Dairy Extension Officer- Kerala Dairy Development

PROVISIONAL ANSWER KEY
Question Paper Code: 12/2015/OL
Category Code: 157/2013
Exam: Dairy Extension Officer
Medium of Question: English
Date of Test 30-06-2015
Alphacode A
Question1:-‘Vala Samudaya Parishkarani Sabha’ is connected with ?
A:-Ayyankali
B:-Vaikunda Swami
C:-Pandit K P Karuppan
D:-Vagbhadanandan
Correct Answer:- Option-C
Question2:-Who was selected as ‘the Player of the series’ of 2015 ICC World Cup?
A:-Mitchell Starc
B:-James Faulkner
C:-Mitchell Johnson
D:-Tim Southee
Correct Answer:- Option-A
Question3:-The Idea of Directive Principles was borrowed by India from?
A:-USA
B:-Ireland
C:-Canada
D:-Germany
Correct Answer:- Option-B
Question4:-Domestic Violence Act was passed in the year?
A:-2008
B:-2007
C:-2005
D:-2006
Correct Answer:- Option-C
Question5:-The Magazine ‘Bhashaposhini’ is associated with?
A:-C Krishnan
B:-Kumaran Assan
C:-K Sukumaran
D:-Kandathil Varghese Mappillai
Correct Answer:- Option-D
Question6:-The first exclusive educational satellite of India?
A:-METSAT
B:-EDUSAT
C:-MOM
D:-APPLE
Correct Answer:- Option-B
Question7:-The term ‘Socialist and Secular’ were added to the Preamble of Indian Constitution through ………. Amendment?
A:-73rd Amendment
B:-86th Amendment
C:-42nd Amendment
D:-24th Amendment
Correct Answer:- Option-C
Question8:-The first state which fixed minimum educational qualification to contest for Panchayath polls?
A:-Rajastan
B:-Madhyapradesh
C:-Haryana
D:-Punjab
Correct Answer:- Option-A
Question9:-Choose the right option in connection with Temple Entry Proclamation?
A:-1936 December 11
B:-1936 March 12
C:-1936 November 11
D:-1936 November 12
Correct Answer:- Option-D
Question10:-The father of the Cartoon ‘ Common man’?
A:-Sankar
B:-MF Hussain
C:-RK Laxman
D:-Gopikrishna
Correct Answer:- Option-C
Question11:-The Article which abolishes Untouchability?
A:-Article 17
B:-Article 19
C:-Article 14
D:-Article 15
Correct Answer:- Option-A
Question12:-Which day is observed as ‘Pravasi Baratiya Divas’?
A:-March 12
B:-November 11
C:-October 24
D:-January 9
Correct Answer:- Option-D
Question13:-Who was the author of ‘Pattabakki’, the first political drama in Kerala?
A:-TC Achuthamenon
B:-K Damodaran
C:-PK Kocheepan Tharakan
D:-CV Raman Pillai
Correct Answer:- Option-B
Question14:-The Article 16 of Indian Constitution guarantees?
A:-Prohibits human trafficking
B:-Prohibits Child Labour
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C:-Equality of opportunity in maters of public employment
D:-Environmental Protection
Correct Answer:- Option-C
Question15:-Which of the following Committee is associated with Fundamental Duties?
A:-Ashok Mehta Committee
B:-Balwant Rai Mehta Committee
C:-LM Singhvi Committee
D:-Swaran Singh Committee
Correct Answer:- Option-D
Question16:-Who wrote ‘Samkshepa Vedartham’?
A:-Clement Pianius
B:-Van Rheede
C:-George Mathan
D:-Herman Gundert
Correct Answer:- Option-A
Question17:-Mahatma Gandhi National Rural Employment Guarantee Act aims to provide at least ?
A:-100 days of wage employment in a Calendar year
B:-100 days of wage employment in a financial year
C:-100 days of wage employment in two years
D:-100 days of free employment in two years
Correct Answer:- Option-B
Question18:-Prof.Shantha Sinha is associated with ?
A:-UNICEF
B:-SEWA
C:-KWC
D:-NCPCR
Correct Answer:- Option-D
Question19:-The word ‘Lokpal’ was coined by ?
A:-LM Singhvi
B:-Asokee Kumar Sen
C:-Morarji Desai
D:-Jawaharlal Nehru
Correct Answer:- Option-A
Question20:-International Wmen’s Day?
