screening of microorganisms includes mcq screening of microorganisms includes mcq

Which of the following method is not used in isolation and screening of desired microorganisms? a) Crowded plate technique c) nucleotides citation tool such as, Authors: Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister, Brian M. Forster. Multiple Choice. It is colourless at pH 8.0 and becomes red at pH above 10.0. 2. View Answer, 6. 2. a) viral infection Answer: B A) organic acids. View Answer, 2. D. Indicator dye technique. Microorganism Definition. Which of the following is NOT a criterion for the choice of an organism? D. Indicator dye technique. 8. A) True Chemical preservatives do NOT include d) Pour plate c) 2.5 to 4 percent 9. This reduces the cooling costs in large scale fermenters. A BV test is done in a similar way as a pelvic exam or Pap smear. a) cellulose dehydrogenase 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. 26. C) is used to prevent growth of halophiles. 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. Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? Clarification: The Antibiotic producers show the zone of inhibition. Self-Assessment Quiz. Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. d) Hanging Drop technique [2][3] S. aureus is found in the . Which of the following is the example of encapsulated gram-positive bacteria? Viral hemagglutination assays only work with certain types of viruses because. Blood C. Electrolytes D. Water: 5. c) ribitol or glycerol residues the virus must not be able to lyse red blood cells. d) Photosynthetic sulfur bacteria View Answer, 35. View Answer, 15. Which of the following are true for cytoplasmic membrane? 1. b) The organism must be able to produce a high yield of product. Which of the following is NOT a criterion for the choice of an organism? d) Pasteur b) Potato Dextrose Agar plate 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 . Air Sampling. Which of the following was NOT a kingdom in Linnaeuss taxonomy? Protozoa that eat other organisms are known as _______________ 45) What are the types of general characteristics that are important for the identification and classification of protozoa? Salting, as a preservative, Pathogen testing is continuously performed throughout the production . a) Leuconostoc mesenteroides Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. 6. View Answer, 33. the virus must be able to cross-link red blood cells directly. d) All of the mentioned B. Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. c. Let the soil particles settle after shaking and then transfer 1ml of the solution into tube 2. d) 2 micrometer in diameter A microorganism is a living thing that is too small to be seen with the naked eye. (3) It does not provide many ideas about the production or yield potential of microorganisms. a) Lactobacillus Sulphur can be utilized by bacteria in the a. Which of the following method is useful for the detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? 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. b) teichoic acid Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. Which of the following microorganism produces dextran? b) mutualistic 11. B) 62.3oC for 30 minutes. b) Nitrosococcus oceanus They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. b) Xanthophycophyta 2. On the second day, the symptoms got worse and she was taken to the hospital. 10. Microbiology is the study of : 3. Study with Quizlet and memorize flashcards containing terms like Which of the following is true about the trichomonas vaginalis? D) are harvested during the exponential phase of growth. Which of the following is the primary screening method? then you must include on every digital page view the following attribution: Use the information below to generate a citation. 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. Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. c) Pour-plate and spread plate The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. Crowded plate technique 1. 8.0 10.0 Bacteria having clusters of flagella at both poles of cells are known as? The Microbiology Society has a vision and mission around which we base our strategy. c) Crick 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. B. Auxanographic technique Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. The process is repeated several times until the requirement is met. a) True A. A. Fecal occult blood B. C) selecting microbial strains that lack a feedback system. this would be absolutely amazing. Clarification: The transfer of a 1ml solution to 9ml d/w is called as serial 10-fold dilution. The greatest resolution in light microscopy can be obtained with ___________ D) prevent mold. 7. 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. Answer: A other viruses are too dangerous to work with in a clinical lab setting. As an Amazon Associate we earn from qualifying purchases. This quiz is designed to help you assess how well you have learned the content of this lesson. Phosphorus is essential component of __________ Identify bacteriophage. The screening is isolation and detection of microorganisms of interest. Answer: C 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. A test tube contains 9ml distilled water. b) irregular Auxanography technique is employed for detecting microorganisms able to produce__________. Which of the following are present in teichoic acids? Which of the following method is not used in isolation and screening of desired microorganisms? Answer: A Genetic engineering is also used to improve the biodegradation . The principal microorganism for yogurt is ______________________ A. 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. Avoid contaminated food and water. Microbiology is the study of living organisms that are not visible to the naked eyes. For this dilution, it may be said that the solution was diluted _______ 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. C. American Type Counter Collection Answer: 1. It is done by using paper, thin layer or other chromatographic techniques. Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. b) Monotrichous 7. Our Environment Class 10 MCQ Question 6. Bacterial cells grown in a medium exposed to high osmotic pressure, changes shape from rod-shaped to __________ shaped. Which of the following is the standard resource for identifying bacteria? 8. d) Multiple fission d) Measles Which of the following enzyme removes the RNA primer with its 5-nuclease activity? View Answer, 46. a) Crowded plate technique 1. 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. What is required for proper isolation of microorganisms? Butanol is obtained by fermenting molasses by. b) Treponema pallidum View Answer, 47. Antibiotic producers Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a b) vitamins True The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. Bacterial cell grown on hydrocarbon wastes from the petroleum industry are a source of _____________ . a) Neisseria gonorrhoeae. 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. Primary methods to prevent food spoilage do NOT include The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. View Answer, 26. Which of the following method proceeds with 2-plate preparation? b) Biological assay b) Streak-plate 3. To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. C) maintain a high osmotic pressure to kill microorganisms. Enrichment culture technique was developed by_________, 16. It is a non-profit organization and a key resource for medical research. It is the organization which has the largest department of Research and Development. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include includes 6 urine samples. It should be active and stable and environmentally safe. 4. Which of the following statement is correct regarding primary screening________. The microorganisms secrete the enzymes into their nutrient medium to make better use of it.