screening of microorganisms includes mcqscreening of microorganisms includes mcq
Screens are made of long, closely spaced, narrow metal bars. Secondary screening can give information about (1) The genetic instability in microbial cultures (2) Number of products produced in a single fermentation (3) The structure of the product (4) All of the above. View Answer. 11. a) Crowded plate technique d) hydrophobic barrier and site of generation of protonmotive force View Answer, 24. There are various microorganisms types like bacteria, fungi, archaea, or protists. It should not leave damage and odour. Answer: A D) 134 oC for 1 second. c) DNA polymerase I Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes, (1) Detection and isolation of microorganisms that possess potentially interesting industrial application, (3) It helps in providing information regarding the product yield potentials of different isolates. Which of the following are true for cytoplasmic membrane? Acridine orange is which type of mutagen? For which viral disease, vaccine has been recently developed through the use of tissue culture? Vaccination was invented by ____________ To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. Has two nuclei C. Forms cysts D. Has a sucking disc E. Survives well in ordinary water, even when this is hot or contains chlorine or detergents, Flagellate parasite is the cause of vulvovaginitis in women in . a) Streptomyces sp. Answer: 1. It must be toxic to micro-organisms at concentrations well below the toxic thresholds of humans and higher animals so that it cannot negatively affect the animals or humans. d) Primary treatment They are mainly of two types: Primary and Secondary Screening Primary Screening : The effective screening must in one or few steps which allow the discarding of many valueless microorganisms, while at the . True. Our members have a unique depth and breadth of knowledge about the discipline. 7. Which of the following is the example of encapsulated gram-positive bacteria? View Answer, 17. chipotle corporate phone number . Detrimental effects of microorganisms in food include, Fermentation of grains usually results in production of, During malting, barley and other grains are broken down by, Milk fermentation to produce cheese is done initially by inoculating with, Pickles and sauerkraut share a common inoculum, which is. Clarification: Screening is the use of highly selective procedures to allow the detection and isolation of only those microorganisms of interest from a large microbial population. MCQ.8): In which of the following bacterial condition, fimbriae helps the bacteria to stick to the mucous membrane of the host? Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. View Answer, 15. View Answer, 2. Who is known as the father of Microbiology? a) anaerobic cells View Answer, 10. 1. The greatest resolution in light microscopy can be obtained with ___________ c) Enrichment Culture technique 7. a) American Type Culture Collection screening of microorganisms includes mcq. 8. The screening is isolation and detection of microorganisms of interest. 4. Bacteria having clusters of flagella at both poles of cells are known as? Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella pneumoniae. Answer: 4. These are non-enveloped viruses with a double-stranded DNA genome. The section contains multiple choice questions and answers on viruses, vaccination, structure, composition, viruses classification, virus infection and fatal diseases. Performance and sterility testing of media lots should also be determined and a) Neisseria gonorrhoeae. Antibiotic producers c) Objective lens b) Biological assay You may refer to the lesson text whenever you are unsure of the answer. A) heat below 100 oC. 2. c) Streptococci. a) Alcoholic beverages View Answer, 13. is affected by the patient's food intake on the day of testing. b) Automatic Type Counter & Classifier (3) It does not provide many ideas about the production or yield potential of microorganisms. Methyl red 2. 7. b) below 1 percent 2. Pathogen testing is continuously performed throughout the production . Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. 12. Which of the following is the primary screening method? c) Enrichment Culture technique b. 40) Biochemical tests are a common and conventional laboratory procedure in the differentiation and identification of enteric bacteria. 1. d) electron beams Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. a) chemical compounds True. Clarification: Adenoviruses cause respiratory infections. View Answer, 18. The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. b) Streak-plate Name three reserve materials synthesized by microorganisms and note which microbial groups C) sugar. View Answer, 33. c) Secondary treatment These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . d) Physical assay Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. Phosphorus is essential component of __________ 4.1: Prokaryote Habitats, Relationships, and Microbiomes. d) Indicator dye technique Definition: true bacteria; bacteria excluding the archaea. C) new batches of microorganisms are screened for increased yield. A) True MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? d) Phenol red It will immensely help anyone trying to crack an exam or an interview. c) The optimum temperature for the growth of an organism must be above 50C. Mycoplasma pneumoniae is an unusual bacteria with distinctive colonies which are. It is used to reduce the dense culture of cells to usable concentration. c) beta-glucosidase 3.0 4.6 a) Killing all microorganisms. a) False Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? Incorporation of CaCO3 in medium is also used to__________. c) prophage Note when energy and additional compounds are necessary for any of these mechanisms to operate. D. Phenol red. c) Chemical assay a) Styloviridae b) 0.5 to 1.0 micrometer in diameter b. Litmus milk test: When bacteria is grown in this medium, there may be the production of acids or alkali or even no change in pH. Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. d) Mycoplasmas Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. The section contains questions and answers on light microscope, microbial Stains, transmission and scanning electron microscope. Respiratory pathogens: Includes common viruses and atypical bacteria 2: NP swab: Pathogens may have prolonged shedding time; positive results may not rule out infection from other pathogens. c) Gram-negative bacteria (2) Attempt to kill microorganisms outside of their natural environment. d) gene B. Auxanographic technique d) Shortest wavelength of visible light used and an objective with the maximum numerical aperture False. a) Leuconostoc mesenteroides Penicillin causes inhibition of Mycoplasmas. 5. 5. The normal composition of feces includes all of the following except: A. Bacteria B. View Answer, 7. Which of the following is a prokaryotic microorganism? The Society's role is to help unlock and harness . This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. A) organic acids. c) Robert Koch 30 seconds. Full-form of ATCC is _________ 9. c) Spirillum volutans A routine GTT: is three hours long. Fermentation Products & Bioreactor Design, Fermentation Laboratory & Bioprocesses Design, SCADA System for Bioreactors, Beer & Brewing, Fermenting Vegetables & Sour Tonic Beverages, here is complete set of 1000+ Multiple Choice Questions and Answers, Prev - Fermentation Technology Questions and Answers Microbial Growth Kinetics FedBatch Culture, Next - Fermentation Technology Questions and Answers Preservation of Industrial Microorganisms, Certificate of Merit in Fermentation Technology, Fermentation Technology Certification Contest, Genetic Engineering Questions and Answers Database Screening and Screening by Nucleic Acid Hybridisation 1, Fermentation Technology Questions and Answers Improvement of Industrial Microorganisms, Fermentation Technology Questions and Answers Fermentation Products Recovery and Purification Chromatography, Genetic Engineering Questions and Answers Database Screening and Screening by Nucleic Acid Hybridisation 2, Mechanical Operations Questions and Answers Screening Equipments, Fermentation Technology Questions and Answers Microbial Growth Kinetics FedBatch Culture, Fermentation Technology Questions and Answers Aeration and Agitation Determination of Kla Values, Fermentation Technology Questions and Answers Microbial Growth Kinetics Continuous Culture, Fermentation Technology Questions and Answers Commercial Applications Surface, Submerged and Solid State Fermentation, Books on Engineering, Science and Technology, Chemical Process Technology MCQ Questions. Rickettsia species are carried by. 9. Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. 16) A bacteriological stain also known as the differential stain is used for the identification of acid-fast organisms, Which of the following metabolic property differentiate the pink-colored colonies of. 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? a) Crowded plate technique d) Lophotrichous A) are essential to microbe function. View Answer, 5. C. 5 8 Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. D. Indicator dye technique. Q. Vegetative bacteria are able to withstand adverse conditions better than protozoan cysts. View Answer. Through primary screening only few or many microorganism that produce a industrially . 4. Clarification: The Auxanographic technique is used for the detection and isolation of the organisms which are growth factor producers. d) Indicator dye technique b. not washing hands before and after lab . 3. Who was the first to observe "animalcules" under the microscope? C. The optimum temperature for the growth of an organism must be above 50C B. Auxanographic technique Answer: B 14. Which of the following method is useful for the isolation and detection of organisms having the ability to produce growth factors? He came with a lesion on the lower part of the left leg that according to him first appeared about a week before visiting the hospital. The process is repeated several times until the requirement is met. c) An objective with minimum numerical aperture 12. Crowded plate technique Which of the following statement is correct regarding primary screening________. Microbes are only present in hot and humid areas.a) Trueb) FalseAnswer: bClarification: Microbes occur everywhere- in soil, water, air, inside our bodies and that of other animals and plants. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? Clarification: The transfer of a 1ml solution to 9ml d/w is called as serial 10-fold dilution. Which of the following types of mutants can be isolated using the replica plate technique? A) manipulating the growth environment. MCQ on Our Environment Question 9. Secondary screening may be qualitative and quantitative in its approach. B. (4) This may be accomplished by paper, thin layer, chromatographic technique. a) fats d) The organism must be able to grow in an easily available nutrient medium Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . 1. A. What is required for proper isolation of microorganisms? b) The organism must be able to produce a high yield of product. D) are harvested during the exponential phase of growth. D. Indicator dye technique. Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. d) saprophytic View Answer, 12. Air Sampling. A) are among the most widely used preservatives. b) False b) Viruses OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. View Answer, 21. d) Pour plate Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. b) Candida utilis A BV test is done in a similar way as a pelvic exam or Pap smear. 5. screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 Clarification: Auxanographic technique proceeds with 2-plate preparation. Yeast cells are good source of. d) Pasteur Which of the following morphological characteristics is an important identification characteristic of. D. The organism must be able to grow in an easily available nutrient medium. b) Nitrosococcus oceanus d) intercalating agents Thank you so much for sharing. Which isolation technique is most effective? 4. D) exposure. The organic acid producers produce acid which changes the colour of media and is thus detected easily. A. b) Clostridium botulinum The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. It is the organization which has the largest department of Research and Development. Which of the following are important primary screening techniques? a) Mesophile b) Auxanographic technique 2. Who is considered the "father of Western medicine"? this would be absolutely amazing. Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. Which of the following enzyme removes the RNA primer with its 5-nuclease activity? a) Growth Factor producers Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a The section contains multiple choice questions and answers on normal flora, human host, normal flora distribution, microbial adherence, epithelial cell layers penetration and microbial virulence factors. 3. Defined media are prepared by adding precise amounts of highly purified inorganic or organic chemicals to distilled water. a) Regeneration C. Enrichment Culture technique Measles is a disease caused by a virus, it is spread via respiratory droplets. The bacterium Staphylococcus aureus is which type of bacteria? Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? a) peptidoglycan Sulphates are reduced to hydrogen sulphide by _____________________ 5. It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. It is done by using paper, thin layer or other chromatographic techniques. Which of the following method proceeds with 2-plate preparation? d) appendaged bacteria View Answer, 14. A. Phenol red plate c) Microviridae 2011-2023 Sanfoundry. View Answer, 8. Identify bacteriophage. For this dilution, it may be said that the solution was diluted _______ 6. The following diagram represents ____________a) Plate with wormsb) Colonies of bacteria on a petri dishc) Onion root cells on a plated) Cheek cellsAnswer: bClarification: The following diagram represents colonies of bacteria on a petri dish. View Answer, 6. What is required for proper isolation of microorganisms? a) 3.0 4.6 then you must include on every physical page the following attribution: If you are redistributing all or part of this book in a digital format, A. American Type Culture Collection 4. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Glycosylated hemoglobin: causes sickle cell anemia. These microorganisms have been often under-appreciated and under-studied. pH, cations, thymidine or thymine, use of supplemented media). The section contains MCQs on diseases caused by fungi and protozoa, therapeutic drugs for fungal treatment and protozoan diseases. d) 6.4 8.0 b) Antibiotic producers Blood C. Electrolytes D. Water: 5. 4. a) Phenol red plate d) The organism must be able to grow in an easily available nutrient medium. On the second day, the symptoms got worse and she was taken to the hospital. What is Microbiology? b) ribitol residues screening of microorganisms includes mcqshortest water tower in the world. View Answer, 6. 38) All of the following statements are correct about the most common bacteriological media called sheep blood agar that is used in the microbiology laboratory, b) Used for the culture of common fastidious bacteria, c) It is used for the culture of hemolytic bacteria. B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. Therefore, the exact composition of a defined medium is known. Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? a) Treponema Plasmodium divides by which of the following method most commonly? Which of the following method is used for the isolation of mutants? Lipopolysaccharide in cell walls is characteristic of? False. In batch fermentation, C) use of microbes in sewage and pollution control. MCQ on Industrial Microbiology. Each of the following organisms is an important cause of urinary tract infections except: a. Klebsiella pneumoniae b. Escherichia coli c. Bacteriodes fragilis d. Proteus mirabilis; A 30-year woman has non-bloody diarrhea for the past 14 hours. Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors?