Technical Assistant Gr.II (Govt.Analysts Laboratory) Food Safety Department 105/2017 Answer key 06/2018

Post: Technical Assistant Gr.II (Govt.Analysts Laboratory
Department: Food Safety Department
Category Code: 105/17
Qualification: Diploma in Food Technology; Degree in Chemistry
Question Paper: 06/2018
Date of Test: 11-01-2018

1. Collagen is rich in following amino acids -
   • Lysine, Elastin, Glycine
   • Glycine, Proline, Hydroxyproline
   • Cysteine, Methionine, Proline
   • Leucine, Valine, Hydroxyproline
   
   
2. Hydro-thermal treatment of cereal starches is associated with following
   • Germination
   • Gelatinization
   • Dextrinization
   • Retrogradation
   
   
3. Identify the pigment present in beetroot.
   • Anthocyanins
   • Lycopene
   • Betalain
   • Carotenoids
   
   
4. Lathyrism is caused due to the consumption of following
   • Lentils
   • Bengal gram
   • Horse gram
   • Kesari dhal
   
   
5. Identify the process used for fractionation of wheat grain into different primary products.
   • Tempering and Grinding
   • Plate milling
   • Differential sieving
   • Roller milling
   
   
6. Mangoes can be artificially ripened by
   • Nitrates
   • Magnesium sulphate
   • Calcium carbide
   • Potassium chlorate
   
   
7. MAP stands for
   • Modified Air Packaging
   • Modified Atmosphere Packaging
   • Metal and Aluminium Packaging
   • Moderate Atmosphere Packaging
   
   
8. Identify the unique wheat fraction responsible for dough making properties of wheat.
   • Albumin
   • Prolamine
   • Gluten
   • Globulin
   
   
9. Crystallization of sugar in ice cream can be prevented by
   • Slow freezing
   • Quick freezing
   • Intermittent freezing and thawing
   • Adding emulsifiers
   
   
10. FSSAI stands for
    • Fodder safety and standards authority of India
    • Food and soil safety authority of India
    • Food standards and safety authority of India
    • Food safety and standards authority of India
    
    
11. Isozymes can be defined as
    • Different forms of an enzyme which catalyze the same reaction
    • Set of enzymes catalyzing different reactions
    • Set of enzymes acting on different substrates
    • Different enzymes working in similar conditions
    
    
12. Energy value of a glass of milk, measuring around 200 ml, will be
    • 146 kcal.
    • 180 kcal.
    • 100 kcal.
    • 220 kcal.
    
    
13. The process of parboiling of rice causes
    • Loss of nutrients
    • Gain of nutrients
    • Both loss and gain of nutrients
    • None of these
    
    
14. Which one of the following denotes nutritional composition of soya bean?
    • Protein - 38%, Fat - 19%, CHO - 13%.
    • Protein - 35%, Fat - 30%, CHO - 5%.
    • Protein - 30%, Fat - 28%, CHO - 12%.
    • Protein - 25%, Fat - 35%, CHO -10%.
    
    
15. Following bacterial cultures are predominantly seen in yogurt cultures
    • Leuconostoc mesenteroides and L. plantarum
    • Lactobacillus brevis and S. faecalis
    • Saccharomyces cerevisiae and Bifidus bacteria
    • Lactobacillus bulgaricus and Streptococcus thermophilus.
    
    
16. The process used for preparation of malt from cereals and legumes is
    • Parboiling
    • Roasting
    • Controlled germination
    • Soaking and drying
    
    
17. Germination of legumes causes a reduction in following class of substances in legumes , ____
    • Antioxidants
    • Antinutrients
    • Antimicrobials
    • Anticarcinogens
    
    
18. Tofu is prepared from
    • Red Kidney bean
    • Bengal gram
    • Cow pea
    • Soya bean
    
    
19. This ingredient can be used to prepare lactose free milk for babies allergic to cow’s milk.
    • Soya bean
    • Goat’s milk
    • Pumpkin seeds
    • Camel milk
    
    
20. Identify Intermediate moisture foods from the following group of foods
    • Honey, jam, jelly
    • Pickles, papads, chips
    • Biscuits, puffs, cake
    • Fruit squash, fruit juice, honey
    
    
21. Mold grown in bread can be prevented by using the following
    • Potassium chloride
    • Ascorbates
    • Propionates
    • Barbiturates
    
    
22. Meat grilled at high temperature can be harmful on account of formation of
    • Polycyclic aromatic hydrocarbons
    • Hydroxymethyl furfurals
    • Carbonated aldehydes
    • Nitrates and nitrites
    
    
23. Bacteria which can survive under refrigeration are known as
    • Mesophilic
    • Proteophiliic
    • Psychrophilic
    • Thermoduric
    