A:-February 8
B:-March 8
C:-May 8
D:-October 8
Correct Answer:- Option-B
Question21:-Which among the following contain 65-85 percent milk fat
A:-Table cream
B:-Whipping cream
C:-Heavy cream
D:-Plastic cream
Correct Answer:- Option-D
Question22:-The viscosity of the cream can be increased by
A:-Double stage homogenization
B:-Fast cooling of cream
C:-Ageing of cream
D:-Decreasing the fat percentage
Correct Answer:- Option-C
Question23:-Feathering in hot coffee is due to defect in cream caused by
A:-Excessive homogenization pressure
B:-Excess heating of cream during pasteurization
C:-Fat hydrolysis due to lipase action
D:-Growth of proteolytic bacteria in cream
Correct Answer:- Option-A
Question24:-In Swiss cheese making, the lactic acid bacteria convert lactose to lactic acid, which in turn is used by propioni bacteria to produce propionic acid. this is an example for
A:-Synergism
B:-Probiosis
C:-Metabiosis
D:-Antibiosis
Correct Answer:- Option-C
Question25:-The production of gas in canned dairy products cause bulging of cans and it can be caused by
A:-Candida pseudotropicalis
B:-Escherichia coli
C:-Clostridium butyricum
D:-All the above
Correct Answer:- Option-D
Question26:-If the standard plate count per milliliter of raw milk is in the range of 2,00,000 to 1 million, the grade recommended by Indian Standards Institution is
A:-Very good
B:-Good
C:-Fair
D:-Poor
Correct Answer:- Option-B
Question27:-Which among the following is lower in buffalo milk as compared to cow milk
A:-pH
B:-Viscosity
C:-Curd tension
D:-Rennet clotting time
Correct Answer:- Option-D
Question28:-Which among the following khoa based sweet is prepared by mixing khoa with maida in about 3:1 ratio
A:-Burfi
B:-Gulabjamun
C:-Kalakand
D:-Peda
Correct Answer:- Option-B
Question29:-Which among the following has the highest sweetening power
A:-Fructose
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B:-Sucrose
C:-Maltose
D:-Lactose
Correct Answer:- Option-A
Question30:-The area of the tongue with more sensitivity for sweetness is
A:-Tip of the tongue
B:-Middle of the tongue
C:-Back of the tongue
D:-Edges of the tongue
Correct Answer:- Option-A
Question31:-Which of the following is a cultivar of guinea grass
A:-Jawahar
B:-Hamil
C:-Rahuri
D:-Gajraj
Correct Answer:- Option-B
Question32:-The multipurpose fodder tree species commonly used for live fencing in Kerala
A:-Gliricidia
B:-Sesbania grandiflora
C:-Calliandra calothyrsus
D:-Hedge lucerne
Correct Answer:- Option-A
Question33:-Which of the following is a annual grass
A:-Buffel grass
B:-Gamba grass
C:-Setaria grass
D:-Deenanath grass
Correct Answer:- Option-D
Question34:-Vijay composite is a cultivar of
A:-Fodder Sorghum
B:-Fodder Maize
C:-Fodder Bajra
D:-Hybrid Napier
Correct Answer:- Option-B
Question35:-Which of the following fodder can be cultivated in poorly drained land
A:-Buffel grass
B:-Gamba grass
C:-Para grass
D:-Guinea grass
Correct Answer:- Option-C
Question36:-Which of the following fodder crop is best suited for silage making
A:-Fodder maize
B:-Para grass
C:-Guinea grass
D:-Congo-signal grass
Correct Answer:- Option-A
Question37:-The process of conversion of plant and animal residues to quickly utilizable form to improve and maintain soil fertility
A:-Manuring
B:-Composting
C:-Scarification
D:-Harrowing
Correct Answer:- Option-B
Question38:-An important tropical pulse crop profitably grown as a summer crop in rice fallows in Kerala in rotation sequence
A:-Cow pea
B:-Alfalfa
C:-Berseem
D:-Cluster beans
Correct Answer:- Option-A
Question39:-In hay making, the moisture content of the forage crop is reduced to
A:-5-10%
B:-15-20%
C:-25-35%
D:-40-50%
Correct Answer:- Option-B
Question40:-The fertilizer or manure that has to be applied as top dressing after each harvest in cultivation of guinea grass
A:-Farmyard manure
B:-Nitrogen fertilizer
C:-Phosphorus fertilizer
D:-Potassium fertilizer
Correct Answer:- Option-B
Question41:-The seed rate per hectare required for establishment of maize by dibbling
A:-10-30 Kg
B:-40-60 Kg
C:-90-110 Kg
D:-130-150 Kg
Correct Answer:- Option-B
