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 'TECHNICAL ASSISTANT GR II GOVERNMENT ANALYSTS LABORATORY FOOD SAFETY DEPT QUESTION PAPER' And exam conducted in the year 2017. And Question paper code was '006/2017'. 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.
61. Which of the following element is monoisotopic ?
(ಹ) സനം (B) Neon
(ಲ) Oxygen (D) Helium
62. Which of the following observation was correct by J.J Balmer regarding visible hydrogen
spectrum ?
(A) A redline with a wavelength of 6563 A
ربق A redline with a wavelength of 3563 A
(C) A blue line with a wavelength of 6563 A
(D) A blue line with a wavelength of 3563 A
63. The isotope with maximum binding energy per nucleon is
(ക 9%Fe (8) 5௯
(0) ا5 (D) 5۰ا5
64, The IR spectrum of a compound identifies
(ಹ) the presence of resonating structures
(B) the presence of certain functional groups
(C) the presence of isotopes of elements
(D) All the above
65. The Bohr radii of the fourth orbit of hydrogen atom in centimetre is
(8) 8.46 >< 108 (8) 4.46 18
© 13.2 < 1028 (0) 6.26 > 108
66. A solubility curve is obtained by plotting solubility of the substance against
(A) Molecular mass (B) Temperature
(C) Weight of water in grams (D) None of these
67. A catalyst will increase the rate of the reaction by
(ಹ) shifting the equilibrium to the left
(B) increasing the activation energy
(€) shifting the equilibrium to the product side
(D) decreasing the activation energy
68. കാണ of nuclei having same number of protons and neutrons but different half lives are called
(ക) Nuclear isotones (B) Nuclear isomers
(ಲ) Nuclear pairs (D) None of these
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