Answer: C B. View Answer, 9. Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. Juli 2022 A. a) fats What is the pH range of Bromophenol blue? d) Malaria D) small-scale production is used to synthesize product. Aims and objectives. screening of microorganisms includes mcq. Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? Trophic level in an ecosystem represents. b) Fungi View Answer, 6. c) Saccharomyces cerevisiae D. Indicator dye technique. View Answer, 33. It is done by using paper, thin layer or other chromatographic techniques. The colour of plate changes from red to yellow in the zone of organisms producing organic acid. (3) Attempt to synthesized secondary metabolites outside of their natural environment. c) Streptococci. 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. Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. Which of the following method is not used in isolation and screening of desired microorganisms? c) fecal streptococci Salting, as a preservative, Clarification: Phenol Red plate is used to detect and isolate organic acid producers. d) Rose Bengal Agar plate Pathogen testing is used to identify pathogenic organisms in manufacturing environments, ingredients or finished products that could harm the consumer. PDF Coliform Bacteria and Drinking Water - Washington State Department of 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. Clarification: The pH range of Bromophenol blue is 3.0 4.6. The "flash method" or "high temperature short time" method exposes fluids to Screens are made of long, closely spaced, narrow metal bars. Which of the following is a prokaryotic microorganism? C. Organic acid producers a) 3.0 4.6 c) An objective with minimum numerical aperture 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. Give the steps of typical sewage treatment plant are as given below. Categories: . B) mass, controlled culture of microbes to synthesize products. Nitrates maintain the red color of preserved meats and A. The microbes play a major role in nutrient cycling, decomposition, food spoilage, control and cause of diseases and biotechnology. During their metabolism, microbes produce chemicals, some of which are used by human beings. a) Styloviridae Germs: Protect against bacteria, viruses and infections b) Clostridium botulinum d) glucose residues (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. 5. Eubacteria - Definition and Examples - Biology Online Dictionary Screening of Industrially Important Microorganism - MCQ Questions Bacterial cell grown on hydrocarbon wastes from the petroleum industry are a source of _____________ Clarification: Hanging drop technique is used for motility testing of bacteria. Rapid Diagnostic Tests for Infectious Diseases Which of the following is not microbe?a) Bacteriab) Protozoac) Viroidsd) WormsAnswer: dClarification: Microbes are diverse in nature and include- protozoa, bacteria, fungi and microscopic animal and plant viruses, viroids and also prions that are proteinaceous infectious agents. Fermentation Technology Interview Questions and Answers - Sanfoundry Which scientist proposed adding a kingdom for protists? Which of the following plate is used to detect and isolate organic acid producers? Microbiology Question Bank PDF book covers problem solving exam tests from microbiology textbook and practical book's chapters as: Chapter 1: Basic Mycology MCQs. Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. All the microorganisms such as amoeba, protozoa, viruses, bacteria are studied under microbiology. Cryptococcosis is a disease of ________________ c) Secondary treatment Microbiology is the study of living organisms that are not visible to the naked eyes. Biology Multiple Choice Questions on Microbes. View Answer, 8. a) Final treatment 14. MCQs Bacteriology (1-10): With Answers and Explanations Wish you the best in your endeavor to learn and master Microbiology! d) Eyepiece lens 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. The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. There are various microorganisms types like bacteria, fungi, archaea, or protists. Which of the following method proceeds with 2-plate preparation? It is further followed by secondary screening, to check the capabilities and gain information about these organisms. Pathogen & Spoilage Testing - Sigma-Aldrich 9. a) site of generation of protonmotive force d) Corynebacterium diphtheriae Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. Which of the following is the source of Vitamin A. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . 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 process is repeated several times until the requirement is met. 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? What does a viral DNA becomes after being associated with the bacterial chromosome? View Answer, 3. 2. c) Spirochetes Full-form of ATCC is _________. 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. To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? b) False For this dilution, it may be said that the solution was diluted _______ What is the pH range of Bromophenol blue? Through primary screening only few or many microorganism that produce a industrially . What is high throughput screening used for? screening of microorganisms includes mcq chp 25 microbiology 211 mcq. a) phospholipids d) bacterial infection A) True PDF Practice Exam Questions - University of Minnesota Duluth A 70 year old male visited a clinic with chronic cough, chest pain, fever, chills, and weakness. Indeed, until Anton von Leeuwenhoek invented . When examined he said the cough first started about a month ago, he said no other symptoms appeared in the first week, he complained about the loss of appetite due to which he lost some of his body weight. Clean and disinfect surfaces that are touched often. a) Mesophile (4) Attempt to Stain microorganisms. Required fields are marked *. The Quizzes about Fecal Analysis (32 tests) - MedQuizzes milk, meat, green vegetables, fruits, etc.) Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. Potato Dextrose Agar plate A microorganism is a living thing that is too small to be seen with the naked eye. (1) Screen organic acid-producing microbes. 9. b) Longest wavelength of visible light used Fecal coliform bacteria are a subgroup of total coliform bacteria. A) are essential to microbe function. d) cellulase 30 seconds. A BV test is done in a similar way as a pelvic exam or Pap smear. The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. b) The examination of the infection sites, c) They are prokaryotes in cellular organization. Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. Mycoplasma pneumoniae is an unusual bacteria with distinctive colonies which are. 1999-2023, Rice University. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? a) changes in the total population a) cellulose dehydrogenase You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. A sputum sample was taken for the lab diagnosis for the isolation and identification of the microorganism. c) Gram-negative bacteria This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. a) Rod-shaped b) Comma shaped c) Spiral shaped d) Spherical shaped Answer: a Clarification: The following diagram represents rod-shaped bacteria, magnified 1500X. c) Enrichment Culture technique View Answer, 26. View Answer, 43. b) Auxanographic technique c) 2mm in diameter 10. c) magnetic fields Air Sampling. Note when energy and additional compounds are necessary for any of these mechanisms to operate. Bacteria having clusters of flagella at both poles of cells are known as? View Answer, 15. b) aerobic cells Microorganisms Class 8 Science Chapter 2 as per NCERT Book used in CBSE and other Schools. As an Amazon Associate we earn from qualifying purchases. uses 50 grams of glucose in a 500ml solution. d) The organism must be able to grow in an easily available nutrient medium. b) Streptococcus lactis Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. How do you isolate microorganisms in the air? 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. 1. MCQ Questions for Class 10 Science Our Environment with Answers B. Auxanographic technique Sanfoundry Global Education & Learning Series Fermentation Technology. c) The optimum temperature for the growth of an organism must be above 50C. Microbial Food Spoilage- Types of microorganisms with examples B) False, Yeast cells prefer aerobic conditions to multiply in number. A. 2. 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. 1. If you would like to learn "Microbiology" thoroughly, you should attempt to work on the complete set of 1000+ MCQs - multiple choice questions and answers mentioned above. Which of the following yeast can be used to produce microbial protein? Which of the following method is not used in isolation and screening of desired microorganisms? B. Which of the following was NOT a kingdom in Linnaeuss taxonomy? Growth of bacteria or microorganisms refer to __________________ B) False, When in doubt, throw it out. a) viral infection d) Fungi Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? A skin biopsy test was performed and the infection was diagnosed to be a parasitic infection. (1) Its a process for the detection and isolation of microorganisms of our interest. It should not leave damage and odour. 15. Bacterial Culture Media: Classification, Types, Uses 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.