screening of microorganisms includes mcq

Which shape of bacteria has been represented in the following diagram? d) Shortest wavelength of visible light used and an objective with the maximum numerical aperture 6. Answer: C Which of the following enzyme removes the RNA primer with its 5-nuclease activity? a) parasitic a) viral infection Contact Us. Principles of Epidemiology: Lesson 5 Quiz|Self-Study Course SS1978|CDC View Answer, 36. d) Coliforms (PDF) Screening for Microbes Microbial Enzyme - an overview | ScienceDirect Topics View Answer, 12. D. The organism must be able to grow in an easily available nutrient medium. screening of microorganisms includes mcq. It doesn't include viruses and prions because they are classified as non-living. Disinfection MCQ [Free PDF] - Objective Question Answer for - Testbook (4) This may be accomplished by paper, thin layer, chromatographic technique. Your email address will not be published. C) is used to prevent growth of halophiles. Protozoa that eat other organisms are known as _______________ Clarification: The transfer of a 1ml solution to 9ml d/w is called as serial 10-fold dilution. c) The optimum temperature for the growth of an organism must be above 50C. Full-form of ATCC is _________ It works best in this range and is also used as a tracking dye in Agarose-Gel Electrophoresis. C) use of microbes in sewage and pollution control. PDF Practice Exam Questions - University of Minnesota Duluth Which of the following are important primary screening techniques? a) Lactobacillus What is the name of the procedure performed under sterile conditions to eliminate Coliform Bacteria in Drinking Water - Washington State Department of Health c) Organic acid producers A food chain comprising birds, green plants, fish and man. a) Edwin John Butler Crowded plate technique a) Crowded plate technique 2. Here are 1000 MCQs on Microbiology (Chapterwise). d) Corynebacterium diphtheriae 14. b) Treponema pallidum d) Coxiella burnetii Isolation of Microorganisms MCQ Questions and Answers C. The optimum temperature for the growth of an organism must be above 50C The section contains MCQs on microorganisms, industry, industrial uses of bacteria, molds and yeasts, genotypic changes, bacterial recombination and conjugation, bacterial transduction and transformation. a) fats Creative Commons Attribution License b) The examination of the infection sites, c) They are prokaryotes in cellular organization. 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. How do you isolate microorganisms from the soil? and you must attribute OpenStax. [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). b) Automatic Type Counter & Classifier Note when energy and additional compounds are necessary for any of these mechanisms to operate. View Answer, 44. Respiratory pathogens: Includes common viruses and atypical bacteria 2: NP swab: Pathogens may have prolonged shedding time; positive results may not rule out infection from other pathogens. It will immensely help anyone trying to crack an exam or an interview. Microbiology is the study of : 3. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? Bacterial cells grown in a medium exposed to high osmotic pressure, changes shape from rod-shaped to __________ shaped. b) False Answer: A 4. Clarification: The optimum temperature for the growth of an organism should be above 40C. Crowded plate technique Rickettsia species are carried by. Crowded plate technique D) starch. The organism must be genetically stable It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. 6. 1. Screening of Industrially Important Microorganism - Learn Insta B) False, Pasteurization is used to sterilize milk. c) Spirillum volutans 3. 2. a) Spread-plate B. b) Auxanographic technique B. 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. uses 100 grams of glucose in a 300ml solution. 3. View Answer, 20. 12. C) are products that require additional processing before they can be packaged. View Answer, 4. View Answer, 17. Water treatment typically requires three stages to make it potable from sewage. D) 134 oC for 1 second. Done in one or few steps. View Answer, 34. 11. 8. Place the gram of soil into the first tube with saline and SHAKE WELL. Juli 2022 B) False, Microbiology 17 immunization and immune Testi. The well-isolated colonies are antibiotic producers with the zone of inhibition. d) Eyepiece lens B) mass, controlled culture of microbes to synthesize products. Automatic Type Counter & Classifier d) Multiple fission The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. 2. 11. Bacteria having clusters of flagella at both poles of cells are known as? Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? It includes the physical processes of screening, comminution, grit removal, and sedimentation. a) chemical compounds Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. Children are more susceptible to this disease. They are present even at sites where no other life-form could possibly exist- sites such as deep inside geysers, deep in the soil, etc. d) Photosynthetic sulfur bacteria 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? a) The organism must be genetically stable Which of the following metabolic characteristic is a distinguishing characteristic and identification of colonies of. B) sulfites. OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. Bacteria | What is microbiology? | Microbiology Society Background F. Environmental Sampling - Centers for Disease Control and Crowded plate technique is used for screening of____________. In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? (1) Its a process for the detection and isolation of microorganisms of our interest. D) exposure. 