screening of microorganisms includes mcq

Antibiotic producers b) The organism must be able to produce a high yield of product D. 6.4 8.0. Automatic Type Counter & Classifier A. Prokaryotes can be found everywhere on our planet, even in the most extreme environments. 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. Which of the following is not a subfield of microbiology? 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. ticks and fleas. True The section contains MCQs on chemotherapy historical highlights, antibiotics and their actions, microbiological assay of antibiotics, antifungal, antiviral and antitumour antibiotics. Which of the following plate is used to detect and isolate organic acid producers? (4) This may be accomplished by paper, thin layer, chromatographic technique. Which among the following is a pathogenic algae for humans? View Answer, 36. Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. Which one of the following is called as the 'brewers yeast'. a) Styloviridae d) appendaged bacteria c) 5 8 Incorporation of CaCO3 in medium is also used to__________. a) Condenser lens d) Nitrosovibrio tenuis It is done by using paper, thin layer or other chromatographic techniques. Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? Auxanography technique is employed for detecting microorganisms able to produce__________. View Answer, 42. Mycoplasma pneumoniae is an unusual bacteria with distinctive colonies which are. The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo During the test, You will take off your clothes below your waist. Primary Screening of Microorganisms: Primary screening may be defined as detection and isolation of the desired microorganism based on its qualitative ability to produce the desired product like antibiotic or amino acid or an enzyme etc. View Answer, 37. Candidiasis is a fungal infection, skin infection, and mouth or vaginal infection that can occur due to the overgrowth of the fungus. 10. The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. Bacteria do not grow at a water activity level below 0.91 and require neutral pH (6.5-7) to cause food spoilage (e.g. b) coliforms Who proposed that swamps might harbor tiny, disease-causing animals too small to see? Name three reserve materials synthesized by microorganisms and note which microbial groups Has three to five flagella at the posterior end B. Multiple Choice. d) Bacillus polymyxa 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. 8. b) teichoic acid are not subject to the Creative Commons license and may not be reproduced without the prior and express written Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . d) proteins Blood C. Electrolytes D. Water: 5. 6.8 - 7.2 b. 2. (2) It determines which microorganisms can produce a compound. A) radiation. c) DNA polymerase I b) Biological assay 1g of soil is added to that test tube and the soil is allowed to settle down. For which viral disease, vaccine has been recently developed through the use of tissue culture? b) Mesophile and psychrophile d) both aerobic and anaerobic cells Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? A. 2. MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe. 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. Screening - It refers to the isolation of only those microorganisms which are of interest from among a large population of microbes. d) mitochondrial membrane Growth of bacteria or microorganisms refer to __________________ c) Chlorella d) Lophotrichous A) True View Answer, 35. Which of the following method is not used in isolation and screening of desired microorganisms? The lesson covers the complete explanation of class 8 Chapter 2 Microorganisms.Topics covered are Introduction to Micro-organisms and microbiology, different types of Micro-organisms, Useful and Harmful Micro-organisms. 5. d) chitin, cellulose, or hemicellulose c) Mumps 8. 8. 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 types of microorganisms is photosynthetic? View Answer, 22. Wash your hands with soap and water for at least 20 seconds. C. 1000-fold 30 seconds. View Answer, 30. The bacterium Staphylococcus aureus is which type of bacteria? The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. A. c) Cyanobacteria c) Organic acid producers answer choices. Some strains, however, can cause illness. c) Streptococci. Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . Microbes are certainly ideal for biotechnology. Which of the following statements about food chain and energy . 