Description : Which of the following procedures will not achieve sterilization: A. Hot air at 160ºC for 90mins B. Boiling water at 100ºC for 2 hours C. Autoclave at 121ºC under 15psi for 20 mins D. Dry heat at 177ºC for 60mins E. All of the above will achieve sterilisation
Last Answer : B. Boiling water at 100ºC for 2 hours
Description : An autoclave normally sterilizes material by heating the material to_____°C for minute‘s at__________ psi. a. 100; 10 30 b. 121.5; 15; 15 c. 100; 15; 0 d. 110; 30; 5
Last Answer : b. 121.5; 15; 15
Description : What is the setting for most autoclaves?a. 121oC at 15 psi for 15-30 minutes b. 100oC at 10 psi for 10-20 minutes c. 110oC at 21 psi for 20-30 min d. 150oC at 20 psi for 10-15 minutes
Last Answer : a. 121oC at 15 psi for 15-30 minutes
Description : Which of the following terms best fits the destruction of all living micobes, spores and viruses. a. Sanitization b. Sterilization c. Aseptic Technique d. Pasteurization
Last Answer : b. Sterilization
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 : All the following terms apply to microbial killing except: a. Sterilization. b. Microbicidal. c. Bactericidal. d. Fungistatic.
Last Answer : d. Fungistatic
Description : What surgical practice was established by Lister? a. antisepsis b. chemotherapy c. variolation d. sterilization
Last Answer : a. antisepsis
Description : Suitable method of sterilization of powders is - - - - - - - - A Autoclaving B Hot Air Oven C UV radiation D Gaseous
Last Answer : B Hot Air Oven
Description : Microorganism used as biological indicator for sterilization by ionizing radiations A Bacillus subtilis B Bacillus pumilus C Salmonella typhi D Serratia marcescens
Last Answer : B Bacillus pumilus
Description : Sterilization potency of which of the following method is highest? A Filtration B Hot Air oven C Ultra sound waves D Autoclaving
Last Answer : D Autoclaving
Description : Browne’s tubes are the most commonly used indicator for _ _ _ _ _ _ _ _ A Heat sterilization B Radiation sterilization C Gaseous sterilization D Filtration sterilization
Last Answer : A Heat sterilization
Description : Temperature and duration in Flash method of Pasteurization is A 62.9℃, 30 min B 71.6℃, 30 min C 71.6℃, 15 seconds D 62.9℃, 15 seconds
Last Answer : C 71.6℃, 15 seconds
Description : How long do you cook 1.62 lbs for 26 min per pound?
Last Answer : To answer a question we need a what,who, where, why, or howquestion. Your question leaves out the what.
Description : Temperature and pressure in urea autoclave is (A) 120°C and 300 atm (B) 190°C and 200 atm (C) 400°C and 550 atm (D) 200°C and 10 atm
Last Answer : (B) 190°C and 200 atm
Description : The size of a single plant cell is usually within the range of A.10-20μm in diameter and 25-100μm long B.20-40μm in diameter and 100-200μm long C.40-60μm in diameter and 200-300μm long D.60-80μm in diameter and 300-400μm long
Last Answer : B.20-40μm in diameter and 100-200μm long
Description : What is the approximate weight in pounds of the atmosphere on a 1 sq. ft. surface at sea level? w) 15 lbs. x) 1500 lbs. y) 2100 lbs. z) 20,000 lbs.
Last Answer : ANSWER: Y -- 2100 LBS.
