Description : Which of the given food is preserved by drying method? a) milk b)papaya c)jam d)jelly
Last Answer : b)papaya
Description : Unicellular microscopic fungi is _________ a) yeast b)mould c)toadstool d)penicillium
Last Answer : a) yeast
Description : Typhoid spreads through _________. a) contaminated water b)air c)animal d)insects
Last Answer : a) contaminated water
Description : The ________ disease can be prevented by maintaining good personal hygiene. a) cholera b)tuberculosis c)ringworm d)malaria
Last Answer : c)ringworm
Description : Most of the bacteria in food are killed by ________. a) HCl b) NaCl c) HNo3 d) water
Last Answer : a) HCl
Description : Organ systems which are exposed to external environment are protected from bacteria by presence of ___________. a)mucus membrane b)HCl c)hairs d)plug
Last Answer : a)mucus membrane
Description : Baker’s yeast produce gas which helps in rising of dough is ____________. a) oxygen b)hydrogen c)carbon dioxide d)nitrogen
Last Answer : c)carbon dioxide
Description : Deadly disease which is caused by parasitic microorganism called plasmodium is ______. a) malaria b)dengue c)polio d)rubella
Last Answer : a) malaria
Description : Ability to eat away germ is speciality of ________. a)red blood cell b)white blood cell c)liver d)plasma
Last Answer : b)white blood cell
Description : Hyperthermophiles are micro organism which live at ____________. a) temperatures between 80^o-122^0 c)cold desert b) very low temperatures d)salt water lake
Last Answer : a) temperatures between 80^o-122^0
Description : Red rot of sugarcane is caused by which microorganism? a) bacteria b)virus c)fungus d)none
Last Answer : c)fungus
Description : Foot and Mouth is a disease caused in cattle by __________. a) bacteria b)virus c)fungi d)none
Last Answer : b)virus
Description : ______ helps in fixation of nitrogen in rice field in association with root of Cycas plant. a) rhizobium b)fungus c)cyano bacteria d)bacteria
Last Answer : c)cyano bacteria
Description : _____ is the natural ability of an organism to have an inbuilt mechanism to resist and destroy the infection. a) antibiotic b)immunity c)antibodies d)none
Last Answer : b)immunity
Description : ______ is chemical produced by fungus which inhibit the growth of other harmful microorganisms. a) antibiotic b)antibodies c)vaccine d)immunity
Last Answer : a) antibiotic
Description : _______ is suspension of dead or weakened microbes. a) vaccine b)antibodies c)antibiotics d)bacteria
Last Answer : a) vaccine
Description : ______ is microorganism that can be crystallized and kept in jar for many days. a) bacteria b)fungi c)virus d)protozoa
Last Answer : c)virus
Description : A thermal process mostly used for vegetables prior to freezing, drying, or canning in order to soften the texture.
Last Answer : Ans. Blanching
Description : Pick out the wrong statement. (A) Pasteurisation of milk involves moderate heating followed by cooling (B) Bakeries and breweries make use of yeasts (C) Enzyme is a complex nitrogenous compound (D) Oils and fats are alkaloids
Last Answer : (D) Oils and fats are alkaloids
Description : Pasteurisation of milk means (A) Removal of fatty and albuminous substance from it (B) Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics (C) Inhibiting the growth of micro-organisms without killing them (D) None of these
Last Answer : (B) Killing of organisms present in it by heating it at controlled temperature without changing its natural characteristics
Description : Pasteurisation of milk means– (1) heating of milk to above 72°C (2) heating of milk to above 62°C (3) cooling of milk to about 62°C (4) cooling of milk to about 10°C
Last Answer : heating of milk to above 62°C
Description : _________ nuclear reactor does not require a heat exchanger tosupply steam to power turbine. (A) Molten sodium cooled (B) Helium cooled (C) Boiling water (D) Pressurised water
Last Answer : (C) Boiling water
Description : Pick out the wrong statement. (A) Packed towers are preferred for vacuum operation, because the pressure drop through the packing is less and they (packings) also lessen the ... of liquid, problem of channelling, loading & flooding is generally encountered in packed towers
Last Answer : (C) Diameter of randomly packed tower is normally more than 1.2 metres
Description : Vacuum is applied in __________ zone, in case of a general type continuous rotary drum vacuum filter. (A) Filtering (B) Washing (C) Drying (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Drying operation under vacuum is carried out to (A) Dry those materials which have very high unbound moisture content (B) Reduce drying temperature (C) Increase drying temperature (D) Dry materials having high bound moisture content
Last Answer : (B) Reduce drying temperature
Description : Drying of refractory is normally carried out in a __________ dryer. (A) Open pan (B) Tray (C) Rotary vacuum (D) Truck/tunnel
Last Answer : (D) Truck/tunnel
Description : Large scale drying of wheat is done in a __________ dryer. (A) Fluidised bed (B) Spouted bed (C) Tray (D) Vacuum rotary
Last Answer : (B) Spouted bed
Description : Common salt is generally not produced commonly by __________ method from brine. (A) Freeze drying (B) Electrolytic (C) Solar evaporation (D) Vacuum evaporation
Last Answer : (A) Freeze drying
Description : Good quality of edible salt is obtained from brine by the process of (A) Solar evaporation (B) Vacuum evaporation (C) Freeze drying (D) Electrolysis
Last Answer : (B) Vacuum evaporation
Description : The heat treatment applied to milk before distribution to stabilize and to remove disease causing bacteria is called as – (1) Pasteurisation (2) Fermentation (3) Coagulation (4) Homogenisation
Last Answer : (1) Pasteurisation Explanation: Pasteurisation is a process of heating milk for 30 minutes at 62° C and cooling rapidly to kill harmful bacteria.