Question42:-The type of cleaning agent most suitable for rubber parts in dairy equipments
A:-Strong alkalies
B:-Weak alkalies with sodium silicate as inhibitor
C:-Weak alkalies with sodium sulphite as inhibitor
D:-Weak acids
Correct Answer:- Option-A
Question43:-Egg solids can be added as an ingredient in ice-cream manufacture to
A:-Improve stabilization
B:-Improve whipping ability
C:-Improve emulsification
D:-Improve fat content
Correct Answer:- Option-B
Question44:-Which of the following help in predicting the shelf life of ghee
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A:-Polenske number
B:-Kirschner value
C:-Saponification number
D:-Induction period for oxygen absorption
Correct Answer:- Option-D
Question45:-Which is a synergist that significantly increase the activity of primary anti-oxidants
A:-Ascorbic acid
B:-Butylated hydroxy anisole
C:-β – carotene
D:-Butylated hydroxy toluene
Correct Answer:- Option-A
Question46:-Bluish grey or brownish milk can be due to proliferation of which bacteria in milk
A:-Streptococcus lactis
B:-Serratia marcescens
C:-Pseudomonas syncyanea
D:-Micrococcus reseus
Correct Answer:- Option-C
Question47:-Bitter flavour in milk can be due to proliferation of
A:-Escherichia coli
B:-Streptococcus lactis
C:-Micrococcus species
D:-Yeast
Correct Answer:- Option-C
Question48:-Paneer manufactured using citric acid as coagulant give
A:-Good flavour
B:-Higher guminess
C:-Higher chewiness
D:-Maximum hardness
Correct Answer:- Option-D
Question49:-The anti-fungal agent that can be used to control surface spoilage of paneer
A:-Sodium alginate
B:-Chlorinated water
C:-Disodium phosphate
D:-Trisodium phosphate
Correct Answer:- Option-B
Question50:-The type of milk more suitable to produce channa which offers good rossogolla
A:-Milk with fat content below 3 percent
B:-Presence of colostrum milk
C:-Buffalo milk
D:-Mixture of 75% buffalo milk and 25% cows milk
Correct Answer:- Option-D
Question51:-Which is not a rapid platform test performed for raw milk
A:-Direct microscopic count
B:-Clot on boiling test
C:-Standard plate count
D:-Titratable acidity
Correct Answer:- Option-C
Question52:-Flat or insipid flavour in butter is due to
A:-Excess washing of butter granules
B:-Presence of lactic acid
C:-Presence of salt
D:-Presence of metal ions
Correct Answer:- Option-A
Question53:-Hydrolytic rancidity in butter is due to
A:-Action of lipase on fat to produce free fatty acids
B:-Oxidation of unsaturated fatty acids
C:-Growth of moulds that convert fatty acids to ketones
D:-Breakdown of proteins by putrefactive organisms
Correct Answer:- Option-A
Question54:-The prescribed microbiological standard for ice-cream as per Bureau of Indian Standards
A:-Standard Plate Count per gram not more than 2,00,000
B:-Coliform count per gram not more than 90
C:-Standard Plate Count per gram not more than 1,50,000
D:-Coliform count per gram not more than 70
Correct Answer:- Option-B
Question55:-The optimal temperature for growth of lactic starters like Streptococcus lactis is
A:-20-27°C
B:-27-32°C
C:-32-37°C
D:-37-42°C
Correct Answer:- Option-B
Question56:-The purity of starter culture can be tested using
A:-Horrell-Elliker test
B:-Creatine test
C:-Resazurin reduction time test
D:-Catalase test
Correct Answer:- Option-D
Question57:-The type of yoghurt produced after fermentation in bulk and coagulam is broken prior to cooling
A:-Set yoghurt
B:-Stirred yoghurt
C:-Concentrated yoghurt
D:-Dried yoghurt
Correct Answer:- Option-B
Question58:-The freezing point of cow milk is
A:-0.555°C
B:-0.560°C
C:-0.575°C
D:-0.588°C
Correct Answer:- Option-A
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Question59:-The bound water in milk is
A:-50% held by casein, 30% by albumin and 20% by globulin
B:-50% held by casein and 50% by albumin and globulin
C:-50% held by casein and 30% by albumin and globulin
D:-50% held by casein, 20% by albumin and 30% by globulin
Correct Answer:- Option-C
Question60:-Sandy texture defect in ice-cream is due to
A:-High lactose
B:-Temperature fluctuation
C:-Long storage
D:-All the above
Correct Answer:- Option-D