2011-2023 Sanfoundry. B. Auxanographic technique All Rights Reserved. requires five blood samples . What are the cell wall structural components of fungi? c) Secondary treatment 10. For this dilution, it may be said that the solution was diluted _______ d) All of the mentioned Glycosylated hemoglobin: causes sickle cell anemia. Clarification: Phenolphthalein has a pH range between 8.0 10.0. Allow discarding of many valueless microbes. View Answer, 48. Answer: B Clarification: The pH range of Bromophenol blue is 3.0 4.6. MCQ on Our Environment Question 9. A. b) RNA polymerase c) holozoic a) viral infection Which of the following is NOT a criterion for the choice of an organism? A test tube contains 9ml distilled water. C) sugar. Answer: B 10-fold c) An objective with minimum numerical aperture 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. 11. b) Treponema pallidum View Answer, 10. d) Indicator dye technique 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. 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. View Answer, 15. d) Coliform bacteria. 14. Q.1. b) Borrelia Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. 3. a) changes in the total population View Answer, 4. 9. (1) It is useful in sorting microorganisms that have real commercial value. A) organic acids. Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. 13. Complex media are prepared using digests of microbial, animal, or . The process is repeated several times until the requirement is met. However, if environmental contamination can enter the system, pathogens could get in too. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. membranes of microorganisms. You may refer to the lesson text whenever you are unsure of the answer. a) Leuconostoc citrovorum a) Lactobacillus Secondary screening may be qualitative and quantitative in its approach. 12. A 19-year-old male living in a tropical region of India visited the hospital. Bioremediation of polluants utilizing biodegradation abilities of microorganisms include the natural attenuation, although it may be enhanced by engineered techniques, either by addition of selected microorganisms (bioaugmentation) or by biostimulation, where nutrients are added. Prokaryotes are unicellular microorganisms whose cells have no nucleus. A) True False. a) Crowded plate technique a) S mallpox lauren conrad and stephen colletti /; 2. 5. The section contains MCQs on size, shape and arrangement of bacterial cells, cell wall, structures external and internal to the cell wall. c) Bacillus thuringiensis c) ribitol or glycerol residues a) viruses Salting, as a preservative, Microbiology is the study of : 3. a) Leuconostoc mesenteroides View Answer, 13. ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. d) Pedoviridae D) A and C . d) Phenol red C. Enrichment Culture technique Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. b) Jenner Study with Quizlet and memorize flashcards containing terms like Which of the following is true about the trichomonas vaginalis? 4. b) hydrophilic barrier 42) Which of the following are the routine diagnostic methods performed for the microbial examination of blood specimens collected from a patient with a high fever for more than 2 days? b) Streak-plate b) Auxanographic technique d) Thermophile 1. It is done by using paper, thin layer or other chromatographic techniques. False. d) hydrophobic barrier and site of generation of protonmotive force Answer: A 7. Which scientist proposed adding a kingdom for protists? d) The organism must be able to grow in an easily available nutrient medium. then you must include on every digital page view the following attribution: Use the information below to generate a citation. a) glycerol residues a) Crowded plate technique A. (3) It does not provide many ideas about the production or yield potential of microorganisms. b) Rhodospirillum b) Fermented dairy products screening of microorganisms includes mcqshortest water tower in the world. b) True C) selecting microbial strains that lack a feedback system. A. A) True How to avoid the spreading of Microorganisms has been discussed. c) Saccharomyces cerevisiae Definition: true bacteria; bacteria excluding the archaea. True. 44) Which of the following microorganisms can grow only as strict intracellular parasites? d) electron beams 13. A. 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. 3. b) Viruses b) Clostridium botulinum d) Measles Gram negative bacteria take the color of safranin stain and appear pink or red. Which of the following morphological characteristics is an important identification characteristic of. a) parasitic The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. d) American Type Classifier and Collection 1. Answer: A View Answer, 26. The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. 9. Cellulose is degraded to cellobiose by the enzyme __________________ b) Auxanographic technique Primary treatment removes material that will either float or readily settle out by gravity. 