081/2022 | Laboratory Assistant (Dairy/ CFP) - Answer Key [Provisional]

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PROVISIONAL ANSWER KEY
Question Code: 081/2022
Medium of Question: English
Name of Post: Laboratory Assistant (Dairy/ CFP)
Department: Kerala Co-operative Milk Marketing Federation Ltd
Cat.Number: 402/2021
Date of Test: 12.08.2022

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0:00 Introduction
0:53 Colligative property of a solution is proportional to Easy PSC A Volume of the solution
1:10 In Ag-Cu cell oxidation occurs at A Electrolyte C Zn electrode
1:20 The elastic scattering of photons are called Easy PSC A Raman scattering
1:42 For measuring chemical shiftin NMR spectroscopy the chemical com Easy PSC used as reference is
2:55 Ammonium molybdate reagent is used for identifying A manganese C calcium
3:03 The color of mik is a blend of individual effects produced by colloidal casein particles and A methyl red C carotene
4:17 Identify the subunits in the heteropolysaccharide Keratin Easy PSC A D-glucuronic acid and N-acetyl galactosamine-4-sulphate
4:33 The positions of double bond in linolenic acid are A 1 and 9 C 9, 12 and 15
5:00 The disease caused due to the deficiency of phytanic acid ce-oxidase is A SIDS C Zellweger syndrome 36. Which among the following amino acids do not undergo transamin Easy PSC A Lysine and threonine
5:08 The disease caused due to the deficiency of phytanic acid c-oxidase is A SIDS C Zellweger syndrome 38. Which among the following amino acids do not undergo transamination reaction? A Lysine and threonine C Threonine and glutamato D Aspartate and glutamate 37. The normal serum calcium concentration is
5:15 Cyclopentano perhydro phenanthrene nucleus is the basic structural unit in which biomolecule ? A Glycolipids
5:31 The mineral oxide content in a food sample can be determined by measuring the A Nitrogen content C Protein content 40. Which among the following is the range of the meting point of mik Easy PSC
5:47 The groups located on the surface of an antigen molecules which are recognized the antibody is A Isotope
6:21 45. Blocking agent is used in westem blotting. Identify the purpose. A Blocks the transfer of protein from gel to membrane B Blocks the binding of antibody to the membrane C Blocks the binding of primary and secondary antibody
6:29 Which among the following technique makes use of immunofluorescence A Confocal microscopy C ELISA
7:21 Bacterial conjugation was described by A Zinder and Lidenberg C Tatum and Zinder
7:29 Which of these are basic dyes? A Methylene blue, Crystal violet B Methylene blue, Rose benge C Crystal violet, Rose bengal
7:36 Mesosomes are present in A Only gram negative B Only gram positive C Both gram positive and negative bacteria D None of the above
7:44 Bacterial membrane contains sterol like molecules called hapnoids. H A Penta cyclic sterols C Heplacyclic sterols
7:52 Fixative comium tetroxide is used to stabilize A Protein C Cell structure
9:14 Which of the statements is correct regarding algal toxins ? A Commonly found in fish and marine animals B Algal toxins are neurotoxic C Algal toxins are temperature stable D All of the above 66. Ultra high temperature pasteurisation process involves
9:24 Ultra high temperature pasteurisation process involves B 141
10:09 Xerophilic organisms preferred to grow at A High aw condition C High osmotic concentration D All of the above 72. Dairy product of mold lactic fermentation is
10:31 Coumarins is a natural antimicrobial agent found in A Buffalo milk
11:08 Cytosine is A 2-amino-6-axy pyrimidine B 2,4-dioxy-5-methylpyrimidine C 2,4-dioxy-6-carboxy pyrimidine D 2-oxy-4-amino pyrimidine
11:14 Which is the least conserved histone ? A H4
11:59 Patent Act Amendment in 2021 refers to A Introduction of product patent protection for pharmaceuticals B Reduction of fee for patent filing and prosecution for educational institution C Modification of criteria for patenting an invention D All of these
12:07 The following biocontrol agent is commonly used in controlling Phytophthora infections in plants A Trichoderma C Parasitoides
12:25 Meat tenderization is often enhanced by A Papain C Both A and B
12:55 Asymmetric PCR differs from regular PCR in A The amount of primer used B DNA polymerase enzyme C Denaturation temperature
13:10 Recombinant DNA technology was invented by A Bayer, Cohen and Paul Berg B Nathan, Arber and Smith