screening of microorganisms includes mcq screening of microorganisms includes mcq

Answer: B a) Cyanobacteria, Fungi and Viruses This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. All Rights Reserved. Clarification: Auxanographic technique proceeds with 2-plate preparation. Which of the following metabolic characteristic is a distinguishing characteristic and identification of colonies of. Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? (1) Screen organic acid-producing microbes. View Answer, 50. Sugar fermentation test: Bacteria is grown in a sugar media. b) light waves b) Antibiotic producers View Answer, 14. Full-form of ATCC is _________. Identify bacteriophage. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? c) Cyanobacteria D. Hanging Drop technique. B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. True Glycolysis can occur in ___________ a) fats 11. 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. b) Jenner 10-fold Creative Commons Attribution License Answer: A Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? Prokaryotes are unicellular microorganisms whose cells have no nucleus. a) Crowded plate technique B. Auxanographic technique View Answer, 8. 25. a)Microaerophilic. Which of the following statements is correct regarding secondary screening________. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . C) 72 oC for 15 seconds. Which of the following method is useful for the isolation and detection of organisms having the ability to produce growth factors? Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. Children are more susceptible to this disease. True. View Answer, 10. 6.8 - 7.2 b. View Answer, 6. The 1st plate is used to isolate and detect prototrophs whereas 2nd plate is used for identification of auxotrophs. As primary screening allows the detection and isolation of microorganisms which posses, potentially interesting industrial applications. A) organic acids. Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. 7. Which of the following plate is used to detect and isolate organic acid producers? d) Pour plate d) All of the mentioned c) Psychrophile c) 2.5 to 4 percent Often overlooked, hand-washing is one of the easiest and most effective ways to protect yourself from germs and most infections. A food chain comprising birds, green plants, fish and man. The cell structure of gram positive and gram negative bacteria appear as the picture given below after the gram staining procedure, Gram positive bacteria Gram negative bacteria. uses 100 grams of glucose in a 300ml solution. This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. 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. View Answer, 36. b) Thymol blue c) chitin d) Amino acid producers Which scientist proposed adding a kingdom for protists? Phagocytosis is a critical part of the immune system. Defined media and complex media are two broad classes of culture media used in microbiology. About Oracle NetSuite. View Answer, 14. 6. Phosphorus is essential component of __________ 10. c) Chemical assay b) aerobic cells d) Indicator dye technique 2011-2023 Sanfoundry. c) carbohydrates d) Coliforms Which isolation technique is most effective? a) Edwin John Butler A) are essential to microbe function. (3) Attempt to synthesized secondary metabolites outside of their natural environment. a) Cephaleuros Your health care provider will insert a special tool called a speculum into your vagina. Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? d) intercalating agents D) 134 oC for 1 second. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? 4. c) Gram-negative bacteria Crowded plate technique A) retards growth of Staphylococcus aureus. c) Organic acid producers 5. a) True The normal composition of feces includes all of the following except: A. Bacteria B. A) are among the most widely used preservatives. Therefore, the exact composition of a defined medium is known. Indeed, until Anton von Leeuwenhoek invented . View Answer, 15. The process is repeated several times until the requirement is met. citation tool such as, Authors: Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister, Brian M. Forster. Has three to five flagella at the posterior end B. c) Chlorella b) Xanthophycophyta 1. Plasmodium divides by which of the following method most commonly? 10. During the test, You will take off your clothes below your waist. 3. View Answer, 42. c) MacConkeys Agar plate Bacteria having clusters of flagella at both poles of cells are known as? The microorganisms secrete the enzymes into their nutrient medium to make better use of it. Secondary screening may be qualitative and quantitative in its approach. Which of the following is not related to microbes?a) Microbes are not ideal for biotechnologyb) Microbes produce chemicals during their metabolismc) Microbes can be grown on artificial mediumd) Microbes can live in highly acidic mediumAnswer: aClarification: Microbes can be grown on artificial cultures media where they form colonies. Which of the following was NOT a kingdom in Linnaeuss taxonomy? Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a c) cytoplasm 2. screening of microorganisms includes mcq; screening of microorganisms includes mcq. [2][3] S. aureus is found in the . [2] The term for organisms that retain the . b) Auxanographic technique 45) What are the types of general characteristics that are important for the identification and classification of protozoa? The Society's role is to help unlock and harness . c) neither aerobic and anaerobic cells b) Treponema pallidum 7. A. D) exposure. 6. 14. a) Micrococci Clarification: ATCC stands for American Type Culture Collection. d) Pedoviridae The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. Which shape of bacteria has been represented in the following diagram?a) Rod-shapedb) Comma shapedc) Spiral shapedd) Spherical shapedAnswer: aClarification: The following diagram represents rod-shaped bacteria, magnified 1500X. 10. C) new batches of microorganisms are screened for increased yield. 12. 2. a) Eremothecium ashbyi d) Nitrosovibrio tenuis B. c) parasitic infection b) The organism must be able to produce a high yield of product are not subject to the Creative Commons license and may not be reproduced without the prior and express written What are the methods of isolating the pure culture of microorganisms? b) 0.5 to 1.0 micrometer in diameter Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe. c) Pour-plate and spread plate 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. The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme Answer: A View Answer, 27. View Answer, 30. 12. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Automatic Type Counter & Classifier a) site of generation of protonmotive force Vaccination was invented by ____________ Methyl red Clarification: Hanging drop technique is used for motility testing of bacteria. Screens are made of long, closely spaced, narrow metal bars. b) cellulose View Answer, 3. It should not leave damage and odour. Microorganism Definition. These extracellular enzymes break up the giant molecules of the substrate into smaller ones that can feed the microorganisms. is affected by the patient's food intake on the day of testing. c) Spirochetes A microorganism is a living thing that is too small to be seen with the naked eye. The process is repeated several times until the requirement is met. C. Enrichment Culture technique It is colourless at pH 8.0 and becomes red at pH above 10.0. c) DNA polymerase I c) Chlorophycophyta a) Styloviridae a) Study of molecules that are visible to human eyes Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . View Answer, 12. 5. Which of the following media is used for screening amylase? It will immensely help anyone trying to crack an exam or an interview. 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. B) heat. d) electron beams b) an increase in number of cells a. Streptococcus pyogens b. a) changes in the total population You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. Which of the following method is not used in isolation and screening of desired microorganisms? A 7 year old girl developed a sore throat and fever for 2 days. Chapter 4: Clinical Virology MCQs. a) True All microbes are harmful to humankind.a) Trueb) FalseAnswer: bClarification: Although microbes cause a large number of diseases in human beings, various animals and plants, but not all microbes are harmful. D. Indicator dye technique. Sulphur can be utilized by bacteria in the a. Answer: C Which is the secondary stage? Dec 20, 2022 OpenStax. 1215, 1216 137, 1217 Particles in a biological aerosol usually vary in size from <1 m to 50 m. YB STUDY is an Indias largest Online learning website offers learning for classes 1 to 12 and competitive exams like NEET, JEE, Olympiads, NTSE, KVPY, State boards etc. If you are redistributing all or part of this book in a print format, (3) It does not provide many ideas about the production or yield potential of microorganisms. Candidiasis is a fungal infection, skin infection, and mouth or vaginal infection that can occur due to the overgrowth of the fungus. b) teichoic acid View Answer, 11. c) Bacillus thuringiensis 4.1: Prokaryote Habitats, Relationships, and Microbiomes. ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? In screening studies, it is recommended to use non-sterile soil, test different inoculation methods and different abiotic stresses, and even select microorganisms from plants under abiotic stress. c) Mumps c) 5 8 The screening is isolation and detection of microorganisms of interest. c) The optimum temperature for the growth of an organism must be above 50C. A) True Self-Assessment Quiz. 1999-2023, Rice University. ticks and fleas. A. a) Bacillariophycophyta Includes common viruses, bacteria, and parasites 1,2: Stool sample: Sensitive, certain positive results may be unrelated to active infection. Which of the following method is not used in isolation and screening of desired microorganisms? b) False c) Enrichment Culture technique d) Shortest wavelength of visible light used and an objective with the maximum numerical aperture b) irregular (1) It is useful in sorting microorganisms that have real commercial value. d) proteins 14. Tyrocidines are more effective against ___________________ a) Crowded plate technique b) Syphilis 1. B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. 