250+ TOP MCQs on Microbes in Industrial Products-4 and Answers, 300+ TOP MCQs on Microbes in Human Welfare and Answers, 250+ TOP MCQs on Microbes in Household Products-1 and Answers, 250+ TOP MCQs on Microbes in Production of Biogas and Answers, 250+ TOP MCQs on Microbes in Household Products-2 and Answers, 250+ TOP MCQs on Microbes in Industrial Products-3 and Answers, 250+ TOP MCQs on Microbes in Sewage Treatment and Answers, 250+ TOP MCQs on Microbes in Industrial Products-1 and Answers, 250+ TOP MCQs on Microbes in Industrial Products-2 and Answers, 250+ TOP MCQs on Microbes as Biofertilizers and Answers, [12 Class Notes] MICROBES IN HUMAN WELFARE Biology CBSE, 250+ TOP MCQs on Microbes as Biocontrol Agents and Answers, 250+ TOP MCQs on Microbes in Metal Containing Habitat and Answers, 250+ TOP MCQs on Microbes in Bioleaching Process and Answers, 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers, 300+ TOP MCQs on Bioremediation and Answers, 250+ TOP MCQs on Heat Transfer Applications Thermal Processing and Answers, 250+ TOP MCQs on Environmental Issues Water Pollution and its Control and Answers, 250+ TOP MCQs on Biotechnology Applications Ethical Issues and Answers, 250+ TOP MCQs on Hydraulic Fracturing Frac Job Design and Answers. 11. this would be absolutely amazing. A test tube contains 9ml distilled water. Answer: 4. Our members have a unique depth and breadth of knowledge about the discipline. the virus must be able to lyse red blood cells. other viruses are too dangerous to work with in a clinical lab setting. 30 seconds. Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. It doesn't include viruses and prions because they are classified as non-living. A. American Type Culture Collection a) Watson b) Streptococcus lactis Place 6 test tubes into a rack and fill each with 9ml of 0.9% NaCl solution. The screening is isolation and detection of microorganisms of interest. View Answer, 46. 6. b. Which of the following statements is correct regarding secondary screening________. a) Study of molecules that are visible to human eyes c) Enrichment Culture technique View Answer, 15. 1999-2023, Rice University. 8. b) False Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. b) vitamins 6. 10. Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes c) hydrophobic barrier C) 72 oC for 15 seconds. D. Phenol red. 9. d) Fungi b) Monotrichous What is the fecal test that requires a 3-day specimen? The 1st plate is used to isolate and detect prototrophs whereas 2nd plate is used for identification of auxotrophs. a) Vibrio cholerae View Answer, 7. (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. a) The organism must be genetically stable. 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. View Answer, 34. 5. Answer: C Which of the following are produced by microorganisms? B) False, The aim of industrial microbiology is to produce chemicals that can be purified and packaged for sale or used in other commercial processes. D) 134 oC for 1 second. It is the zone where only the growth of a particular colony is observed whereas rest all colonies get degraded by antibiotics. B. What is the average size of a microbe?a) Less than 1 mmb) More than 1 cmc) Less than 0.1 mmd) More than 0.1 mmAnswer: cClarification: Microbes are microorganisms which have a size less than 0.1 mm. c) Desulfotomaculum sp. Clarification: The transfer of a 1ml solution to 9ml d/w is called as serial 10-fold dilution. The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. In batch fermentation, a) cytoplasmic membrane 2. Clarification: The Antibiotic producers show the zone of inhibition. Identification of bacteria by biochemical tests. a) True are licensed under a, Unique Characteristics of Prokaryotic Cells, Unique Characteristics of Eukaryotic Cells, Prokaryote Habitats, Relationships, and Microbiomes, Nonproteobacteria Gram-Negative Bacteria and Phototrophic Bacteria, Isolation, Culture, and Identification of Viruses, Using Biochemistry to Identify Microorganisms, Other Environmental Conditions that Affect Growth, Using Microbiology to Discover the Secrets of Life, Structure and Function of Cellular Genomes, How Asexual Prokaryotes Achieve Genetic Diversity, Modern Applications of Microbial Genetics, Microbes and the Tools of Genetic Engineering, Visualizing and Characterizing DNA, RNA, and Protein, Whole Genome Methods and Pharmaceutical Applications of Genetic Engineering, Using Physical Methods to Control Microorganisms, Using Chemicals to Control Microorganisms, Testing the Effectiveness of Antiseptics and Disinfectants, History of Chemotherapy and Antimicrobial Discovery, Fundamentals of Antimicrobial Chemotherapy, Testing the Effectiveness of Antimicrobials, Current Strategies for Antimicrobial Discovery, Virulence Factors of Bacterial and Viral Pathogens, Virulence Factors of Eukaryotic Pathogens, Major Histocompatibility Complexes and Antigen-Presenting Cells, Laboratory Analysis of the Immune Response, Polyclonal and Monoclonal Antibody Production, Anatomy and Normal Microbiota of the Skin and Eyes, Bacterial Infections of the Skin and Eyes, Protozoan and Helminthic Infections of the Skin and Eyes, Anatomy and Normal Microbiota of the