Description : Pasteurisation is the process in which milk is heated to – (1) 60°C for 10 minutes (2) 63° C for 20 minutes (3) 63°C for 30 minutes (4) 72°C for 10 minutes
Last Answer : (3) 63°C for 30 minutes Explanation: Pasteurization for pasteurisation) is a process of heating a food, which is usually a liquid, to a specific temperature for a predefined length of time ... (assuming the pasteurized product is stored as indicated and is consumed before its expiration date).
Description : For pasteurisation of milk by Flash method, at which temperature is milk heated?
Last Answer : 100°C
Description : What do you mean by “Tyndallisation” and “Pasteurisation”. State the methods of pasteurisation.
Last Answer : Tyndallisation : This is a fractional sterilization method. This method is used for sterilization of medicaments unstable at 1150C but able to withstand low temperature heating. This method consist of ... High Temperature Short Time (HTST) Vat pasteurization Ultra High Temperature(UHT)
Description : The heat treatment applied to milk before distribution to stabilize and to remove disease causing bacteria is called as : (1) Pasteurisation (2) Fermentation (3) Coagulation (4) Homogenisation
Last Answer : Pasteurisation
Description : Pasteurisation is the process in which milk is heated to (1) 60°C for 10 minutes (2) 63° C for 20 minutes (3) 63°C for 30 minutes (4) 72°C for 10 minutes
Last Answer : 63°C for 30 minutes
Description : Coke oven gas after passing through return electrostatic tar precipitator (RETP) is used for the (A) Hot scarfing of steel slabs (B) Mixing with blast furnace gas (C) Coke oven battery heating (D) Steel ladle drying
Last Answer : (C) Coke oven battery heating
Description : Steam produced in a boiler can be used for a variety of purposes including space heating, drying and _________________ a. Sterilization b. Humidification c. Power generation d. All of above
Last Answer : d. All of above
Description : Carbonisation of coal consists of A. drying and crushing the coal to a fine powder B. moulding the finely ground coal under pressure with or without a binding material C. heating the wood with a limited supply of air to temperature not less than 280°C D. none of the above
Last Answer : Answer: D
Description : Do you have any packing and moving tips for someone moving a short distance?
Last Answer : Don’t forget the kids.
Description : Why do we feel pressurised at the checkout ?
Last Answer : Delays are a normal part of technology, just don’t be so paranoid about it and relax.
Description : Which financial agency pressurised the government of Bolivia to give an MNC, control over water supply arrangements in the city of Cochabamba? -SST 10th
Last Answer : The World Bank pressurised the government of Bolivia to give an MNC, control over water supply arrangements in the city of Cochabamba.
Description : In which reactor the coolant and moderator are the same ? Pressurised water reactor.
Last Answer : Pressurised water reactor.
Description : Nuclear power reactor located at Tarapur is of __________ type. (A) Fast breeder (B) Pressurised water (C) Boiling water (D) Gas cooled
Description : A boiling water reactor is the one, in which the (A) Coolant water is allowed to boil in the core of the reactor (B) Coolant water, after being heated in the reactor core, generates steam ... water is pumped into the core (D) Fuel and the coolant are thoroughly mixed to form a homogeneous solution
Last Answer : (A) Coolant water is allowed to boil in the core of the reactor
Description : In a pressurised water reactor (PWR), the (A) Fuel is natural uranium and heavy water acts both as moderator & coolant (B) Coolant water boils in the core of the reactor (C) Coolant water is pressurised to prevent bulk boiling of water in the core (D) Use of moderator is not required
Last Answer : (C) Coolant water is pressurised to prevent bulk boiling of water in the core
Description : A pressurised water reactor (PWR) uses pressurised water as a (A) Coolant (B) Working fluid in power turbine (C) Moderator (D) None of these
Last Answer : (A) Coolant
Description : Pressure in a Pressurised Water Reactor (PWR) is used for (A) Maintaining constant pressure in the primary cooling circuit under varying loads (B) Superheating the steam (C) Pressurising the water in the primary coolant circuit (D) None of these
Last Answer : (A) Maintaining constant pressure in the primary cooling circuit under varying loads
Description : Heavy water is used as a moderator in a (A) Pressurised water reactor (PWR) (B) Boiling water reactor (BWR) (C) Candu reactor (D) Molten sodium cooled reactor
Last Answer : (C) Candu reactor
Description : Which of the following types of nuclear reactors is most prone to radioactive hazards? (A) Pressurised water reactor (B) Gas cooled reactor (C) Molten sodium cooled reactor (D) Boiling water reactor
Last Answer : (D) Boiling water reactor
Description : Which of the following nuclear reactors is the most efficient thermodynamically while operating between the same temperature and pressure limits of the reactor? (A) Molten sodium cooled (B) CO2 gas cooled (C) Pressurised water (D) Boiling water
Last Answer : (D) Boiling water