4. The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. Screening includes primary screening and secondary screening. 3. A) substrates are added to the system all at once and runs until product is harvested. 13. b) below 1 percent Which of the following microorganism produces dextran? It is a non-profit organization and a key resource for medical research. Some examples of Spherical shaped bacteria include Staph aureus, Staph epidermidis, Staph haemolyticus, Strep pyrogenes, etc. In modern plants the screens are cleaned . b) transposons 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. The science of using living systems to benefit humankind is called biotechnology.Technically speaking, the domestication of plants and animals through farming and breeding practices is a type of biotechnology. Which of the following foods is NOT made by fermentation? a) Crowded plate technique Here are 1000 MCQs on Microbiology (Chapterwise), The Characterization, Classification and Identification of Microorganisms, The Microscopic Examination of Microorganisms, The Morphology and Fine Structure of Bacteria, Pure Cultures and Cultural Characteristics, Microbial Metabolism : Utilization of Energy and Biosynthesis, The Control of Microorganisms by Physical & Chemical Agents, Antibiotics and Other Chemotherapeutic Agents, Microbiology of Soil & Aquatic Microbiology, Microbiology of Domestic Water and Wastewater, Microbiology of Food, Industrial Microbiology & Bacterial Genetics, Microbial Flora of the Healthy Human Host, Host-Microbe Interactions : The Process of Infection, Microbial Agents of Disease : Bacteria & Viruses, Microbial Agents of Disease : Fungi and Protozoa, Microbiology MCQ: Major Characteristics of Microorganisms, Microbiology MCQ: Microbial Classification, Microbiology MCQ: Transmission Electron Microscope and Scanning Electron Microscope, Microbiology MCQ: The Size, Shape and Arrangement of Bacterial Cells, Microbiology MCQ: Structures External to the Cell Wall, Microbiology MCQ: Structures Internal to the Cell Wall, Microbiology MCQ: Nutritional Requirements, Microbiology MCQ: Physical Conditions Required for Growth, Microbiology MCQ: Reproduction Modes of Cell Division, Microbiology MCQ: Growth Cycle of Bacteria, Microbiology MCQ: Quantitative Measurement of Bacterial Growth, Microbiology MCQ: Cultural Characteristics, Microbiology MCQ: Some Principles of Bioenergetics, Microbiology MCQ: Energy Production by Anaerobic Processes, Microbiology MCQ: Energy Production by Aerobic Processes, Microbiology MCQ: Energy Production by Photosynthesis, Microbiology MCQ: Utilization of Energy in Nonbiosynthetic Processes, Microbiology MCQ: Utilization of Energy in Biosynthetic Processes, Microbiology MCQ: The Biosynthesis of Deoxyribonucleic Acid, Microbiology MCQ: Transcription and Translation of Genetic Information, Microbiology MCQ: The Process of Protein Synthesis, Microbiology MCQ: Aerobic Gram Negative Rods and Cocci, Microbiology MCQ: Facultatively Anaerobic Gram Negative Rods, Microbiology MCQ: Anaerobic Gram-Negative Straight, Curved and Helical Rods, Microbiology MCQ: The Rickettsias and Chlamydias, Microbiology MCQ: Endospore Forming Gram Positive Bacteria, Microbiology MCQ: Nonspore Forming Gram Positive Bacteria, Microbiology MCQ: Physiology and Cultivation of Fungi, Microbiology MCQ: Classification of Fungi, Microbiology MCQ: Some Fungi of Special Interest, Microbiology MCQ: The Biological and Economic Importance of Algae, Microbiology MCQ: Characteristics of Algae, Microbiology MCQ: Classification of Algae, Microbiology MCQ: Ecology and Importance of Protozoa, Microbiology MCQ: Reproduction of Protozoa, Microbiology MCQ: Characteristics of Some Major Groups of Protozoa, Microbiology MCQ: Morphology and Structure of Phages, Microbiology MCQ: Replication of Bacterial Viruses, Microbiology MCQ: Viruses and Vaccination, Microbiology MCQ: Structure and Composition, Microbiology MCQ: Classification of Viruses, Microbiology MCQ: Virus Infection and Fatal Diseases Associated with Viruses in Animals, Microbiology MCQ: Fundamentals of Control, Microbiology MCQ: Characteristics and Definition of Chemical Agents, Microbiology MCQ: Major Groups of Antimicrobial Agents, Microbiology MCQ: Evaluation of Antimicrobial Chemical Agents, Microbiology MCQ: Historical Highlights of Chemotherapy, Microbiology MCQ: Antibiotics and their Mode of Action, Microbiology MCQ: Microbiological Assay of Antibiotics, Antifungal, Antiviral and Antitumour Antibiotics, Microbiology MCQ: Interactions Among Soil Microorganisms, Microbiology MCQ: The Carbon Cycle & Sulphur Cycle, Microbiology MCQ: The Aquatic Environment, Microbiology MCQ: Distribution and Techniques for the Study of Aquatic Microorganisms, Microbiology MCQ: Productivity of Aquatic Microorganisms, Microbiology MCQ: Determining Sanitary Quality of Water, Microbiology MCQ: Wastewater and Treatment Processes, Microbiology MCQ: Microbial Flora of Fresh Foods, Microbiology MCQ: Microorganisms and Industry, Microbiology MCQ: Industrial Uses of Bacteria, Microbiology MCQ: Industrial Uses of Yeasts, Microbiology MCQ: Industrial Uses of Molds, Microbiology MCQ: Bacterial Recombination, Microbiology MCQ: Bacterial Transformation, Microbiology MCQ: Normal Flora and the Human Host, Microbiology MCQ: Distribution and Occurrence of the Normal Flora, Microbiology MCQ: Penetration of Epithelial Cell Layers, Microbiology MCQ: Events in Infection Following Penetration, Microbiology MCQ: Microbial Virulence Factors, Microbiology MCQ: Diseases Caused by Aerobic and Anaerobic Gram Negative Rods, Microbiology MCQ: Diseases Caused by Staphylococcus, Streptococcus and Bacillus, Microbiology MCQ: Diseases Caused by Clostridium, Corynebacterium and Mycobacterium, Microbiology MCQ: Viruses Containing Single Stranded RNA, Microbiology MCQ: Viruses Containing Double Stranded DNA, Microbiology MCQ: Diseases Caused by Fungi, Microbiology MCQ: Diseases Caused by Protozoa, Microbiology MCQ: Therapeutic Drugs for Treatment of Fungal and Protozoan Diseases, Environmental Biotechnology MCQ Questions, 1000 Data Structures & Algorithms II MCQs, 50k Electronics & Communication Engg MCQs. a) Mesophile Answer: A Which of the following method proceeds with 2-plate preparation? 2. 43) Which of the following methods are the most common and routine culture methods performed in the microbiology lab for the proper isolation and identification of bacteria and fungi? C) use of microbes in sewage and pollution control. 4. D) all of the above. The presence of E. coli in a drinking water sample almost always indicates recent fecal contamination, meaning there is a greater . 8.0 10.0 Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. 15. 8. Biology Multiple Choice Questions on Microbes. C. 1000-fold Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. Which among the following is not an ammonia-oxidizing bacteria? B. Thymol blue It is used to reduce the dense culture of cells to usable concentration. a) x-rays d) Coxiella burnetii b) RNA polymerase b) True View Answer, 9. d) Lactobacillus acidophilus False. Good work practices include, a. smelling and tasting chemicals . d) Rose Bengal Agar plate For which viral disease, vaccine has been recently developed through the use of tissue culture? Prokaryotes can be found everywhere on our planet, even in the most extreme environments. Clarification: The Auxanographic technique is used for the detection and isolation of the organisms which are growth factor producers. Note when energy and additional compounds are necessary for any of these mechanisms to operate. Answer: B c) Enrichment Culture technique View Answer, 11. a) DNA polymerase III Identification of bacteria by biochemical tests. c) beta-glucosidase Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . magic island poem tone Consult Now Auxanography technique is employed for detecting microorganisms able to produce__________. A) manipulating the growth environment. 9. B. Auxanographic technique B. Auxanographic technique The section contains questions and answers on energy utilization in biosynthetic and nonbiosynthetic processes, transcription and translation of genetic information and protein synthesis process. Which of the following is NOT a criterion for the choice of an organism? Ans: The steps adopted in a typical sewage treatment plant are as given below: ADVERTISEMENTS: lauren conrad and stephen colletti /; 2. View Answer, 8. Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome. Answer: 4. (2) It determines which microorganisms can produce a compound. b) Advanced treatment The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. In an ecosystem, herbivores represent. a) Crowded plate technique For this dilution, it may be said that the solution was diluted _______ D. Indicator dye technique. D. Rose Bengal Agar plate. Which of the following microorganism is eliminated in canned foods? B) plasmolyzes bacteria and fungi. Secondary screening may be qualitative and quantitative in its approach. Which of the following types of mutants can be isolated using the replica plate technique? b) The examination of the infection sites, c) They are prokaryotes in cellular organization. The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. Glycosylated hemoglobin: causes sickle cell anemia. A) True b) Corticoviridae 3. Except where otherwise noted, textbooks on this site 8. A. b) Auxanographic technique How do you isolate microorganisms in the air? APT test C. Elastase I D. Quantitative fecal fat testing: 6. This quiz is designed to help you assess how well you have learned the content of this lesson. Which of the following are the growth morphology of the protozoa? Q. Q.1: Screening of microorganisms includes . (2) Attempt to kill microorganisms outside of their natural environment. However, if environmental contamination can enter the system, pathogens could get in too. _______ are the agents that act as carriers of a pathogen and spread diseases. Categories: . What is the pH range of Bromophenol blue? lack of cell wall. 11. 6. d) both aerobic and anaerobic cells Which among the following are Spirochetes? the virus must be able to lyse red blood cells. 1. 3.0 4.6 Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. 3. 