Description : Excluding the stoppages, the speed of a bus is 64 km/hr and including the stoppages the speed of the bus is 48km/hr. For how many minutes does the bus stop per hour? 1) 15 min 2) 10 min 3) 12 min 4) 20 min 5) 18 min
Last Answer : 1) 15 min
Description : For the liquid phase zero order irreversible reaction A → B, the conversion of A in a CSTR is found to be 0.3 at a space velocity of 0.1min -1 . What will be the conversion for a PFR with a space velocity of 0.2 min ... conditions are the same for CSTR and PFR. (A) 0.15 (B) 0.30 (C) 0.60 (D) 0.90
Last Answer : (C) 0.60
Description : The composition of fresh feed to the high temperature, high pressure urea autoclave is (A) Excess liquid ammonia and liquefied CO2 (B) Excess liquid ammonia and compressed CO2 gas (C) Liquid ammonia and excess compressed CO2 (D) Compressed ammonia gas and excess compressed CO2
Last Answer : (B) Excess liquid ammonia and compressed CO2 gas
Description : A reactor is generally termed as an autoclave, when it is a (A) High pressure batch reactor (B) Atmospheric pressure tank reactor (C) High pressure tubular reactor (D) Atmospheric pressure CSTR
Last Answer : A) High pressure batch reactor
Description : In the process of freeze drying, a dense cell suspension is placed in small vials and is frozen at A- 60 to -78°C B- 20 to -30°C C- 30 to -48°C D- 48 to -58°C
Last Answer : - 60 to -78°C
Description : The normal Tm in mg/min/1.73 sqm for PAH is (A) 20 (B) 40 (C) 60 (D) 80
Last Answer : Answer : D
Description : The normal values for creatinine clearance varies from (A) 20–40 ml/min (B) 40–60 ml/min (C) 70–85 ml/min (D) 95–105 ml/min
Description : Hdrogen peroxide a. Is An Effective Sterilant. b. Cross-Links Proteins And Nucleic Acids. c. Can Emulsify And Solubilize Pathogens. d. Is Not Recommended For Use On Open Wounds.
Last Answer : a. Is An Effective Sterilant.
Description : Which of the following is recommended for the improvement in flavor during ageing of beef under controlled conditions? A.Thamnidium B.Rhizopus C.T. elegans D.M. mucedo
Last Answer : A.Thamnidium
Description : How do I ship, inexpensively, my two dogs (Golden Retriever 60 lbs and Labrador puppy 30 lbs) along with 2 cats (Siamese mix) to TX from PR?
Last Answer : answer:Step 1)Mix foam packing peanuts and pet food together Step 2)Place pet in box Step 3)Cover pet in peanut/food mixture Step 4)Seal box Step 5)AIR HOLES!! Step 6)Schedule UPS Pickup Repeat as necessary.
Description : .If a 1:600 dilution of a test compound kills a standard population of Staphylococcus aureus in 10minutes but not 5 minutes while a 1:60 dilution of phenol kills the population in thesame time, what is the phenol coefficient of the test compound? A- 1 B- 5 C- .10 D- .50
Last Answer : .10
Description : The minimum recommended diameter of sewers, is A. 5 cm B. 10 cm C. 15 cm D. 20 cm
Last Answer : ANS: C
Description : Three pumps, M, N and O are opened to fill a tank such that M and N can fill the tank alone in 18 min. and 23 min. respectively and O can empty it in 15 min. After 3 minutes the emptying pipe is closed. In how many minutes the tank will be full in this way? A) 20 B) 25 C) 18 D) 12
Last Answer : D Let the tank full in x minutes, then M and N opened for x minutes and O for 3 minutes. (1/18 + 1/23)*x – (1/15)*3 = 1 (23+18/414)X=1+1/5 Solve, x = 12
Description : The drainage area of a town is 12 hectares. Its 40% area is hard pavement ( K = 0.85), the 40% area is unpaved streets (K = 0.20) and the remaining is wooded areas (K = 0.15). Assuming the time of concentration ... 60) the maximum run off is A. 0.10 cumec B. 0.12 cumec C. 0.15 cumec D. 0.20 cumec
Description : To ensure that bullock carts may not overturn on curves, the maximum value of super-elevation, recommended by I.R.C., is (A) 1 in 10 (B) 1 in 12 (C) 1 in 15 (D) 1 in 20
Last Answer : Answer: Option C
Description : The concrete under water minimum grade of cement recommended by IS code a) M 10 b) M 15 c) M 20* d) M 25
Last Answer : c) M 20*
Description : The concentration of agar to obtain semi solid media is A- 1.5-20%B- 0.5% or less C- >10% D- 10%but
Last Answer : 0.5% or less
Description : Discuss in brief gaseous sterilization using ethylene oxide.
