screening of microorganisms includes mcq screening of microorganisms includes mcq

Biological contaminants occur in the air as aerosols and may include bacteria, fungi, viruses, and pollens. C. Enrichment Culture technique A. Phenol red plate 9. uses 100 grams of glucose in a 300ml solution. a) phospholipids d) Hanging Drop technique Antibiotic producing microorganisms can be detected by the method__________, 5. includes 6 urine samples. 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. 2. b) gamma rays MCQ on Our Environment Question 9. View Answer, 18. 4. 6. Cellulose is degraded to cellobiose by the enzyme __________________ Clarification: Hanging drop technique is used for motility testing of bacteria. Answer: 4. 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? A) fermentation, downstream processing, removal of waste, inoculation. Which of the following method proceeds with 2-plate preparation? D) all of the above. Enrichment culture technique was developed by_________, 16. 4. (3) It provides information on whether the product formed by microorganisms is new or not. The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . Which of the following are produced by microorganisms? c) holozoic 2. Which of the following plate is used to detect and isolate organic acid producers? The section contains MCQs on selective methods, pure cultures and cultural characteristics. Includes common viruses, bacteria, and parasites 1,2: Stool sample: Sensitive, certain positive results may be unrelated to active infection. b) False Which of the following is a correct usage of binomial nomenclature? (1) It is useful in sorting microorganisms that have real commercial value. B) using small scale containers to concentrate production. d) All of the mentioned View Answer, 13. Which among the following are microaerophilic bacteria? b) The organism must be able to produce a high yield of product a) Study of molecules that are visible to human eyes c) American Type Counter Collection Thank you so much for sharing. C) selecting microbial strains that lack a feedback system. Q. Bacterial endospores are more resistant to antimicrobial control methods than all other microbial forms. Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. d) Photosynthetic sulfur bacteria This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. Q.1. lack of cell wall. 1. Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. Each daughter cell is a clone of the parent cell. Which of the following is NOT a criterion for the choice of an organism? Easy detection of the small percentage of useful microorganism. Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? 11. D. Indicator dye technique. Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. The well-isolated colonies are antibiotic producers with the zone of inhibition. B) False, When in doubt, throw it out. a) Crowded plate technique d) All of the mentioned b) mycotic infection Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . Salting, as a preservative, B) False, Pasteurization is used to sterilize milk. Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. d) an increase in the mass of an individual organism c) Pour-plate and spread plate This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. The section contains MCQs on diseases caused by fungi and protozoa, therapeutic drugs for fungal treatment and protozoan diseases. 11. 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. a) Treponema View Answer, 14. c) MacConkeys Agar plate d) gene Viral hemagglutination assays only work with certain types of viruses because. View Answer, 35. A. c) 1000-fold Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. 14. b) Fermented dairy products MCQ.8): In which of the following bacterial condition, fimbriae helps the bacteria to stick to the mucous membrane of the host? 6. 12. Secondary screening may be qualitative and quantitative in its approach. 3. These extracellular enzymes break up the giant molecules of the substrate into smaller ones that can feed the microorganisms. Which among the following are Spirochetes? Potato Dextrose Agar plate What is the name of the procedure performed under sterile conditions to eliminate c) The optimum temperature for the growth of an organism must be above 50C Crowded plate technique What are the cell wall structural components of fungi? Mycobacteria f"u001e MCQs IN MICROBIOLOGY 13. pH required for the growth of bacteria is 22. 1. View Answer, 8. Primary methods to prevent food spoilage do NOT include 2. C. 1000-fold Which of the following yeast can be used to produce microbial protein? Answer: D B. A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? Some strains, however, can cause illness. D. Hanging Drop technique. d) Measles a) cytoplasmic membrane 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. Rickettsia species are carried by. In which of the following treatment involve oxidation of organic constituents of the wastewater? Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. Multiple Choice. A. View Answer, 46. As primary screening allows the detection and isolation of microorganisms which posses, potentially interesting industrial applications. 2. C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. Glycosylated hemoglobin: causes sickle cell anemia. View Answer, 49. Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . 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. is affected by the patient's food intake on the day of testing. d) appendaged bacteria b) Killing pathogenic microorganisms c) Killing spores d) None of these answer-A 3. Crowded plate technique (1) Its a process for the detection and isolation of microorganisms of our interest. Who is considered the father of Western medicine? A) True A. B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. View Answer. d) chitin, cellulose, or hemicellulose magic island poem tone Consult Now C. The optimum temperature for the growth of an organism must be above 50C This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. 13. The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome. a) True B. Auxanographic technique c) Desulfotomaculum sp. 3. b) True Full-form of ATCC is _________ The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. b) Corticoviridae b) Ferdinand Cohn screening of microorganisms includes mcq. 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. View Answer, 7. c) 2.5 to 4 percent Answer: A View Answer, 5. View Answer, 2. Who is known as the father of Microbiology? All Rights Reserved. b) Syphilis It is further followed by secondary screening, to check the capabilities and gain information about these organisms. 3. Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. and you must attribute OpenStax. a) True This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. Clarification: The pH range of Bromophenol blue is 3.0 4.6. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. b) Microbacteria The microorganisms are chosen based on the rest three criteria. b) Budding On the second day, the symptoms got worse and she was taken to the hospital. the virus must be able to lyse red blood cells. Binary fission begins when the DNA of the bacterium divides into two (replicates). a) Regeneration It should be active and stable and environmentally safe. Measles is a disease caused by a virus, it is spread via respiratory droplets. b) Advanced treatment d) saprophytic Engineering 2023 , FAQs Interview Questions, on 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers, Fermentation Technology Objective Questions, 300+ TOP MCQs on Database Screening and Screening by Nucleic Acid Hybridisation 1 and Answers, 300+ TOP MCQs on Database Screening and Screening by Nucleic Acid Hybridisation 2 and Answers, 250+ MCQs on Media for Industrial Fermentations Minerals, Growth Factors and Buffers and Answers, 250+ MCQs on Improvement of Industrial Microorganisms and Answers, 250+ TOP MCQs on Vibration Isolation and Transmissibility and Answers, 250+ TOP MCQs on Multiversion Schemes, Snapshot Isolation, 250+ TOP MCQs on Microbes in Industrial Products-3 and Answers, 250+ TOP MCQs on Microbes in Metal Containing Habitat and Answers, [12 Class Notes] MICROBES IN HUMAN WELFARE Biology CBSE, 250+ TOP MCQs on Microbes as Biofertilizers and Answers, 250+ TOP MCQs on Transaction Isolation Levels and Answers, 250+ TOP MCQs on Enzyme Extraction and Isolation Choice of Enzyme Sources and Answers, 250+ MCQs on Microbial Growth Kinetics Batch Culture and Answers, 200+ TOP CELL CULTURES and CHARACTERISTICS Interview Questions and Answers, 200+ TOP Microbiology Of Foods Interview Questions with Answers, 250+ TOP MCQs on Microbes in Industrial Products-2 and Answers, 250+ MCQs on Brewing Yeast Differentiation (Traditional Methods) and Answers, 250+ TOP MCQs on Microbes in Household Products-2 and Answers, 300+ TOP Cell Cultures & Characteristics Objective Questions and Answers, 300+ TOP Microbiology of Foods Objective Questions & Answers. Which of the following is a type of fungal microorganism? The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. Wish you the best in your endeavor to learn and master Microbiology! Children are more susceptible to this disease. Which of the following is a prokaryotic microorganism? 1. 7. Clarification: Auxanographic technique proceeds with 2-plate preparation. b) Auxanographic technique View Answer, 6. The Gram staining is one of the most crucial staining techniques in microbiology. Your email address will not be published. Clarification: ATCC stands for American Type Culture Collection. Answer: 4. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include A food chain comprising birds, green plants, fish and man. 1. View Answer, 48. a) electron beams and magnetic fields 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. Acridine orange is which type of mutagen? E. coli is a sub-group of the fecal coliform group. View Answer, 43. b) Study of animals and their family 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. d) bacterial infection 5. 8. b) Treponema pallidum b) Thymol blue 100-fold View Answer, 21. a) Neisseria gonorrhoeae. Chemical preservatives do NOT include View Answer, 45. 1g of soil is added to that test tube and the soil is allowed to settle down. 10. c) Cyanobacteria a) anaerobic cells The respiratory chain of bacteria is associated with the _____________ 25. a)Microaerophilic. 10-fold c) Gram-negative bacteria It is a non-profit organization and a key resource for medical research. A skin biopsy test was performed and the infection was diagnosed to be a parasitic infection. Categories: . A. a) viruses uses 50 grams of glucose in a 500ml solution. 