They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. 5. 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. It is important to find and resolve the source of the contamination. Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. We recommend using a Some of the frequently asked exam questions are as follows:-. D. Indicator dye technique. a) plasmid Yeast cells are good source of. View Answer, 11. View Answer, 24. a) Nitrospina gracilis View Answer, 43. Which of the following method proceeds with 2-plate preparation? View Answer, 42. b) an increase in number of cells MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe. (2) Chemical, physical and biological properties of a product are also determined during secondary screening. a) phospholipids Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . How do you isolate microorganisms in the air? A) substrates are added to the system all at once and runs until product is harvested. Each daughter cell is a clone of the parent cell. Which of the following dye is colourless at acidic pH and becomes red at basic pH? Prokaryotes are unicellular microorganisms whose cells have no nucleus. A. Note when energy and additional compounds are necessary for any of these mechanisms to operate. Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a A) radiation. Creative Commons Attribution License It doesn't include viruses and prions because they are classified as non-living. The respiratory chain of bacteria is associated with the _____________ Which of the following is not a subfield of microbiology? B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. c) MacConkeys Agar plate The section contains questions and answers on biological and economic importance of algae, algae characteristics and classification, ecology and protozoa importance, protozoa characteristics, protozoa morphology and reproduction. 1999-2023, Rice University. 10. screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 b) plaque Tyrocidines are more effective against ___________________ 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. Answer: A The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. 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. b) below 1 percent C. The optimum temperature for the growth of an organism must be above 50C d) All of the mentioned Biology Multiple Choice Questions on Microbes. A) organic acids. Dec 20, 2022 OpenStax. It is done by using paper, thin layer or other chromatographic techniques. 9. A test tube contains 9ml distilled water. Self-Assessment Quiz. Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. 11. Blood C. Electrolytes D. Water: 5. d) cathode rays a) S mallpox Staphylococcus Aureus - StatPearls - NCBI Bookshelf 5. Phosphorus is essential component of __________ Control of Microbial Growth | Medicine Quiz - Quizizz View Answer, 13. Growth Factor producers Which of the following enzyme removes the RNA primer with its 5-nuclease activity? Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. View Answer, 48. Question 6. Which among the following are microaerophilic bacteria? In this process the bacterium, which is a single cell, divides into two identical daughter cells. d) Phenol red Which of the following foods is NOT made by fermentation? All of the above. a) Small pox All the microorganisms such as amoeba, protozoa, viruses, bacteria are studied under microbiology. b) Fungi 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? 5. View Answer, 30. c) Chlorella Which isolation technique is most commonly used for colony isolation in the laboratory? ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. 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. B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. b) Auxanographic technique 6. 4. View Answer, 26. Screens are made of long, closely spaced, narrow metal bars. The section contains MCQs on selective methods, pure cultures and cultural characteristics. d) Indicator dye technique What is Microbiology? 6. True. In batch fermentation, 1. Mycoplasma pneumoniae is an unusual bacteria which has distinctive characteristics, such as. Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . a) Alcoholic beverages The microorganisms secrete the enzymes into their nutrient medium to make better use of it. 14. View Answer, 8. b) cellulose Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . Clarification: The Auxanographic technique is used for the detection and isolation of the organisms which are growth factor producers. d) Rose Bengal Agar plate C. Enrichment Culture technique 7. Crowded plate technique B. Auxanographic technique b) Mesophile and psychrophile (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. a) Algae c) Lactobacilli c) Enrichment Culture technique Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. Principles of Epidemiology: Lesson 5 Quiz|Self-Study Course SS1978|CDC 7. d) proteins 9. Set up a series of 1/10 dilutions: a. Air Sampling. As an Amazon Associate we earn from qualifying purchases. Crowded plate technique is used for screening of____________. b) Monotrichous a) site of generation of protonmotive force (2) Attempt to kill microorganisms outside of their natural environment. View Answer, 37. d) Indicator dye technique screening of microorganisms includes mcq. Pathogen & Spoilage Testing - Sigma-Aldrich Categories: . Here are 1000 MCQs on Microbiology (Chapterwise). False. Which shape of bacteria has been represented in the following diagram? 