Dairy Farm Instructor-Kerala Dairy Development 442/2016 Answer Key 64/2017

Post : Dairy Farm Instructor
Department : Kerala Dairy Development
Category Code : 442/16
Qualifications : Graduation with either Mathematics or Biology as one of the optional subjects for Pre-degree course
Question Paper Code : 64/2017
Date of Test : 03-06-2017

1. Ohm’s Law states that :
   • V = IR
   • V = I/R
   • I = R/V
   • I = VR
   
   
2. Choose the odd one :
   • Electromagnetic force
   • Gravitational force
   • Strong nuclear force
   • Spring force
   
   
3. Earth magnetism is due to :
   • Dynamo effect
   • Doppler effect
   • Solar effect
   • Magnus effect
   
   
4. Which principle is used to check the correctness of an equation?
   • Principle of Continuity
   • Principle of Parallax
   • Principle of Conduction
   • Principle of Homogeneity
   
   
5. The acronym LASER stands for :
   • Light Amplification by Stimulated Emission of Radiation.
   • Light Attenuation by Stimulated Emission of Radiation.
   • Large Amplification by Stimulated Emission of Radiation.
   • Light Amplification by Slowed Emission of Radiation.
   
   
6. In a uniform circular motion :
   • Velocity is constant
   • Distance is constant
   • Displacement is constant
   • Speed is constant
   
   
7. The process of deliberate addition of desirable impurity in an intrinsic semiconductor is :
   • Doping
   • Bonding
   • Diffusion
   • Sublimation
   
   
8. In 1921 Albert Einstein was awarded Nobel Prize in the study of :
   • Black body Radiation
   • Photoelectric effect
   • Mass-Energy Relation
   • Atom model
   
   
9. Henry is the unit of :
   • Capacitance
   • Resistance
   • Inductance
   • Reactance
   
   
10. The superposition of a low frequency message signal on a high frequency carrier wave is called :
    • Amplification
    • Modulation
    • Attenuation
    • Demodulation
    
    
11. A quantum mechanical theory for explaining superconductivity is :
    • KC Rule
    • BCS theory
    • KV Rule
    • NMR theory
    
    
12. Which experiment proved the particle nature of light?
    • Interference
    • Diffraction
    • Compton effect
    • Polarisation
    
    
13. A magnet dropped through an aluminium pipe takes more time than through a PVC pipe of same dimension to reach the bottom. This is due to :
    • Electrostatic shielding
    • Electromagnetic damping
    • Electromagnetic radiation
    • Convection
    
    
14. The principle which helps in explaining blood flow and heart attack in artery :
    • Torricelli’s Law
    • Hooke’s Law
    • Bernoulli’s Principle
    • Snell’s Law
    
    
15. Which of the following substances has more specific heat capacity?
    • Carbon
    • Copper
    • Water
    • Silver
    
    
16. In an isothermal process :
    • Heat Constant
    • Volume Constant
    • Pressure Constant
    • Temperature Constant
    
    
17. The cell used in Appollo Space Programme :
    • Dry Cell
    • Mercury Cell
    • Nickel-Cadmium Cell
    • Fuel Cell
    
    
18. The element which have positive Electron gain Enthalpy :
    • H
    • Cl
    • Ne
    • Na
    
    
19. Bond order of oxygen molecule :
    • 2
    • 3
    • 1
    • 0
    
    
20. Which of the following orbital is not possible?
    • 2s
    • 3p
    • 2d
    • 4d
    
    
21. The unit of rate constant for a first order reaction :
    • mol l sec⁻¹
    • mol l⁻¹ sec⁻¹
    • mol⁻¹ l sec⁻¹
    • sec⁻¹
    
    
22. Zig-Zag movement of colloidal particle is called :
    • Tyndall Effect
    • Brownian movement
    • Electrophoresis
    • Peptization
    
    
23. The Geometry of CH₄ molecule :
    • Square Planar
    • Octahedral
    • Tetrahedral
    • Trigonal Bipyramid
    
    
24. Ideal gas Equation is :
    • P=nRT
    • P₁V₁=P₂V₂
    • PV=nRT
    • V₁/T₁=V₂/T₂
    
    
25. The condition for a thermodynamic process to be adiabatic :
    • q=0
    • ∆T=0
    • ∆V=0
    • W=0
    
    
26. pH of pure water :
    • 0
    • 7
    • 12
    • 5
    
    
27. The molecular formulae of an organic compound is C₂H₂. The compound is an :
    • Alkane
    • Alkyne
    • Alkene
    • Aldehyde
    
