Description : Which of the following (s) is/are the major spoilage of soft drinks from the marked growth of yeasts and bacteria? A.Cloudiness and ropiness B.Flat sour spoilage C.Superficial fungal spoilage D.Pin-spot molding
Last Answer : A.Cloudiness and ropiness
Last Answer : Cloudiness and ropiness
Description : _____ is used to make processed cheeses and "cheese foods." a. Sour curd b. Sweet curd c. Whey d. Butterfat
Last Answer : c. Whey
Description : Food must be moist, with a minimum water content of _____before contamination by microorganisms and spoilage can occur. a. 18% to 20% b. 10 to 15% c. 5 to 10% d. 0 to 5%
Last Answer : a. 18% to 20%
Description : Two types of grain spoilage are _____ and _____. A. aflatoxins, ergotism a. botulism, ergotism b. Staphlococcus, Streptococcus c. aflatoxins, enterotoxins
Last Answer : A. aflatoxins, ergotism
Description : The chief type of spoilage in sweetened condensed milk may be A.gas formation by sucrose fermenting yeasts B.thickening caused by micrococci C.mold colonies growing on the surface D.all of the above
Last Answer : D.all of the above
Description : The stomach is a chemical barrier to infection because the stomach a. Contains bile. b. Harbors helicobacterpylori, a member of the host microbiota. c. Possesses defensive cells. d. Has an acid ph.
Last Answer : d. Has an acid ph.
Description : What prevents extremes of pH in biological systems? a. acid b. bases c. buffers d. neutrons
Last Answer : c. buffers
Description : When sulfuric acid, a strong acid, is added to water, the pH of the solution a. Goes Up. b. Remains The Same. c. Goes Down. d. Cannot Be Determined.
Last Answer : c. Goes Down.
Description : Which one of the following statements about buffers is false? a. They work inside cells. b. They consist of a weak acid and weak base. c. They prevent pH shifts. d. They enhance chemical reactions.
Last Answer : d. They enhance chemical reactions.
Description : The butyric acid type of fermentation in acid or medium acid foods, with swelling of the containerby the carbon dioxide and hydrogen gas is caused by A.C. butyricum B.C. pasteurianum C.both (a) and (b) D.C. sporogenes
Last Answer : C.both (a) and (b)
Description : Marine teleosts, undergoing putrefaction, emit sharp characteristic foul odor, which is due to the production of
Last Answer : Marine teleosts, undergoing putrefaction, emit sharp characteristic foul odor, which is due to the ... Hydrogen sulfide C. Ammonia D. Lactic Acid
Description : Microbial degradation of nitrates into atmospheric nitrogen is known as- (1) Ammonification (2) Nitrification (3) Denitrification (4) Putrefaction
Last Answer : (3) Denitrification Explanation: Denitrification is the biological conversion of nitrate to nitrogen gas, nitric oxide or nitrous oxide. It refers to nitrate reduction by bacterial species such as ... (N2). These bacteria use nitrate as an electron acceptor instead of oxygen during respiration.
Description : Microbial degradation of nitrates into atmospheric nitrogen is known as : (1) Ammonification (2) Nitrification (3) Denitrification (4) Putrefaction
Last Answer : Denitrification
Description : Spoilage of oil can be detected by which fatty acid? (a) Oleic acid (b) Linolenic acid (c) Linoleic acid (d) Erucic acid.
Last Answer : (d) Erucic acid.
Description : Select from the following the statement which is true for bases. (a) Bases are bitter and turn blue litmus red. (b) Bases have a pH less than 7 (c) Bases are sour and change from red litmus to blue. (d) Bases turn pink when a drop of phenolphthalein is added to them.
Last Answer : Answer: (d) Bases turn pink when a drop of phenolphthalein is added to them.
Description : For most bacteria, the optimum pH for growth lies between A- .6.5-7.5 B- B.3.5-4.5 C-.4.5-5.5 D-.5.5-6.5
Last Answer : 6.5-7.5
Description : For the selection of lactobacilli present in cheddar cheese, the pH of the medium is Maintainedat A- 6.35 B- .5.35 C- 4.35 D- 5.75
Last Answer : .5.35
Description : To select cholera-causing bacterium, Vibrio cholerae, the pH of the medium is maintained at apH of A- 8.5 B-8.90 C-6.79 D- 3.5
Last Answer : 8.5
Description : In cheese manufacture, the microorganisms are important for (a) the ripening only (b) the souring of milk only (c) the development of resistance to spoilage only (d) both the souring and the ripening processes
Last Answer : (d) both the souring and the ripening processes.
Description : Which one of the following best describes the growth conditions for a typical fungus? a. pH 3; 23°C; no oxygen gas present b. pH 8; 30°C; no oxygen gas present c. pH 6; 30°C; oxygen gas present d. pH 3; 23°C; oxygen gas present
Last Answer : c. pH 6; 30°C; oxygen gas present
Description : All the following are chemical parameters considered when selecting an antiseptic or disinfectant except: a. Dehydration. b. Temperature. c. Stability. d. Ph
Last Answer : b. Temperature.
Description : Treponema species from human oral cavity can be selected by using A- pH of the medium B- .incubation temperature C- cell size and motility D- all of these
Last Answer : cell size and motility
Description : Which of the following bacteria can grow in alkaline pH? A- Shigella B- .Lactobacilli C- Salmonella D- Vibrio cholera
Last Answer : Vibrio cholera
Description : Which of the following bacteria can grow in acidic pH? A-Vibrio cholera B- Lactobacilli C- Shigella D-Salmonella
Last Answer : Lactobacilli
Description : Which of the following conditions are important for the growth of microbes? a. Temperature b. Gas c. pH d. Oxygen e. All the above
Last Answer : e. All the above
Description : The pH scale relates the measure of _______ of a chemical substance. a. ionization b. denaturation c. acidity d. buffering
Last Answer : c. acidity
Description : When people buy fat-free products, such as sour cream and butter, for health reasons, do they consider that the process those foods go through are probably worse for them than the natural fat?
Last Answer : Exactly. Most people are stupid.
Description : How do you fix a flat plasma screen when a vertical purple line is showing on the right side of a screen especially when the screen is blue. It is a telefunken plasma 54 inch. Help me please.?
Last Answer : What is the answer ?
Description : A market share pricing objective A)is not recommended when sales for the total industry are declining. B)is not especially useful when sales for the total industry are increasing. C)is not ... industry are flat. D)can be used effectively whether total industry sales are rising or falling.
Last Answer : D)can be used effectively whether total industry sales are rising or falling.
Description : Read the following four statement A,B,C and D and select the right opition having both correct statements. statements (a) Z scheme of light raction ta
Last Answer : Read the following four statement A,B,C and D and select the right opition having both correct statements. statements ... and C C. C and D D. B and D
Description : If a flat plate with a circular hole is subjected to tensile force, then its theoretical stress concentration factor is? a) 2 b) 3 c) 4 d) 1
Last Answer : b) 3
Description : The laminated springs are given initial curvature (a) To have uniform strength (b) To make it more economical (c) So that plates may become flat, when subjected to design load (d) None of these
Last Answer : (c) So that plates may become
Last Answer : (c) So that plates may become flat, when subjected to design load
Description : Define spoilage of food.
Last Answer : Spoilage of food refers to the deterioration, decay, or degradation of food products, rendering them unsafe or unpalatable for consumption. It occurs due to various factors, including the growth of ... , and proper packaging, are crucial in preventing spoilage and extending the shelf life of food.
Description : What are the factors for food Spoilage?
Last Answer : There are several factors that contribute to food spoilage. Here are some of the main factors: 1. Microorganisms: Bacteria, yeasts, molds, and other microorganisms are present in the environment and ... to discard any food that shows signs of spoilage to prevent the risk of foodborne illness.
Description : What do you mean by spoilage of landscape? -SST 10th
Last Answer : Spoilage of landscape is directly related to improper disposal o f wastes. The waste accumulation not only ruins the natural beauty of the land but also provide a home to rats and other ... organisms. Sources of these wastes may be paper mills, fertilizers manufacturing units, and mines etc.
Description : What are the reasons for spoilage of landscape? -SST 10th
Last Answer : Spoilage of landscape is due to improper disposal wastes, especially solid waste, it may include slag heaps from paper mills, waste from mines, fertilizer, etc. Even our household contributes a large no. of solid wastes like paper, plastic, vegetable waste, etc.
Description : What is Spoilage ?
Last Answer : : Waste or spoiled product during production is used as raw material in any other product, it is called useless or spoilage .
Description : What does removing oxygen removing moisture and killing spoilage do?
Description : A method by which food is kept out from spoilage after harvest
Last Answer : Ans. Preservation
Description : Value, used to assess the degree of spoilage (rancidity) of a fat or oil
Last Answer : Ans. Acid Number/Value
Description : Dormancy of seed is a biological mechanisms that provides protection against ______: a. Seed spoilage b. Embryo abortion c. Pre mature germination d. Dehydration
Last Answer : Pre mature germination
Description : Low-acid foods have pH values of ____ or less. a. 5.2 c. 3.9 b. 4.6 d. 4.2
Last Answer : b. 4.6
Description : Processed foods such as chicken pot pies, whole egg custard, mayonnaise, eggnog, and egg salad also may be sources of a. Staphylococcus b. Chlamydia c. Salmonella d. E.coli
Last Answer : c. Salmonella
Description : Which one of the following allergens is NOT associated with contact dermatitis? a. Foods b. Cosmetics c. Poison ivy d. Jewlery
Last Answer : a. Foods
Description : When is ionizing radiation used to sterilize? a. To Sterilize Vitamins b. For Preserving Foods c. To Sterilize Hormones d. To Sterilize Antibiotics e. All The Above
Last Answer : e. All The Above
Description : The elimination of pathogens in foods by irradiation is called a. The D Value. b. The Pasteurizing Dose. c. Incineration. d. Sterilization.
Last Answer : b. The Pasteurizing Dose.
Description : Undergraduate Jellies, would you mind taking 5 minutes to help out an underpaid TA with a survey?
Last Answer : answer:1. Health is #1 always. If I feel my body tensing up with stress, I make it my priority to relieve that. If I notice work piling up, I work hard at it, but I do everything I ... . CS has so many applications that I feel I will find something worthwhile to use my knowledge and abilities on.