    
24. Saurkraut is fermented product of
    • Fruit
    • Vegetable
    • Cereal
    • Pulse
    
    
25. Which one of the following cooking techniques causes highest destruction of vitamins in vegetables?
    • Boiling
    • Microwaving
    • Baking
    • Pressure cooking
    
    
26. Identify the active principle of garlic.
    • Gallic acid
    • Garcinia
    • Garnicine
    • Allicin
    
    
27. The conversion of liquid egg to a solid or semisolid state on heating is known as
    • Emulsification
    • Precipitation
    • Agglomeration
    • Coagulation
    
    
28. Micro-organisms in foods can be completely killed by
    • Drying
    • Pasteurization
    • Radiation
    • Blanching
    
    
29. In fruit squashes, the minimum amount of fruit juice should be
    • 40%
    • 30%
    • 25%
    • 50%
    
    
30. Among the following, which fruit is ideal for preparation of jelly?
    • Guava
    • Papaya
    • Banana
    • Pears
    
    
31. Identify the common technique used for the production of milk powder?
    • Sun drying
    • Spray drying
    • Foam mat drying
    • Mechanical drying
    
    
32. Blanching of vegetables causes
    • Inactivation of enzymes
    • Preservation of nutrients
    • Cooking of vegetables
    • Increased microbial growth
    
    
33. Following additive can be classified as flavour potentiator.
    • Sodium chloride
    • Monosodium glutamate
    • Acidulants
    • Sodium bicarbonate
    
    
34. Which among the following attributes are not sensory characteristics of food?
    • Appearance, colour
    • Taste, flavour
    • Texture, consistency
    • Composition, nutrients
    
    
35. The sensory test in which food products are rated from ‘extremely like’ to ‘extremely dislike’ is -
    • Hedonic test
    • Threshold test
    • Triangle test
    • Duo-trio test
    
    
36. Sucrose is composed of following two sugars.
    • Glucose and glucose
    • Glucose and galactose
    • Glucose and lactose
    • Glucose and fructose
    
    
37. Identify the sugar with highest sweetness among the following.
    • Glucose
    • Fructose
    • Sucrose
    • Lactose
    
    
38. A fat substitute which can be used for bakery products is
    • Sucrose polyester
    • Sucrose polyol
    • Maltitol
    • Sucralose
    
    
39. Industrial effluents cause a high content of this metal contaminant in fish.
    • Lead
    • Mercury
    • Arsenic
    • Zinc
    
    
40. Which of the following foods sold commercially is most likely to carry harmful organisms?
    • Cheese sandwich
    • Potato Cutlets
    • Pizza
    • Raw vegetable salad
    
    
41. Which of the following element is monoisotopic?
    • Fluorine
    • Neon
    • Oxygen
    • Helium
    
    
42. Which of the following observation was correct by J.J Balmer regarding visible hydrogen spectrum?
    • A red line with a wavelength of 6563 Å
    • A red line with a wavelength of 3563 Å
    • A blue line with a wavelength of 6563 Å
    • A blue line with a wavelength of 3563 Å
    
    
43. The isotope with maximum binding energy per nucleon is
    • ⁵²Fe
    • ⁵⁶Fe
    • ⁵⁴Fe
    • ⁵⁸Fe
    
    
44. The IR spectrum of a compound identifies
    • the presence of resonating structures
    • the presence of certain functional groups
    • the presence of isotopes of elements
    • All these
    
    
45. The Bohr radii of the fourth orbit of hydrogen atom in centimeter is
    • 8.46 × 10^-8
    • 4.46 × 10^-8
    • 13.2 × 10^-8
    • 6.26 × 10^-8
    
    
46. A solubility curve is obtained by plotting solubility of the substance against
    • Molecular mass
    • Temperature
    • Weight of water in grams
    • None of these
    
    
47. A catalyst will increase the rate of the reaction by
    • shifting the equilibrium to the left
    • increasing the activation energy
    • shifting the equilibrium to the product side
    • decreasing the activation energy
    
    
48. A pair of nuclei having same number of protons and neutrons but different half lives are called
    • Nuclear isotones
    • Nuclear isomers
    • Nuclear pairs
    • None of these
    
    
49. The mole fraction of ethyl alcohol in a solution containing 5.4 g of water and 9.2 g of ethyl alcohol is
    • 0.8
    • 0.4
    • 1.0
    • 0.6
    
    
50. The ratio of the depression in freezing point of equimolar solution of NaCl, Glucose and Urea is
    • 2:1:1
    • 2:2:1
    • 1:2:1
    • None of these
    