15. d) hydrophobic barrier and site of generation of protonmotive force Which of the following method is used for the isolation of mutants? Which of the following microorganism is eliminated in canned foods? For this dilution, it may be said that the solution was diluted _______ Which among the following group of microorganisms are found in the ducts of cows mammary glands? b) mutualistic Prokaryotes are very flexible metabolically, so they are able to adjust their feeding to the available natural resources. However, if environmental contamination can enter the system, pathogens could get in too. c) Crick Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. In this process desired microorganism is generally isolated from a natural environment like soil, which . Prokaryotes are unicellular microorganisms whose cells have no nucleus. Vaccination was invented by ____________ B. Nitrates maintain the red color of preserved meats and Which scientist proposed adding a kingdom for protists? C. Phenolphthalein 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. A test tube contains 9ml distilled water. a) Styloviridae A) retards growth of Staphylococcus aureus. c) Enrichment Culture technique (1) Optimal temperature for growth, (2) Optimal oxygen requirements, (3) Optimal nutritional needs (4) All of the above. d) electron beams d. using damaged equipment and glassware. 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? Here are 1000 MCQs on Microbiology (Chapterwise). Therefore, the exact composition of a defined medium is known. This reduces the cooling costs in large scale fermenters. chipotle corporate phone number . d) proteins What is required for proper isolation of microorganisms? The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. Everything you need to know about water and wastewater microbiology. [1] Infections are common both in community-acquired as well as hospital-acquired settings and treatment remains challenging to manage due to the emergence of multi-drug resistant strains such as MRSA (Methicillin-Resistant Staphylococcus aureus). Which of the following method is not used in isolation and screening of desired microorganisms? The presence of E. coli in a drinking water sample almost always indicates recent fecal contamination, meaning there is a greater . Chapter 3: Classification of Viruses MCQs. About Oracle NetSuite. D. Amino acid producers. 2. Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. A 19-year-old male living in a tropical region of India visited the hospital. False. In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? 4. c) Enrichment Culture technique A) True Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. C. 5 8 c) 5 8 Microbial enzyme production concentrates on simple hydrolytic enzymes (proteases, amylases, pectinases) that degrade natural polymers such as proteins, starches, or pectin. d) Phenol red View Answer, 39. Bacterial cells grown in a medium exposed to high osmotic pressure, changes shape from rod-shaped to __________ shaped. The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? D) are harvested during the exponential phase of growth. During their metabolism, microbes produce chemicals, some of which are used by human beings. Genetic engineering is also used to improve the biodegradation . Methyl red Clean and disinfect surfaces that are touched often. D) starch. [2][3] S. aureus is found in the . b) cellulose Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. Glycolysis can occur in ___________ . a) Final treatment Protozoa that eat other organisms are known as _______________ the virus must be able to cross-link red blood cells directly. 12. 7. A BV test is done in a similar way as a pelvic exam or Pap smear. requires five blood samples . a) Phenol red plate Incorporation of CaCO3 in medium is also used to__________. Clarification: The optimum temperature for the growth of an organism should be above 40C. a) site of generation of protonmotive force a) x-rays b) Streptococcus lactis B) False, Microbiology 17 immunization and immune Testi. Performance and sterility testing of media lots should also be determined and B. Thymol blue Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a c) hydrophobic barrier C) inoculation, fermentation, downstream processing, removal of waste. Answer: B a) Cyanobacteria, Fungi and Viruses b) Candida utilis OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. 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. b) Auxanographic technique The section contains MCQs on size, shape and arrangement of bacterial cells, cell wall, structures external and internal to the cell wall. b. d) Corynebacterium diphtheriae Has three to five flagella at the posterior end B. Answer: A Prokaryotes can be found everywhere on our planet, even in the most extreme environments. 9. Rhizobium bacteria. 8. [1] Often the first test performed, gram staining involves the use of crystal violet or methylene blue as the primary color. A. A. View Answer, 40. Which of the following is NOT a criterion for the choice of an organism? d) Cristispira Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? A. C. Enrichment Culture technique d) Coxiella burnetii 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. b) hydrophilic barrier View Answer, 15. Clarification: The Auxanographic technique is used for the detection and isolation of the organisms which are growth factor producers. Blood C. Electrolytes D. Water: 5. B) are by-products of metabolism that are not important to microbe function. View Answer, 11. Crowded plate technique A) are among the most widely used preservatives. Full-form of ATCC is _________ 4. If you are redistributing all or part of this book in a print format, Which among the following is a pathogenic algae for humans? D) removal of waste, inoculation, fermentation, downstream processing. Creative Commons Attribution License d) Study of microscope A) True What are the methods of isolating the pure culture of microorganisms? 6. 4. d) Antoni van Leeuwenhoek a) Nitrospina gracilis Aims and objectives. What is the approximate size of the bacterial cell? Done in one or few steps. a) Killing all microorganisms. Label these plates 1/10 3 through 1/10 6.