Question61:-Which vitamin is essential for the health and normal functioning of epithelial tissue in animal body
A:-Vitamin A
B:-Vitamin D
C:-Vitamin E
D:-Vitamin K
Correct Answer:- Option-A
Question62:-Which of the following major element is needed for blood clotting and tissue excitability
A:-Sodium
B:-Chlorine
C:-Calcium
D:-Potassium
Correct Answer:- Option-C
Question63:-An intimate mixture of concentrates and roughages fed to cattle in the desired proportion is called
A:-Challenge feeding
B:-Complete feeding
C:-Least cost feeding
D:-Phase feeding
Correct Answer:- Option-B
Question64:-Which of the following is essential for proper rumen fermentation leading to acetic acid production
A:-Fat soluble vitamins
B:-Water soluble vitamins
C:-Crude fibre
D:-Crude fat
Correct Answer:- Option-C
Question65:-The cationic detergent used as an effective dairy sanitizer is
A:-Bleaching powder
B:-Quaternary ammonium compounds
C:-Washing soda
D:-Caustic soda
Correct Answer:- Option-B
Question66:-Which of the following is a water soluble vitamin
A:-Vitamin A
B:-Vitamin C
C:-Vitamin D
D:-Vitamin E
Correct Answer:- Option-B
Question67:-Foot and Mouth disease is a
A:-Bacterial disease
B:-Fungal disease
C:-Metabolic disease
D:-Viral disease
Correct Answer:- Option-D
Question68:-A feed which contains higher level of primary nutrients, and less crude fibre and low moisture is called
A:-Concentrate
B:-Pasture
C:-Legume
D:-Roughage
Correct Answer:- Option-A
Question69:-Which of the following is not a symptom of heat in dairy cows
A:-Restlessness
B:-Mounting other cows
C:-Bloody discharge from vulva
D:-Frequent bellowing
Correct Answer:- Option-C
Question70:-The udder of a good dairy cow should be
A:-Long and narrow
B:-Symmetrical, round and hard on palpation
C:-Smooth, well collapsed after milking and pendulous
D:-Wide and deep, and extend well up behind
Correct Answer:- Option-D
Question71:-The buffalo breed indigenous to Nilgiri hills in Tamilnadu
A:-Bhadawari
B:-Toda
C:-Murrah
D:-Mehsana
Correct Answer:- Option-B
Question72:-The fat content of milk in general increase in
A:-Final strippings from the udder
B:-Indigenous breeds as compared to exotic breeds
C:-More roughage portion in diet
D:-All the above
Correct Answer:- Option-D
Question73:-Which method is not recommended in hand milking
A:-Dry hand milking
B:-Stripping
C:-Full hand milking
D:-Knuckling
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Correct Answer:- Option-D
Question74:-The metal portion of the milking machine that houses the rubber liner inside with space between to alternate the pressure by connecting to air hose
A:-Teat cup shell
B:-Teat cup claw
C:-Pulsator
D:-Bucket
Correct Answer:- Option-A
Question75:-The Indian breed of cattle with long pendulous ears resembling a curled leaf is
A:-Sahiwal
B:-Red Sindhi
C:-Gir
D:-Deoni
Correct Answer:- Option-C
Question76:-Which is not true with regard to colostrum
A:-It contains large amounts of gamaglobulins
B:-It contain more total protein than whole milk
C:-It contain more fat than whole milk
D:-It gives a laxative effect
Correct Answer:- Option-C
Question77:-Which of the following exotic cattle breed was not used in the cross-breeding programme in Kerala
A:-Ayrshire
B:-Jersey
C:-Brown Swiss
D:-Holstein Friesian
Correct Answer:- Option-A
Question78:-The act of stopping the lactation of a cow in preparation for her next lactation is
A:-Flushing
B:-Grading up
C:-Steaming up
D:-Drying off
Correct Answer:- Option-D
Question79:-Which is the buffalo breed from Uttar pradesh
A:-Jaffarabadi
B:-Murrah
C:-Bhadawari
D:-Nagpuri
Correct Answer:- Option-C
Question80:-The normal respiration rate per minute in dairy cow is
A:-15-20
B:-25-30
C:-35-40
D:-55-60
Correct Answer:- Option-B
Question81:-When the steam contains moisture in suspension, it is called
A:-Dry saturated steam
B:-Dry steam
C:-Wet steam
D:-Super heated steam
Correct Answer:- Option-C
Question82:-Which of the following is false with regard to a refrigerant
A:-Refrigerant should not decompose at any temperature normally encountered
B:-Refrigerant should posses high thermal conductivity