    
51. The base peak in a mass spectrum is
    • The peak with high mass by charge ratio
    • The peak with low mass by charge ratio
    • The peak with the highest intensity
    • None of these
    
    
52. Which of the following increase with decrease in dilution?
    • Specific Conductance
    • Molar conductance
    • Equivalent Conductance
    • Both Specific Conductance and Molar conductance
    
    
53. If the dissociation constant of HCN is 4 × 10^-10, then the hydrolysis constant for NaCN is
    • 1.5 × 10^-7
    • 2.5 × 10^-5
    • 2.5 × 10^-7
    • 1.5 × 10^-5
    
    
54. The approximate tortional energy between eclipsed and staggered conformation of ethane is
    • 10.5 kJ per mole
    • 14.5 kJ per mole
    • 18.5 kJ per mole
    • 12.5 kJ per mole
    
    
55. The acid catalysed dehydration of 1,2 glycols followed by rearrangement to form a ketone is generally called
    • Perkin reaction
    • Fries rearrangement
    • Keto enol rearrangement
    • Pinacol pinnacolone rearrangement
    
    
56. The aqueous solution of the salt of ammonium acetate is
    • Neutral
    • Basic
    • Acidic
    • Either acidic or basic
    
    
57. The non-bonding molecular orbital present in the MO picture of sigma bonding in octahedral complexes is
    • t_2g
    • t_lu
    • e_g
    • a_lg
    
    
58. The reaction between alkyl halide and lithiumdialkyl copper to obtain an alkane is called
    • Wurtz reaction
    • Sendren’s reaction
    • Corey -House reaction
    • Curdy’s reaction
    
    
59. The octane number of diesel is expressed by mixing a sample of iso octane with
    • n- Heptane
    • n- nonane
    • Iso heptane
    • Iso nonane
    
    
60. Hexaamminecobalt(III) ion is a
    • Outer orbital High spin complex
    • Outer orbital Low spin complex
    • Inner orbital High spin complex
    • Inner orbital Low spin complex
    
    
61. The total number of hydroxy group present in thiosulphuric acid is
    • one
    • three
    • two
    • four
    
    
62. The effective number of electrons in Fe₂(CO)₉ is
    • 8
    • 32
    • 36
    • 18
    
    
63. The particle size of the precipitate in a gravimetric estimation could be related to a property called
    • Relative supersaturation
    • Nucleation
    • Digestion
    • Crystal growth
    
    
64. The external indicator used in the titration of FeSO₄ against potassium dichromate is
    • Starch
    • Eriochrome blue
    • Potassium Hexacyanoferrate
    • Xylenol orange
    
    
65. Kuroll’s salt are generally
    • Poly dimethoxy compounds
    • Polymetaphosphates
    • Polyphosphonitriles
    • Poly phosphazines
    
    
66. Buna N is a copolymer of 1,3 butadiene with
    • Acetoacetates
    • Nitrobenzene
    • Nitriles
    • Vinyl cyanide
    
    
67. In the proton NMR spectrum of propane has
    • A triplet, a quadret and a pentent
    • A triplet only
    • A triplet and a septet
    • A triplet and pentet
    
    
68. Diphenyl guanidine is used in the vulcanization process as
    • Retarder
    • Accelerator
    • Dye
    • Plasticiser
    
    
69. Which one of the following is an anti-aromatic compound?
    • Azulene
    • Cyclooctatetrene
    • Tropylium ion
    • Napthalene
    
    
70. Among the four acids given below, which one is not an unsaturated acid?
    • Crotonic Acid
    • Malic acid
    • Cinnamic acid
    • Acrylic acid
    
    
71. 1, 3 butadiene on bromination in presence of hexane and the products on warming upto 60°C, then the major product is
    • 1,3 addition product
    • 1,2 addition product
    • 2,3 addition product
    • 1,4 addition product
    
    
72. The energy associated with the second energy level of hydrogen atom in erg per atom is
    • 8.44 × 10^–12
    • 15.44 × 10^–12
    • 5.44 × 10^–12
    • 21.44 × 10^–12
    
    
73. Which one of the following is ortho, para directing and activating group
    • – NR₃
    • – COR
    • – COOR
    • – NHCOR
    
    
74. Trans 2- butene on bromination gives
    • Mesodibromide
    • Racemic mixture of dibromide
    • Dextrodibromide
    • Leavo dibromide
    
    
75. The electronic configuration of Europium is
    • [Xe] 4f⁷ 5d¹ 6s²
    • [Xe] 4f⁷ 5d¹ 6s¹
    • [Xe] 4f⁹ 5d⁰ 6s²
    • [Xe] 4f⁷ 5d⁰ 6s²
    
