PSC Dairy Extension Officer Solved Question Paper – 2015 (Part 4)

PSC Dairy Extension Officer Solved Question Paper – 2015 (Part 4)

Question 76:-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 Question 77:-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 Question 78:-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 Question 79:-Which is the buffalo breed from Uttar pradesh A:-Jaffarabadi B:-Murrah C:-Bhadawari D:-Nagpuri Correct Answer:- Option-C Question 80:-The normal respiration rate per minute in dairy cow is A:-15-20 B:-25-30 C:-35-40 D:-55-60 Correct Answer:-Question Cancelled Question 81:-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 Question 82:-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 Question 83:-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 Question 84:-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 Question 85:-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 Question 86:-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 Question 87:-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 Question 88:-The storage temperature needed for Cheddar cheese is A:-1°C B:-4°C C:–20°C D:–26°C Correct Answer:-Question Cancelled Question 89:-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 Question 90:-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 Question 91:-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 Question 92:-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 Question 93:-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 Question 94:-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 Question 95:-The Central Institute for research on cattle is located in A:-Meerut B:-Lucknow C:-Avikanagar D:-Karnal Correct Answer:- Option-A Question 96:-Indian Grassland and Fodder research institute is located in A:-Hyderabad B:-Nagpur C:-Jhansi D:-Lucknow Correct Answer:- Option-C Question 97:-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 Question 98:-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 Question 99:-Which of the following hormone provide the stimulus which lead to parturition A:-Prolactin B:-Progesterone C:-Cortisol D:-Thyroxine Correct Answer:- Option-C Question 100:-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 PSC Dairy Extension Officer Solved Question Paper – 2015 (Part 1) PSC Dairy Extension Officer Solved Question Paper – 2015 (Part 2) PSC Dairy Extension Officer Solved Question Paper – 2015 (Part 3) PSC Dairy Extension Officer Solved Question Paper – 2015 (Part 4)