Respiratory Tract, Bacterial Infections of the Respiratory Tract, Viral Infections of the Respiratory Tract, Anatomy and Normal Microbiota of the Urogenital Tract, Bacterial Infections of the Urinary System, Bacterial Infections of the Reproductive System, Viral Infections of the Reproductive System, Fungal Infections of the Reproductive System, Protozoan Infections of the Urogenital System, Anatomy and Normal Microbiota of the Digestive System, Microbial Diseases of the Mouth and Oral Cavity, Bacterial Infections of the Gastrointestinal Tract, Viral Infections of the Gastrointestinal Tract, Protozoan Infections of the Gastrointestinal Tract, Helminthic Infections of the Gastrointestinal Tract, Circulatory and Lymphatic System Infections, Anatomy of the Circulatory and Lymphatic Systems, Bacterial Infections of the Circulatory and Lymphatic Systems, Viral Infections of the Circulatory and Lymphatic Systems, Parasitic Infections of the Circulatory and Lymphatic Systems, Fungal and Parasitic Diseases of the Nervous System, Fundamentals of Physics and Chemistry Important to Microbiology, Taxonomy of Clinically Relevant Microorganisms, https://openstax.org/books/microbiology/pages/1-introduction, https://openstax.org/books/microbiology/pages/1-multiple-choice, Creative Commons Attribution 4.0 International License. All of the above. 14. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? a) American Type Culture Collection a) Gram-negative organisms a) Growth Factor producers Which of the following microorganism is eliminated in canned foods? It will immensely help anyone trying to crack an exam or an interview. 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. Phagocytosis is a critical part of the immune system. View Answer, 40. Which of the following is a prokaryotic microorganism? b) Nitrosococcus oceanus b) 10-fold A BV test is done in a similar way as a pelvic exam or Pap smear. View Answer, 9. coliform bacteria in drinking water, the source is probably environmental and fecal contamination is unlikely. MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? C. Enrichment Culture technique False. a) Streptomyces sp. View Answer, 12. Which of the following yeast can be used to produce microbial protein? Home Class 12 Biology Objective Questions 250+ TOP MCQs on Microbes and Answers. Chapter 3: Classification of Viruses MCQs. A. 4. In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? You can also prevent infections through: Hand-washing. The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . a) Crowded plate technique 1. If you are redistributing all or part of this book in a print format, True. The production of substances in industrial microbiology occur in the sequence: Which isolation technique is most effective? B) False, Mass-produced microbial cells can be used as livestock feed. The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. d) DNA polymerase II c) chitin It is important to find and resolve the source of the contamination. Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. How do you isolate microorganisms in the air? 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 useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? Growth Factor producers c) Enrichment Culture technique microscopic with a fried egg shape. 5. a) electron beams and magnetic fields Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. D. Indicator dye technique. View Answer, 13. a) Final treatment 3. (4) Attempt to Stain microorganisms. Wish you the best in your endeavor to learn and master Microbiology! milk, meat, green vegetables, fruits, etc.) D. Indicator dye technique. d) Study of microscope B. A) True 10. In which of the following treatment involve oxidation of organic constituents of the wastewater? These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . View Answer, 12. View Answer, 18. 1. c) carbohydrates a) anaerobic cells The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. Clarification: The optimum temperature for the growth of an organism should be above 40C. 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. 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. It should not leave damage and odour. View Answer, 4. 5. Clean and disinfect surfaces that are touched often. 6. View Answer, 28. Which of the following metabolic characteristic is a distinguishing characteristic and identification of colonies of. 3. 6. citation tool such as, Authors: Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister, Brian M. Forster. Which of the following are the growth morphology of the protozoa? You can also check this one and can share your opinions on Cell Culture Plates Product. c) Pour-plate and spread plate 5. All Rights Reserved. E. coli is a sub-group of the fecal coliform group. B) False, Microbiology 17 immunization and immune Testi. A) manipulating the growth environment. d) Phaeophycophyta b) The examination of the infection sites, c) They are prokaryotes in cellular organization. Answer: 4. a) peptidoglycan [2][3] S. aureus is found in the . Who is considered the father of Western medicine? View Answer, 25. 