    
76. The dominant functional group present in Dowex-50 resin that is usually used as the ion exchange resin column for the seperation of lanthanides is
    • – NH₂
    • – OH
    • – SO₃H group
    • – COOR group
    
    
77. For Ferrimagnetic substances, below curie temperature ,
    • Spins are aligned parallel and cancel each other
    • Spins are aligned anti-parallel and cancel each other
    • Spins are aligned anti-parallel but do not cancel each other
    • None of these
    
    
78. Which one of the following is a protophillic solvent?
    • CH₃ COOH
    • HF
    • C₂H₅OH
    • C₆H₅N
    Question error
    
    
79. An indicator of the intermolecular binding force which keeps the molecules together in a solvent.
    • Liquid constant
    • Dalton constant
    • Trouton constant
    • Buoyant constant
    
    
80. Barium nitrate and silver chloride react in liquid ammonia medium to form a precipitate of ——
    • Silver nitrate
    • Both Silver nitrate and Barium chloride
    • Barium chloride
    • No precipitation occurs
    
    
81. Who is the present Chief Justice of India?
    • T. S. Thakur
    • Ranjan Gogo
    • Jagadhish Singh Khehar
    • Dipak Misra
    
    
82. Article 368 of the Indian Constitution deals with
    • Amending Procedure
    • Emergency Provisions
    • Right for Information
    • Right to Education
    
    
83. The Constitution of Jammu and Kashmir came into force on
    • 26 January, 1956
    • 26 January, 1957
    • 15 August, 1956
    • 15 August, 1947
    
    
84. The theory of Separation of Powers is a division of powers between
    • the Economy and polity
    • Central and State Governments
    • different branches of Government
    • State and Local Governments
    
    
85. Which of the following Article of Indian Constitution ensures Freedom of Press in India?
    • Article 25
    • Article 350
    • Article 19
    • Article 326
    
    
86. Who wrote the devotional work Narayaniyam?
    • Melpathur Narayana Bhattathiri
    • Punthanam
    • Ramanuja
    • Ezhuthachan
    
    
87. English education started in Travancore at the time of
    • Ayillium Thirunal
    • Visakham Thirunal
    • Uthradam Thirunal
    • Swathy Thirunal
    
    
88. Who assumed the title as “the Father of Political Movement in Modern Travancore”?
    • K. Ramakrishna Pillai
    • Dr. Palpu
    • G. Parameswara Pillai
    • Swadeshabhimani Ramakrishnan
    
    
89. Who started the newspaper called “Sujananandini”?
    • Kesavan Asan
    • C. V. Kunjiraman
    • K. Kelappan
    • A. K. Gopalan
    
    
90. The S. N. D. P. Yogam came into existence on
    • December 1, 1920
    • June 10, 1905
    • May 15, 1903
    • December 1, 1903
    
    
91. Who wrote the famous Malayalam novel “The Marthanda Varma”?
    • Chandu Menon
    • C. V. Raman Pillai
    • S. K. Pottakkadu
    • M. R. Nair
    
    
92. First Chairperson of National Commission for Woman.
    • Girija Vyas
    • V. Mohini Giri
    • Jayanti Patnaik
    • Lalitha Kumaramangalam
    
    
93. Name the Prepaid Smart Card introduced by the Kochi Metro.
    • Metro Card
    • Kochi One
    • Smart Card
    • One Kochi
    
    
94. Slavery was abolished in Travancore on :
    • 1910
    • 1836
    • 1812
    • 1811
    
    
95. Who Prepared the first lexicon and grammar work in Malayalam?
    • Benjamin Bailey
    • Arnos Pathiri
    • Herman Gundert
    • William Logan
    
    
96. Who wrote the book called “Adibhasha”?
    • V. T. Bhattathirippad
    • Vaikunda Swamikal
    • Chattambi Swamikal
    • Ayyankali
    
    
97. Ayyavazhi theology related to :
    • Thycaud Ayya Vaikundar
    • Sree Narayana Guru
    • Vagbhadananda
    • Vaikunda Swamikal
    
    
98. A Collection of book reviews by Kuttipuzha Krishna Pillai :
    • Kanneerum Kinavum
    • Smarana Manchari
    • Malayalam Book Reviews
    • Grandavalokanam
    
    
99. Who is the author of The Sarachandrika, a significant contribution to the literature on Ayurveda?
    • Dr. K. Muraleedharan
    • Paravoor Kesavan
    • P. M. Govindan Vaidyan
    • P. R. Variar
    
    
100. Which is set to be India’s first Book Village?
     • Bastar (Chattisgarh)
     • Anantapur (Andhra Pradesh)
     • Araria (Bihar)
     • Bhilar (Maharashtra)