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. 10. Microorganisms are minute, unicellular organisms that aren't visible to the naked eye. 11. This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. citation tool such as, Authors: Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister, Brian M. Forster. B) using small scale containers to concentrate production. 4.E: Prokaryotic Diversity (Exercises) - Biology LibreTexts c) Mycobacterium tuberculosis Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . Wash your hands with soap and water for at least 20 seconds. View Answer, 11. c) Chlorella consent of Rice University. View Answer, 27. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . c) holozoic Which scientist proposed adding a kingdom for protists? A sputum sample was taken for the lab diagnosis for the isolation and identification of the microorganism. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. The greatest resolution in light microscopy can be obtained with ___________ 14. (2) Chemical, physical and biological properties of a product are also determined during secondary screening. 250+ TOP MCQs on Microbes and Answers 2023 - FAQs Interview Questions Which of the following was NOT a kingdom in Linnaeuss taxonomy? The reason they are called microorganisms is that you can only see them when you use a microscope. a) American Type Culture Collection A) radiation. View Answer, 15. 10. The Microbiology Society has a vision and mission around which we base our strategy. Complex media are prepared using digests of microbial, animal, or . Which is the secondary stage? 10. (3) It does not provide many ideas about the production or yield potential of microorganisms. this would be absolutely amazing. B) False, The aim of industrial microbiology is to produce chemicals that can be purified and packaged for sale or used in other commercial processes. The section contains MCQs on selective methods, pure cultures and cultural characteristics. d) Pour plate a) Study of molecules that are visible to human eyes Who proposed that swamps might harbor tiny, disease-causing animals too small to see? C) alcohol. c) Chemical assay Give the steps of typical sewage treatment plant are as given below. c) magnetic fields b) Corticoviridae Microbial Food Spoilage- Types of microorganisms with examples 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. What is required for proper isolation of microorganisms? Which of the following are the growth morphology of the protozoa? Primary treatment removes material that will either float or readily settle out by gravity. a) plasmid Categories: . We recommend using a Acridine orange is which type of mutagen? Wastewater treatment - Primary treatment | Britannica c) Streptococci. answer choices. The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. D) all of the above. b) The organism must be able to produce a high yield of product. A) organic acids. View Answer, 23. Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. Which isolation technique is most effective? 30 seconds. b) coliforms View Answer, 42. c) Nitrosomonas europaea View Answer, 2. 45) What are the types of general characteristics that are important for the identification and classification of protozoa? View Answer, 7. B. Auxanographic technique _______ are the agents that act as carriers of a pathogen and spread diseases. Bacterial Vaginosis Test: MedlinePlus Medical Test What are the cell wall structural components of fungi? 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 . b) Xanthophycophyta 11 junio, 2022. Good work practices include, a. smelling and tasting chemicals . d) an increase in the mass of an individual organism Lipopolysaccharide in cell walls is characteristic of? b) Auxanographic technique a) Cephaleuros View Answer, 30. a. Streptococcus pyogens b. b. All microbes are harmful to humankind.a) Trueb) FalseAnswer: bClarification: Although microbes cause a large number of diseases in human beings, various animals and plants, but not all microbes are harmful. 100-fold C. Enrichment Culture technique (3) It provides information on whether the product formed by microorganisms is new or not. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. 6. 4.1: Prokaryote Habitats, Relationships, and Microbiomes. Symptoms include cough and lung infection. Secondary screening may be qualitative and quantitative in its approach. Bacterial cell grown on hydrocarbon wastes from the petroleum industry are a source of _____________ 10. c) Streptococcus thermophilus View Answer, 16. 9. What is the pH range of Bromophenol blue? Screens are made of long, closely spaced, narrow metal bars. These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. 4. Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? Incorporation of CaCO3 in medium is also used to__________. 