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. b) Rhodospirillum 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. As an Amazon Associate we earn from qualifying purchases. Diagram and name four mechanisms bacteria use to transport materials across the cytoplasmic membrane. View Answer, 44. Which among the following is a pathogenic algae for humans? b) Study of animals and their family The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. A. Which of the following types of microorganisms is photosynthetic? First link in any food chain is usually green plants because. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. Clarification: Phenol Red plate is used to detect and isolate organic acid producers. d) Measles d) Coliform bacteria. Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. d) cellulase Penicillin causes inhibition of Mycoplasmas. Which of the following is a type of fungal microorganism? Crowded plate technique b) Budding The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. a) plasmid 1. Each daughter cell is a clone of the parent cell. View Answer, 47. The respiratory chain of bacteria is associated with the _____________ The microorganisms are chosen based on the rest three criteria. The section contains questions and answers on biological and economic importance of algae, algae characteristics and classification, ecology and protozoa importance, protozoa characteristics, protozoa morphology and reproduction. Easy detection of the small percentage of useful microorganism. Crowded plate technique View Answer, 6. a) Vibrio cholerae Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. d) 6.4 8.0 C) maintain a high osmotic pressure to kill microorganisms. Bacterial cell grown on hydrocarbon wastes from the petroleum industry are a source of _____________ a) False View Answer, 26. c) prophage In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? Which among the following are microaerophilic bacteria? a) 1mm in diameter a) Algae determined to obtain accurate susceptibility results. Viral hemagglutination assays only work with certain types of viruses because. 5. d) DNA polymerase II the virus must not be able to lyse red blood cells. Which of the following dye is colourless at acidic pH and becomes red at basic pH? b. not washing hands before and after lab . d) Indicator dye technique D. American Type Classifier and Collection. coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. View Answer. 9. 5. C. Enrichment Culture technique Chrysolaminarin is the reserved food of ___________________ a) Growth Factor producers Pathogen testing is used to identify pathogenic organisms in manufacturing environments, ingredients or finished products that could harm the consumer. In this process the bacterium, which is a single cell, divides into two identical daughter cells. Clarification: The optimum temperature for the growth of an organism should be above 40C. (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. membranes of microorganisms. a) Spread-plate 1. 3. Who was the first to observe "animalcules" under the microscope? 2. View Answer, 21. View Answer, 3. False. View Answer, 45. 4. View Answer, 23. Microbes are certainly ideal for biotechnology. The microbes play a major role in nutrient cycling, decomposition, food spoilage, control and cause of diseases and biotechnology. Sanfoundry Global Education & Learning Series Fermentation Technology. Crowded plate technique 8. Incorporation of CaCO3 in medium is also used to__________. b) Microbacteria Clarification: The Enrichment culture technique is useful for the detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium. a) Treponema 5. 12. b) Auxanographic technique B) False, When in doubt, throw it out. b) Auxanographic technique B) False, Freezing at below -20 oC will kill most pathogenic food bacteria and inactivate toxins. d) Phaeophycophyta screening of microorganisms includes mcqshortest water tower in the world. Antibiotic producing microorganisms can be detected by the method__________, 5. then you must include on every digital page view the following attribution: Use the information below to generate a citation. However, in a contemporary sense, we associate biotechnology with the direct alteration of an organism's genetics to achieve desirable traits through the process of genetic engineering. b) Viruses d) Cristispira What does a viral DNA becomes after being associated with the bacterial chromosome? 3. 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. b) Rabies Place the gram of soil into the first tube with saline and SHAKE WELL. screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 b) gamma rays Gram positive bacterial cell wall takes the stain of crystal violet and appears, BIOCHEMISTRY, BIOMEDICINE & PHARMACEUTICS, Classification and identification of microorganisms, Branched Chain Amino Acid Metabolism and Maple Syrup Urine Disease, drugs for the treatment of cardiovascular diseases, MEDICAL MICROBIOLOGY gastrointestinal tract, Nosocomial infection/ hospital acquired infections, Lipid Metabolism: MCQs (Cholesterol, Triglycerides, and Other Lipids), MCQs on Sterilization and Disinfection - Decontamination, aseptic processes in laboratory and hospitals, Carbohydrate Metabolism: MCQ on Glycolysis & Gluconeogenesis.