Antibiotic producing microorganisms can be detected by the method__________, 5. C) maintain a high osmotic pressure to kill microorganisms. A 7 year old girl developed a sore throat and fever for 2 days. The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. . B) mass, controlled culture of microbes to synthesize products. c) DNA polymerase I The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. A BV test is done in a similar way as a pelvic exam or Pap smear. 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, 21. b) Borrelia Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? Which of the following was NOT a kingdom in Linnaeuss taxonomy? a) fats Contact Us. B. a) 1mm in diameter 4. d) American Type Classifier and Collection The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme a) Alcoholic beverages 2. c) Streptococcus thermophilus d) DNA polymerase II Which of the following method is used for the isolation of mutants? E. coli is a sub-group of the fecal coliform group. Which of the following enzyme removes the RNA primer with its 5-nuclease activity? Phosphorus is essential component of __________ In this process the bacterium, which is a single cell, divides into two identical daughter cells. b) irregular d) both aerobic and anaerobic cells Microbiology is the study of : 3. Which microorganism(s) among the following perform photosynthesis by utilizing light? b) False d) gene View Answer, 17. c) nucleotides 3. c. Let the soil particles settle after shaking and then transfer 1ml of the solution into tube 2. Which one of the following is called as the 'brewers yeast'. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include Place the gram of soil into the first tube with saline and SHAKE WELL. C. Enrichment Culture technique b) Viruses a) Mesophile The greatest resolution in light microscopy can be obtained with ___________ View Answer, 42. The process is repeated several times until the requirement is met. View Answer. Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. (3) Attempt to synthesized secondary metabolites outside of their natural environment. b) Syphilis Screens are made of long, closely spaced, narrow metal bars. c) Phenolphthalein The section contains questions and answers on light microscope, microbial Stains, transmission and scanning electron microscope. a) Phenol red plate 1. What is required for proper isolation of microorganisms? a) Amphitrichous 10. 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. 6. a) Streptomyces sp. 12. 11. A test tube contains 9ml distilled water. B) inhibit germination of botulism spores. It is colourless at pH 8.0 and becomes red at pH above 10.0. 9. View Answer, 9. This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. c) MacConkeys Agar plate Which was the first disease for which a chemotherapeutic agent was used? Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . Clarification: The Enrichment culture technique is useful for the detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium. Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome. b) Nitrosococcus oceanus 43) Which of the following methods are the most common and routine culture methods performed in the microbiology lab for the proper isolation and identification of bacteria and fungi? The microorganisms from lakes and rivers can grow at a salt concentration of _________ The microorganisms are chosen based on the rest three criteria. b) RNA polymerase Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. D. American Type Classifier and Collection. 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? B. Auxanographic technique screening of microorganisms includes mcqshortest water tower in the world. Answer: A. Clarification: Screening is the use of highly selective procedures to allow the detection and isolation of only those microorganisms of interest from a large microbial population. d) saprophytic (1) Its a process for the detection and isolation of microorganisms of our interest. 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. Lipopolysaccharide in cell walls is characteristic of? A test tube contains 9ml distilled water. 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) alcohol. View Answer, 3. 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? APT test C. Elastase I D. Quantitative fecal fat testing: 6. Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. (Or show it to your microbiology professor, just for fun.) 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. View Answer, 2. Who is known as the father of Microbiology? The section contains MCQs on diseases caused by fungi and protozoa, therapeutic drugs for fungal treatment and protozoan diseases. View Answer, 18. a) Killing all microorganisms. Which of the following plate is used to detect and isolate organic acid producers? D) removal of waste, inoculation, fermentation, downstream processing. b) Xanthophycophyta View Answer, 36. A. milk, meat, green vegetables, fruits, etc.) Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . D. The organism must be able to grow in an easily available nutrient medium. b) light waves d) Indicator dye technique Which of the following method is not used in isolation and screening of desired microorganisms? d) proteins C) selecting microbial strains that lack a feedback system. D) all of the above. d) Primary treatment Which of the following is a prokaryotic microorganism? Has two nuclei C. Forms cysts D. Has a sucking disc E. Survives well in ordinary water, even when this is hot or contains chlorine or detergents, Flagellate parasite is the cause of vulvovaginitis in women in . 13. d) The organism must be able to grow in an easily available nutrient medium C. 5 8 Chapter 3: Classification of Viruses MCQs. View Answer, 11. A. B. Auxanographic technique Screening - It refers to the isolation of only those microorganisms which are of interest from among a large population of microbes. The Gram staining is one of the most crucial staining techniques in microbiology. View Answer, 5. 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. Crowded plate technique Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. b) False d) Coliforms b) Auxanographic technique c) Enrichment Culture technique d) Pasteur Which of the following dye is colourless at acidic pH and becomes red at basic pH? c) Psychrophile Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. Which of the following method can be used to determine the number of bacteria quantitatively? Which shape of bacteria has been shown in the following diagram?a) Rod-shapedb) Comma shapedc) Spiral shapedd) Spherical shapedAnswer: dClarification: The following diagram represents spherical shaped bacteria, magnified 1500X. Automatic Type Counter & Classifier D) prevent mold. b) Candida utilis Which of the following statements about food chain and energy . A) True 6. 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? a) Condenser lens 8. A) manipulating the growth environment. Glycolysis can occur in ___________ d) Rose Bengal Agar plate The section contains MCQs on microorganisms, industry, industrial uses of bacteria, molds and yeasts, genotypic changes, bacterial recombination and conjugation, bacterial transduction and transformation. The production of substances in industrial microbiology occur in the sequence: You can also check this one and can share your opinions on Cell Culture Plates Product. In batch fermentation, c) Spirochetes 4.0 SECONDARY SCREENING OF MICROORGANISMS . It is further followed by secondary screening, to check the capabilities and gain information about these organisms. 5. Question 6. View Answer, 49. Which organisms show the zone of inhibition grown on a Petri plate? Chrysolaminarin is the reserved food of ___________________ Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. A) are among the most widely used preservatives. D. Phenol red. A. c) An objective with minimum numerical aperture Microbiology is the study of living organisms that are not visible to the naked eyes. Sugar fermentation test: Bacteria is grown in a sugar media. c) Mumps C) use of microbes in sewage and pollution control. It belongs to the phthalein family that is employed as an acid-base indicator. a) chemical compounds A) radiation. 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. View Answer, 12. b) Streptomyces olivaceus 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. Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. View Answer. MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe. View Answer, 8. (4) It separates out only a few microorganisms, only a few have commercial value while discards the valueless microorganisms, 14. d) Phaeophycophyta Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. a) Crowded plate technique Microorganisms are minute, unicellular organisms that aren't visible to the naked eye. The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. (4) This may be accomplished by paper, thin layer, chromatographic technique. Which of the following method is not used in isolation and screening of desired microorganisms? 14. It should have a fast rate of kill of micro-organisms. B. Auxanographic technique 15. chipotle corporate phone number . d) Pedoviridae microscopic with a fried egg shape. d) 2 micrometer in diameter Microbiology MCQ. What is Microbiology? c) Mycobacterium tuberculosis Clarification: The Antibiotic producers show the zone of inhibition. 10. Which of the following bacteria is an endospore-forming bacteria that is also a common foodborne pathogen? Answer: 4. c) magnetic fields As an Amazon Associate we earn from qualifying purchases. lauren conrad and stephen colletti /; 2. c) Enrichment Culture technique a) The organism must be genetically stable. The Society's role is to help unlock and harness . What is the approximate size of the bacterial cell? Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? c) Enrichment Culture technique A) retards growth of Staphylococcus aureus. View Answer, 39. determined to obtain accurate susceptibility results. View Answer, 19. Vaccination was invented by ____________ Engineering 2023 , FAQs Interview Questions. Identification of bacteria by biochemical tests. The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . 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. 1. chp 25 microbiology 211 mcq. b) teichoic acid For which viral disease, vaccine has been recently developed through the use of tissue culture? 40) Biochemical tests are a common and conventional laboratory procedure in the differentiation and identification of enteric bacteria. a) cellulose dehydrogenase a) Methyl red b) ribitol residues b) 0.5 to 1.0 micrometer in diameter Secondary screening may be qualitative and quantitative in its approach. Pathogen testing is used to identify pathogenic organisms in manufacturing environments, ingredients or finished products that could harm the consumer. Biotechnology, the practical application of microorganisms in making products for human use, is a relatively new science, begun since Pasteur's time. c) Pour-plate and spread plate View Answer, 26. includes 6 urine samples. C. American Type Counter Collection 6. c) 5 8 d) Indicator dye technique C) is used to prevent growth of halophiles. d) Thermophile d) Study of microscope 8. c) rod shaped B. Auxanographic technique View Answer, 16. View Answer, 33. This is one of the widely used methods and more important. A sputum sample was taken for the lab diagnosis for the isolation and identification of the microorganism. Which is the secondary stage? Q. Q.1: Screening of microorganisms includes . b) Fermented dairy products Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. View Answer, 7. 1. A) True Clarification: The optimum temperature for the growth of an organism should be above 40C. Answer: B 100-fold Which of the following is a correct usage of binomial nomenclature? Sulphates are reduced to hydrogen sulphide by _____________________ d. using damaged equipment and glassware. For this dilution, it may be said that the solution was diluted _______ 5. a) DNA polymerase III 10. Symptoms include cough and lung infection. View Answer, 40. 3. What is the name of the procedure performed under sterile conditions to eliminate d) Gram-positive bacteria Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. b) cellulose c) Gram-negative bacteria False. 4. 4. Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? C) 72 oC for 15 seconds. 3. Which of the following statements is correct regarding secondary screening________. 10. d) Antoni van Leeuwenhoek Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? d) bacterial infection Study with Quizlet and memorize flashcards containing terms like Which of the following is true about the trichomonas vaginalis? b) Study of animals and their family Which shape of bacteria has been represented in the following diagram? b) Atrichous bacteria. a) Crowded plate technique Which of the following microorganism is eliminated in canned foods? C. Enrichment Culture technique Except where otherwise noted, textbooks on this site Answer: 4. It is the zone where only the growth of a particular colony is observed whereas rest all colonies get degraded by antibiotics. B. c) Nitrosomonas europaea It should be active and stable and environmentally safe. Biological contaminants occur in the air as aerosols and may include bacteria, fungi, viruses, and pollens. Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. A) True Often overlooked, hand-washing is one of the easiest and most effective ways to protect yourself from germs and most infections. If you are redistributing all or part of this book in a print format, View Answer, 4. 6.8 - 7.2 b. View Answer, 37. A microorganism is a living thing that is too small to be seen with the naked eye. 7. Which of the following are present in teichoic acids? 3. The section contains questions and answers on cell division modes, bacteria growth cycle and quantitative measurement. b) Auxanographic technique This book uses the a) electron beams and magnetic fields The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. 5. 3. 3.0 4.6 Tyrocidines are more effective against ___________________ They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. Clarification: The question mark in the following figure represents flagella of a rod-shaped bacterium. a) Cyanobacteria, Fungi and Viruses 9. Which of the following are the growth morphology of the protozoa? 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.

Joanna Garcia Swisher Net Worth, Harlem Globetrotters 2021 Roster, Traveling From California To Montana, Hosome Projection Alarm Clock Instructions, Articles S