Last Answer : Gaseous sterilization using Ethylene oxide: It is gas at room temperature, highly inflammable & forms explosive mixture with air. This disadvantage can be overcome by using mixture of 10% ethylene ... toxic & inflammable gas. Sophisticated instruments are required & skilled persons are needed.
Description : Give principle, method and application of sterilization using UV radiation.
Last Answer : Principle: Direct sunlight can destroy the microorganism on account of its ultra-violet rays of longer wave length. UV light of shorter wavelength kills or inactivates microorganisms by ... . Sterilization of thermolabile material. Sterilization of surface of working table.
Description : Give the significance of sterilization using bactericidal solution, explain the method and name the bactericidal agents.
Last Answer : Significance: The lethal effect of bactericide increases with the rise of temperature. This method is used for sterilizing aqueous preparation, which is unstable at the higher temperature, hence moist heat ... minutes in boiling water. IP 1985 permitted the use of following bactericides
Description : Fertilizer dose recommended for a crop of Groundnut is N:P:K, respectively (a) 20-40: 50-60: 30-40 (b) 40-50: 50-60: 30-40 (c) 20-40 : 60-80: 30-50 (d) 40-50 : 60-80: 30-50
Last Answer : (a) 20-40: 50-60: 30-40
Description : Minimum rail section recommended for section having traffic more than 20 GMT is (a) 90 UTS (b) 52 Kg. (c) 60 Kg.* (d) None of the above.
Last Answer : (c) 60 Kg.
Description : 1000 Kg of liquid at 30°C in a well stirred vessel has to be heated to 120°C, using immersed coils carrying condensing steam at 150°C. The area of the steam coils is 1.2 m2 and the overall heat transfer co-efficient to the ... will be (A) 15 min (B) 22 min (C) 44 min (D) 51 min
Last Answer : (D) 51 min
Description : Stringent anaerobes can be grown in a media by taking special measure as A.boiling the media for several minutes B.addition of cysteine C.passing through oxygen-free nitrogen D.any of these
Last Answer : D.any of these
Description : Stringent anaerobes can be grown in a media by taking special measure as A- boiling the media for several minutes B- addition of cysteine C- passing through oxygen-free nitrogen D- any of these
Last Answer : any of these
Description : Selective media facilitate growth of only one kind of organism.Saboraud medium is used to selectively isolate A- coliform bacteria B- gram positive bacteria C- .yeasts D- acid fast organisms
Last Answer : .yeasts
Description : Peptone water and nutrient broth are A- selective media B- enriched media C- basal media D- none of these
Last Answer : basal media
Description : Agar is used for solidifying culture media because A-it does not affect by the growth of bacteria B-it does not add to the nutritive properties of the medium C-the melting and solidifying points of agar solution are not the same D-all of the above
Last Answer : all of the above
Description : The solidifying agent commonly used in preparation of media is/are A-agar B-silica gel C-both (a) and (b) D-none of these
Last Answer : both (a) and (b)
Description : Which of the following is used for the proper maintenance and preservation of pure cultures? A- Periodic transfer to fresh media B- Preservation by overlaying cultures with mineral oil C- Preservation by lyophilization D- All of the above
Last Answer : All of the above
Description : Peptone water and nutrient broth are - - - - - - - type of media A Basal media B Specialized media C Deferential media D Enriched media
Last Answer : A Basal media
Description : Can darts be sterilized in an autoclave?
Last Answer : I think they would get sterilized yes but I wouldn’t put darts that have any other parts but metal into an autoclave (also you’ve got kinky and pleasure in your topics next to darts and autoclave…now there’s an interesting combination)