    
28. Hybridisation in Alkane is :
    • sp²
    • sp³
    • sp
    • sp³d
    
    
29. The reaction used for the preparation of chlorobenzene from diazonium chloride is :
    • Sandmayer’s Reaction
    • Aldol Condensation
    • Cannizzaro Reaction
    • Wurtz Reaction
    
    
30. The IUPAC name of Acetaldehyde is :
    • Methanal
    • Propanal
    • Ethanol
    • Ethanal
    
    
31. Acid used for the coagulation of rubber latex commercially :
    • Formic Acid
    • Acetic Acid
    • Citric Acid
    • Lactic Acid
    
    
32. Chemical substance used for relieving pain :
    • Antiseptic
    • Tranquillizer
    • Antibiotic
    • Analgesics
    
    
33. The most abundant protein in the living world is __________ .
    • Collagen
    • Rubisco
    • Glucagon
    • Myosin
    
    
34. Which among the following is known as pregnancy hormone?
    • Oestrogen
    • Testosterone
    • Aldosterone
    • Progesterone
    
    
35. Typhoid is caused by the bacterium __________ .
    • Salmonella
    • Shigella
    • Klebsiella
    • Clostridium
    
    
36. The two cerebral hemispheres of brain in mammals are connected by __________ .
    • Association areas
    • Corpus callosum
    • Thalamus
    • Medulla
    
    
37. The polymerase chain reaction is helping for the synthesis of multiple copies of __________.
    • Deoxyribonucleic acid
    • Oxaloacetic acid
    • Palmitic acid
    • Ribonucleic acid
    
    
38. What change occurs to the sixth amino acid of beta globin chain of sickle cell anaemic patients?
    • Valine to Glutamic acid
    • Leucine to Valine
    • Glutamic acid to Valine
    • Valine to Leucine
    
    
39. __________ is an example for a gaseous plant growth regulator.
    • Auxin
    • Cytokinin
    • Abscisic acid
    • Ethylene
    
    
40. Which of the following set of enzymes present in gastric juice?
    • Pepsin, Rennin and Amylase
    • Amylase, Pepsin and Lipase
    • Pepsin, Rennin and Lipase
    • Lipase, Rennin and Amylase
    
    
41. Vitamin that is exclusively of animal origin is __________ .
    • Vitamin B12
    • Vitamin B1
    • Vitamin B6
    • Vitamin B2
    
    
42. Which of the following animal lack radial symmetry?
    • Physalia
    • Asterias
    • Cucumaria
    • Limulus
    
    
43. Pollination by wind is called __________ .
    • Anemophily
    • Hydrophily
    • Zoophily
    • Entomophily
    
    
44. The cell organelle known as “power houses” of the cell :
    • Ribosome
    • Mitochondria
    • Endoplasmic reticulum
    • Lysosome
    
    
45. Plants growing in dry habitat are called __________ .
    • Xerophytes
    • Lithophytes
    • Mesophytes
    • Crysophytes
    
    
46. The study of fossil is known as __________ .
    • Osteology
    • Histology
    • Mycology
    • Palaeontology
    
    
47. The loss of water in liquid form from the leaves of plants is __________ .
    • Transpiration
    • Guttation
    • Evaporation
    • Translocation
    
    
48. Which of the following set is the pyrimidines present in RNA?
    • Uracil and Cytosine
    • Adenine and Uracil
    • Guanine and Uracil
    • Thymine and Uracil
    
    
49. The sum of the first 10 terms common to the series 17, 21, 25 .......... and 16, 21, 26 .......... is :
    • 1100
    • 1010
    • 1110
    • 1200
    
    
50. The radius of the sphere through the points (4, 3, 0), (0, 4, 3), (0, 5, 0) and (4, 0, 3) is :
    • 5
    • 7
    • 4
    • 6
    
    
51. The maximum value of xy+5 subject to 2x+y=4 is :
    • 4
    • 3
    • 8
    • 7
    
    
52. The number of solutions of sin 5x.cos 3x=sin 9x.cos 7x in [0,π/2] i
    • 10
    • 9
    • 5
    • 4
    
    
53. The equation of Hyperbola referred to its axes as axes of coordinate whose distance between the foci is 20 and eccentricity equals √2 is :
    • x²−y²=25
    • x²−y²=50
    • x²−y²=12
    • x²−y²=40
    