C:-The electrical resistance of a refrigerant is important
D:-Liquid and vapour refrigerant should have high viscosity
Correct Answer:- Option-D
Question83:-A large increase in deposit formation during milk processing can be expected
A:-If preheating milk to temperatures between 65-90°C
B:-If building up a back pressure
C:-If β-lactoglobulin is added
D:-If pH value is lowered from 6.8 to 6.4
Correct Answer:- Option-D
Question84:-The type of corrosion that occurs when two different metals are in contact in the presence of a conductive solution
A:-Pitting corrosion
B:-Inter-granular corrosion
C:-Galvanic corrosion
D:-Crevice corrosion
Correct Answer:- Option-C
Question85:-Which of the following packaging material can be used in a wide temperature range of -50°C to +150°C and has impermeability to odours
A:-Polyester
B:-Polyamide
C:-Polythene
D:-Polycarbonate
Correct Answer:- Option-A
Question86:-The type of evaporation in which the process cost is reduced by reducing the steam consumption
A:-Multiple effect evaporator
B:-Plate evaporator
C:-Circulation evaporator
D:-Horizontal tube evaporator
Correct Answer:- Option-A
Question87:-Which of the following is not true in the case of drum drying
A:-Drum drying requires less space than spray drying
B:-The flavour of the product is not affected by drum drying
C:-Alloy steel and nickel plate steel can be used as a material of construction
D:-The solubility of the product is much lower in drum drying
Correct Answer:- Option-B
Question88:-The storage temperature needed for Cheddar cheese is
A:-1°C
B:-4°C
C:–20°C
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D:–26°C
Correct Answer:- Option-A
Question89:-The minimum level of illumination required in the laboratory of a dairy plant
A:-20 W/m²
B:-29 W/m²
C:-13 W/m²
D:-41 W/m²
Correct Answer:- Option-D
Question90:-The insulating material known as super insulation in air conditioning industry which can be used for a temperature range of -200°C to +120°C
A:-Fibre glass
B:-Foam glass
C:-Magnesia
D:-Urethane
Correct Answer:- Option-D
Question91:-The average air change in meters per change required for good ventilation in dairy processing rooms
A:-1-3
B:-2-5
C:-6-10
D:-none of the above
Correct Answer:- Option-B
Question92:-Which is not true with regard to Casein
A:-The main sugar in casein is sialic acid
B:-Casein contains all essential amino acids
C:-α and β casein are soluble at isoelectric point
D:-Casein contains 0.78% sulphur
Correct Answer:- Option-C
Question93:-Which is not true in case of hydrolyzed lactose
A:-The solubility of hydrolyzed lactose increases up to 60 g/100 ml of water
B:-Hydrolyzed lactose is a syrup with a dry matter content of about 70 percent
C:-Hydrolysis of lactose decreases its sweetening power by almost two times
D:-There will be more browning in use of hydrolyzed lactose
Correct Answer:- Option-C
Question94:-Which of the following method is not used in determining the lactose content
A:-Polarimetric method
B:-Chromatographic method
C:-Rose-Gottlieh method
D:-Picric acid method
Correct Answer:- Option-C
Question95:-The Central Institute for research on cattle is located in
A:-Meerut
B:-Lucknow
C:-Avikanagar
D:-Karnal
Correct Answer:- Option-A
Question96:-Indian Grassland and Fodder research institute is located in
A:-Hyderabad
B:-Nagpur
C:-Jhansi
D:-Lucknow
Correct Answer:- Option-C
Question97:-The audio autobiography of Dr. Varghese Kurien
A:-The man who made the Elephant dance
B:-I too had a dream
C:-An unfinished dream
D:-The Man with the billion litre idea
Correct Answer:- Option-A
Question98:-The defeciency of which of the trace mineral can lead to anaemia
A:-Iron
B:-Copper
C:-Cobalt
D:-All the above
Correct Answer:- Option-D
Question99:-Which of the following hormone provide the stimulus which lead to parturition
A:-Prolactin
B:-Progesterone
C:-Cortisol
D:-Thyroxine
Correct Answer:- Option-C
Question100:-The floor space required for a cow in the covered area of a loose house
A:-12 m²
B:-8.5 m²
C:-5 m²
D:-3.5 m²
Correct Answer:- Option-D
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