction with acids.
ர். Water functions as an acid in reaction with acids.
iii. Water is a very weak electrolyte.
iv. Water is a strong electrolyte and therefore a good conductor.
Which of the above statement/s is/are correct ?
A) Only iis correct B) Both i and iii are correct
C) Only iv is correct D) i and iv are correct