2. Which of the following was NOT a kingdom in Linnaeuss taxonomy? In this process the bacterium, which is a single cell, divides into two identical daughter cells. a) Phenol red plate For e.g., cellulose producers grow on nutrient medium supplied with cellulose. 14. B) False, Freezing at below -20 oC will kill most pathogenic food bacteria and inactivate toxins. (2) Chemical, physical and biological properties of a product are also determined during secondary screening. A. B. 13. 15. View Answer, 2. Who is known as the father of Microbiology? b) Advanced treatment c) Spirochetes d) 5 percent 4. 7. 2. Which isolation technique is most commonly used for colony isolation in the laboratory? (2) Attempt to kill microorganisms outside of their natural environment. d) Multiple fission C) are products that require additional processing before they can be packaged. c) base analog Which of the following plate is used to detect and isolate organic acid producers? d) Candida milleri It is further followed by secondary screening, to check the capabilities and gain information about these organisms. C. 5 8 c) Spirochaeta A) are among the most widely used preservatives. It changes from yellow at pH 3.0 to blue-violet at pH 4.6. These microorganisms have been often under-appreciated and under-studied. A microorganism is a living thing that is too small to be seen with the naked eye. 37) Which of the following is the selective media used for the cultivation and isolation of. chipotle corporate phone number . 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. Defined media are prepared by adding precise amounts of highly purified inorganic or organic chemicals to distilled water. How do you isolate microorganisms from the soil? a. Streptococcus pyogens b. d) Hanging Drop technique a) x-rays Aims and objectives. B. Thymol blue d) Shortest wavelength of visible light used and an objective with the maximum numerical aperture B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. As an Amazon Associate we earn from qualifying purchases. C. Enrichment Culture technique b) Magnifying lens c) American Type Counter Collection Yeast cells are good source of. 12. Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. Lung infection was suspected, and a chest X-ray was performed which showed infection in both lungs. Which of the following is the most accurate method for microbial assay of antibiotics? Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. a) Crowded plate technique Which of the following types of mutants can be isolated using the replica plate technique? 8. Which of the following foods is NOT made by fermentation? 1. c) Spirillum volutans The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. 1. 6. b) Microbacteria During their metabolism, microbes produce chemicals, some of which are used by human beings. What is the approximate size of the bacterial cell? Binary fission begins when the DNA of the bacterium divides into two (replicates). What is the pH range of Bromophenol blue? You can also download the PDF of Microbiology MCQs by applying below. Mycobacteria f"u001e MCQs IN MICROBIOLOGY 13. pH required for the growth of bacteria is 22. 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, 13. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. Answer: A b) Syphilis C lostridium perfringens is an obligate anaerobic bacteria that do not require oxygen to grow and thus it is not Microaerophilic, microaerophilic bacteria require low amounts of oxygen for growth. Bacteria or other organisms used in AST testing should be from a fresh culture, ii) the composition and preparation of the agar and broth media used (e.g. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include c) The optimum temperature for the growth of an organism must be above 50C. Which of the following method proceeds with 2-plate preparation? Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? Which of the following method proceeds with 2-plate preparation? c) fecal streptococci C) is used to prevent growth of halophiles. Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? 2. b) plaque Your health care provider will insert a special tool called a speculum into your vagina. B. Auxanographic technique b) cellulose Vaccination was invented by ____________ The normal composition of feces includes all of the following except: A. Bacteria B. Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. The section contains multiple choice questions and answers on viruses, vaccination, structure, composition, viruses classification, virus infection and fatal diseases. 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.

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