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 'CHEMICAL ASSISTANT GROUND WATER DEPARTMENT' And exam conducted in the year 2019. And Question paper code was '022/2019'. 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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Average chlorine content in plant tissue.
(ಹ) 0.1% (8) 20 mg/kg (ಲ) 0.1 mg/kg (D) 100 mg/kg
Smectite group consists of the following mineral/minerals :
(ಹಿ) Montmorillonite (B) Beidellite (ಲ) Nontronite (D) All the above
White alkali soils have :
(^) एत > 8.5 08) Neutral soluble salts
(©) EC<40dS/m (D) ESP > 15% of CEC
Which one of the following is an easily weathered mineral :
(മ) Feldspar (8) Quartz (ಲ) Muscovite (D) Olivine
The dominant mineral in shale is :
(ಹ) Clay (8) Quartz (9) Calcite (D) Feldspar
The net effect of adding organic matter to acidic soils is generally an :
(5) Increase or decrease in pH (8) Decrease in pH
) Increase in pH (D) None of the above
Ammonium polyphosphate contain % ಶಲ್ಯ.
(ಸ) 48 ೫ 60
(ಲ) 28 (D) None of the above
The contribution of organic matter of CEC is greatest for soils having :
(ಹಿ) High complexation of aluminium and iron
(B) Minerals with high charge density
(ಲ) Low clay content
(D) None of the above
Approximate half life of 2,4-D in soil is :
(A) One month (3) One year (9) Six months (D) Fivedays
Strontium-90 behaves in soil much the same as :
(മ) Potassium (B) Calcium (C) Magnesium (D) ष्णा
Ammonium ion moves through the plasma membrane primarily by :
(ಹಿ) Active transport (B) Mass flow (ಲ) Diffusion (D) All the above
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