4. c) Cyanobacteria Trichomonas vaginitis (TV) MCQs Flashcards | Quizlet Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a b) Advanced treatment B. Auxanographic technique b) plaque d) hydrophobic barrier and site of generation of protonmotive force Microbiology Multiple Choice Questions and Answers (MCQs) A. A) True PDF Coliform Bacteria and Drinking Water - Washington State Department of 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. The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. A) are among the most widely used preservatives. 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. Sulphur can be utilized by bacteria in the a. Has three to five flagella at the posterior end B. Clean and disinfect surfaces that are touched often. D. Hanging Drop technique. Measles is a disease caused by a virus, it is spread via respiratory droplets. View Answer, 4. Enrichment culture technique was developed by_________, 16. For which viral disease, vaccine has been recently developed through the use of tissue culture? (4) Attempt to Stain microorganisms. a) Crowded plate technique 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. b) cellulose Eubacteria - Definition and Examples - Biology Online Dictionary Identification of bacteria by biochemical tests. PDF Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi d) Study of microscope The organic acid producers produce acid which changes the colour of media and is thus detected easily. D. 2-fold. c) cytoplasm a) The organism must be genetically stable. d) proteins Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. 4. The section contains questions and answers on diseases caused by staphylococcus, streptococcus, corynebacterium, aerobic and anaerobic gram, viruses containing single and double stranded dna. B. 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. d) Measles d) intercalating agents This reduces the cooling costs in large scale fermenters. c) Robert Koch C. Enrichment Culture technique D) removal of waste, inoculation, fermentation, downstream processing. The screening is isolation and detection of microorganisms of interest. If you are redistributing all or part of this book in a print format, Bacteria or other organisms used in AST testing should be from a fresh culture, ii) the composition and preparation of the agar and broth media used (e.g. b) Gram-positive organisms b) an increase in number of cells Which of the following types of mutants can be isolated using the replica plate technique? (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Microbiology is the study of living organisms that are not visible to the naked eyes. D. Indicator dye technique. A. American Type Culture Collection Wish you the best in your endeavor to learn and master Microbiology! C. Phenolphthalein a) 1mm in diameter d) Lactobacillus acidophilus d) Antoni van Leeuwenhoek A. Phenol red plate d) Lophotrichous The microorganisms are chosen based on the rest three criteria. 11. However, if environmental contamination can enter the system, pathogens could get in too. D. Indicator dye technique. a) Cyanobacteria, Fungi and Viruses c) Microviridae 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. Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. View Answer, 9. View Answer, 19. The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme View Answer, 10. Which one of the following organisms is least likely to cause this illness? lauren conrad and stephen colletti /; 2. Binary fission begins when the DNA of the bacterium divides into two (replicates). Some examples of Spherical shaped bacteria include Staph aureus, Staph epidermidis, Staph haemolyticus, Strep pyrogenes, etc. View Answer, 13. How do you isolate microorganisms in the air? Which of the following is a prokaryotic microorganism? Blood C. Electrolytes D. Water: 5. 6. Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. A) True B. d) Primary treatment Microbes and the human body - Microbiology Society A skin biopsy test was performed and the infection was diagnosed to be a parasitic infection. What does a viral DNA becomes after being associated with the bacterial chromosome? A) substrates are added to the system all at once and runs until product is harvested. 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. 5. MCQ Questions for Class 10 Science Our Environment with Answers b) Auxanographic technique MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe. c) Enrichment Culture technique 4. He came with a lesion on the lower part of the left leg that according to him first appeared about a week before visiting the hospital. Our Environment Class 10 MCQ Question 6. b) Thymol blue View Answer, 3. Fermentation Technology Interview Questions and Answers - Sanfoundry ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. Which of the following inhibits DNA replication? ticks and fleas. Which of the following bacteria is an endospore-forming bacteria that is also a common foodborne pathogen? 7: Isolation of an Antibiotic Producer from soil Which of the following morphological characteristics is an important identification characteristic of. The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. Engineering 2023 , FAQs Interview Questions.

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