    
54. If 3 distinct numbers are chosen randomly from the first 100 natural numbers, then the probability that all three of them are divisible by both 2 and 3 is :
    • 4/1155
    • 4/1255
    • 3/1155
    • 3/1255
    
    
55. The number of triangles which can be formed by using the vertices of a regular polygon of (n+3) sides is 220. Then the value of n is :
    • 10
    • 8
    • 11
    • 9
    
    
56. The distance between the parallel planes 3x+y+3z=8 and 9x+3y+9z=15 is :
    • 5/√19
    • 7/√19
    • 3/√19
    • 9/√19
    
    
57. The digit at the unit place in the number 19²⁰⁰⁵+11²⁰⁰⁵−9²⁰⁰⁵ is :
    • 3
    • 0
    • 9
    • 1
    
    
58. Mean deviation of the data 3, 10, 10, 4, 7, 10, 5, 7 from mean is :
    • 2
    • 2.25
    • 3
    • 3.25
    
    
59. The area bounded by the curve y=|x|−1 and y=−|x|+1 is :
    • 4
    • 2
    • 2
    • 2√2
    
    
60. A straight line parallel to the line 2x−y+5=0 is also a tangent to the curve y²=4x+5. Then the point of contact is :
    • (−1, 1)
    • (−1, 2)
    • (2, 1)
    • (1, 3)
    
    
61. The number of 4 digit even numbers that can be formed using 0, 1, 2, 3, 4, 5, 6 without repetition is :
    • 420
    • 300
    • 120
    • 320
    
    
62. The number of terms in the expansion of (a+b+c)¹⁰ is :
    • 11
    • 55
    • 66
    • 44
    
    
63. If a²+b²=7ab then the value of log [(a+b)/3] is :
    • (1/2) log (a+b)
    • (1/2) log (ab)
    • (1/2) log (a/b)
    • (1/2) log (b/a)
    
    
64. If a matrix A is Symmetric as well as Skew Symmetric, then :
    • A is a diagonal matrix
    • A is a unit matrix
    • A is a triangular matrix
    • A is a null matrix
    
    
65. Process of adding vitamins to milk is known as :
    • Flavouring
    • Fortification
    • Fermentation
    • Sterilization
    
    
66. The minimum fat % required in ice-cream is :
    • 10%
    • 9%
    • 8%
    • 15%
    
    
67. A method for destroying all pathogenic organism in milk for safely consumption for human.
    • Standardization
    • Homogenization
    • Coagulation
    • Pasteurization
    
    
68. Kerala Co-operative Milk Marketing Federation (KCMMF) was formed on :
    • 1980
    • 1985
    • 1975
    • 1970
    
    
69. __________ is a heat acid coagulated product.
    • Lassi
    • Peda
    • Paneer
    • Khoa
    
    
70. __________ is used for determining the specific gravity of milk.
    • Butyrometer
    • Thermometer
    • Barometer
    • Lactometer
    
    
71. Headquarters of National Dairy Research Institute (NDRI) is at __________ .
    • Karnal
    • Bangalore
    • Delhi
    • Hyderabad
    
    
72. According to FSSAI rule butter should contain a minimum of __________ % milk fat.
    • 50%
    • 80%
    • 99%
    • 90%
    
    
73. Milk letdown hormone is __________ .
    • Oestrogen
    • Progesterone
    • Oxytocin
    • Prolactin
    
    
74. Name a compound that can be used both detergent and sanitizer in a dairy plant.
    • Chlorine
    • Sodium chloride
    • Carbonate
    • Iodophore
    
    
75. Optimum dry period needed for dairy animal is __________ days.
    • 70 days
    • 80 days
    • 60 days
    • 50 days
    
    
76. Adulteration of milk with starch can be detected by __________ Test.
    • Platform Test
    • Alcohol Test
    • Reduction Test
    • Iodine Test
    
