D) removal of waste, inoculation, fermentation, downstream processing. What is the pH range of Bromophenol blue? Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. 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. These are non-enveloped viruses with a double-stranded DNA genome. Which among the following are Spirochetes? The "flash method" or "high temperature short time" method exposes fluids to A. American Type Culture Collection These extracellular enzymes break up the giant molecules of the substrate into smaller ones that can feed the microorganisms. B) False, Pasteurization is used to sterilize milk. A) heat below 100 oC. b) mutualistic What does a viral DNA becomes after being associated with the bacterial chromosome? b) Jenner Ans: The steps adopted in a typical sewage treatment plant are as given below: ADVERTISEMENTS: 11 junio, 2022. C) new batches of microorganisms are screened for increased yield. The screening is isolation and detection of microorganisms of interest. a) Regeneration Sanfoundry Global Education & Learning Series Fermentation Technology. First link in any food chain is usually green plants because. How to avoid the spreading of Microorganisms has been discussed. d) Mycoplasmas 7. 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. a) True It should have a fast rate of kill of micro-organisms. Which isolation technique is most commonly used for colony isolation in the laboratory? Our Environment Class 10 MCQ Question 6. d) Corynebacterium diphtheriae 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. 1g of soil is added to that test tube and the soil is allowed to settle down. 6. Complex media are prepared using digests of microbial, animal, or . Our mission is to improve educational access and learning for everyone. D) exposure. In modern plants the screens are cleaned . (retrieve https://www.learningsta.com, April 2021) 2.0 SCREENING . 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. c) Enrichment Culture technique c) an increase in the size of an individual organism Home Class 12 Biology Objective Questions 250+ TOP MCQs on Microbes and Answers. c) UV light (1) Optimal temperature for growth, (2) Optimal oxygen requirements, (3) Optimal nutritional needs (4) All of the above. Answer: 1. The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. Give the steps of typical sewage treatment plant are as given below. Identify bacteriophage. Biological contaminants occur in the air as aerosols and may include bacteria, fungi, viruses, and pollens. c) fecal streptococci Answer: A other viruses are too dangerous to work with in a clinical lab setting. c) Robert Koch Who is considered the father of Western medicine? Trophic level in an ecosystem represents. View Answer, 37. The process is repeated several times until the requirement is met. D. Indicator dye technique. Which of the following dye is colourless at acidic pH and becomes red at basic pH? b) light waves You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. B) inhibit germination of botulism spores. b) Auxanographic technique Easy detection of the small percentage of useful microorganism. In which of the following treatment involve oxidation of organic constituents of the wastewater? Rickettsia species are carried by. It changes from yellow at pH 3.0 to blue-violet at pH 4.6. b) Longest wavelength of visible light used Which one of the following is called as the 'brewers yeast'. d) Candida milleri Microorganisms are minute, unicellular organisms that aren't visible to the naked eye. Antibiotic producing microorganisms can be detected by the method__________, 5. Which of the following enzyme removes the RNA primer with its 5-nuclease activity? b) Auxanographic technique a) Treponema a) Killing all microorganisms. Methyl red This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. a) glycerol residues Which of the following are present in teichoic acids? Plasmodium divides by which of the following method most commonly? The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. d) Study of microscope b) Rhodospirillum 6.8 - 7.2 b. A. a) DNA polymerase III Vaccination was invented by ____________ Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? Acridine orange is which type of mutagen? Crowded plate technique Clarification: Phenol Red plate is used to detect and isolate organic acid producers. d. using damaged equipment and glassware. Identification of bacteria by biochemical tests. All the microorganisms such as amoeba, protozoa, viruses, bacteria are studied under microbiology. Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. Sulphates are reduced to hydrogen sulphide by _____________________ Gram negative bacteria take the color of safranin stain and appear pink or red. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. D. Indicator dye technique. Biotechnology, the practical application of microorganisms in making products for human use, is a relatively new science, begun since Pasteur's time. It doesn't include viruses and prions because they are classified as non-living. Sugar fermentation test: Bacteria is grown in a sugar media. c) Streptococcus thermophilus 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) below 1 percent 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. Categories: . 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. lycamobile belgium bundle 10 euro, nc tennis junior tournaments, mary davis sos band hospitalized,