    
77. Name the milk sugar :
    • Lactose
    • Sucrose
    • Raffinose
    • Fructose
    
    
78. Largest Milk producing country in the world :
    • France
    • India
    • USA
    • Germany
    
    
79. Under the PFA rules, Toned milk should contain __________ % Fat and __________ % SNF.
    • 3% Fat, 8.5% SNF
    • 1.5% Fat, 9% SNF
    • 4% Fat, 9% SNF
    • 2% Fat, 7.5% SNF
    
    
80. The specific gravity of normal milk ranges from __________ .
    • 1.0
    • 1.05 - 1.08
    • 1.028 - 1.032
    • 1.042 - 1.045
    
    
81. Which part of the Indian Constitution contains the Directive Principles of State Policy?
    • Part : I
    • Part : IV
    • Part : VI
    • Part : VII
    
    
82. The Constituent Assembly formed the ‘drafting committee’ of Indian Constitution on :
    • 29th August, 1947
    • 29th October, 1947
    • 29th August, 1948
    • 29th October, 1948
    
    
83. Which schedule of Indian Constitution deals with the Anti-Defection Act?
    • Second
    • Fifth
    • Seventh
    • Tenth
    
    
84. Section 15(1) of the Right to Information Act of 2005 refers to :
    • Time limit for the supply of information
    • Formation of State Information Commission
    • Designation of Public Information Officer
    • All of these
    
    
85. Which reform movement was started by Pandit K.P. Karuppan at Thevara in Ernakulam District?
    • Vala Samudaya Parishkarani Sabha
    • Vala Seva Samithi
    • Araya Samajam
    • Cochin Pulaya Sabha
    
    
86. Who started an English School at Mattancherry in 1818 with the financial aid of the Cochin government?
    • W.T. Ringletaube
    • Col. Munro
    • Rev. Mead
    • Rev. J. Dawson
    
    
87. ‘Kozhanchery Speech’ is related with which of the following movements?
    • Electricity Agitation
    • Abstention Movement
    • Punnapra-Vayalar Upheaval
    • Vaikkom Sathyagraha
    
    
88. Who was the founder of the newspaper ‘Kerala Kaumudi’?
    • K. Ayyappan
    • Kumaran Asan
    • K. Sukumaran
    • C.V. Kunjiraman
    
    
89. Who was hailed by Gandhiji as ‘Jhansi Rani of Travancore’?
    • Accamma Cheriyan
    • Anna Chandy
    • A.V. Kuttimalu Amma
    • Lalitha Prabhu
    
    
90. The social reformer who served as a member of both Kochi and Tiru-Kochi Ministries?
    • C. Kesavan
    • Mannathu Padmanabhan
    • Sahodaran Ayyappan
    • T.K. Madhavan
    
    
91. Which scheme aims to distribute LED bulbs to all electrified houses in India?
    • KIRAN
    • UJALA
    • RASMI
    • LED Revolution
    
    
92. The date on which the National Rural Employment Guarantee Programme was launched?
    • 2005 August 23
    • 2005 August 25
    • 2006 February 2
    • 2006 October 2
    
    
93. Who is the author of the drama ‘Gopuranatayil’?
    • M.T. Vasudevan Nair
    • Thoppil Bhasi
    • N.N. Pillai
    • K. Damodaran
    
    
94. Which of the following train is running between Kolkata and Dhakka?
    • Thar Express
    • Maitree Express
    • Samjhauta Express
    • All of these
    
    
95. What is ‘Durand line’?
    • Boundary line between Germany and Poland
    • Boundary line between Pakistan and Afghanistan
    • Boundary line between India and China
    • Boundary line between Germany and France
    
    
96. Which Five Year Plan is known as Mahalanobis plan?
    • First Five Year Plan
    • Second Five Year Plan
    • Third Five Year Plan
    • Fifth Five Year Plan
    
    
97. Which place is declared as the second capital of Himachal Pradesh?
    • Shimla
    • Mandi
    • Manali
    • Dharamsala
    
    
98. Who was the chief guest of the official ceremony in the Republic Day in 2017?
    • President of Indonesia
    • King of Qatar
    • President of France
    • Crown Prince of UAE
    
    
99. Which movie won the best film award in 47th Kerala state film awards?
    • Kammattipadam
    • Kadu Pookkunna Neram
    • Manhole
    • Kamboji
    
    
100. What was the theme of 2017 National Girl Child Day?
     • Beti Bachao, Beti Padhao
     • A Girl is whole by all means
     • End child marriage
     • “Little Girls are Heaven’s Flowers”