12. (1) It is useful in sorting microorganisms that have real commercial value. c) Enrichment Culture technique Pathogen testing is continuously performed throughout the production . The organic acid producers produce acid which changes the colour of media and is thus detected easily. B. Chrysolaminarin is the reserved food of ___________________ C. Enrichment Culture technique Often overlooked, hand-washing is one of the easiest and most effective ways to protect yourself from germs and most infections. c) The optimum temperature for the growth of an organism must be above 50C C) use of microbes in sewage and pollution control. c) Desulfotomaculum sp. Microbes are certainly ideal for biotechnology. Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. 26. 3. Who was the first to observe "animalcules" under the microscope? Answer: B 3. Screening of Industrially Important Microorganism a) cytoplasmic membrane d) Coliform bacteria. c) Secondary treatment The production of substances in industrial microbiology occur in the sequence: a) Crowded plate technique a) False It includes the physical processes of screening, comminution, grit removal, and sedimentation. b) irregular View Answer, 47. answer choices. [1] Often the first test performed, gram staining involves the use of crystal violet or methylene blue as the primary color. Crowded plate technique c) Nitrosomonas europaea Which of the following inhibits DNA replication? 4. b) Rhodospirillum View Answer, 36. 2011-2023 Sanfoundry. Which scientist proposed adding a kingdom for protists? 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. Coliform Bacteria in Drinking Water - Washington State Department of Health 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. (4) It separates out only a few microorganisms, only a few have commercial value while discards the valueless microorganisms, 14. 1. 1. PDF Laboratory Methodologies for Bacterial Antimicrobial - Woah Which of the following is a family of lambda phage viruses? d) Phaeophycophyta citation tool such as, Authors: Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister, Brian M. Forster. Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . 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. Which of the following is the source of Vitamin A. b) Viruses 2. Who is considered the "father of Western medicine"? Antibiotic producing microorganisms can be detected by the method__________, 5. b) teichoic acid screening of microorganisms includes mcq OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. lack of cell wall. b) Magnifying lens For which viral disease, vaccine has been recently developed through the use of tissue culture? View Answer, 49. C. Enrichment Culture technique A) True _______ are the agents that act as carriers of a pathogen and spread diseases. is affected by the patient's food intake on the day of testing. Here are 1000 MCQs on Microbiology (Chapterwise), The Characterization, Classification and Identification of Microorganisms, The Microscopic Examination of Microorganisms, The Morphology and Fine Structure of Bacteria, Pure Cultures and Cultural Characteristics, Microbial Metabolism : Utilization of Energy and Biosynthesis, The Control of Microorganisms by Physical & Chemical Agents, Antibiotics and Other Chemotherapeutic Agents, Microbiology of Soil & Aquatic Microbiology, Microbiology of Domestic Water and Wastewater, Microbiology of Food, Industrial Microbiology & Bacterial Genetics, Microbial Flora of the Healthy Human Host, Host-Microbe Interactions : The Process of Infection, Microbial Agents of Disease : Bacteria & Viruses, Microbial Agents of Disease : Fungi and Protozoa, Microbiology MCQ: Major Characteristics of Microorganisms, Microbiology MCQ: Microbial Classification, Microbiology MCQ: Transmission Electron Microscope and Scanning Electron Microscope, Microbiology MCQ: The 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Protein Synthesis, Microbiology MCQ: Aerobic Gram Negative Rods and Cocci, Microbiology MCQ: Facultatively Anaerobic Gram Negative Rods, Microbiology MCQ: Anaerobic Gram-Negative Straight, Curved and Helical Rods, Microbiology MCQ: The Rickettsias and Chlamydias, Microbiology MCQ: Endospore Forming Gram Positive Bacteria, Microbiology MCQ: Nonspore Forming Gram Positive Bacteria, Microbiology MCQ: Physiology and Cultivation of Fungi, Microbiology MCQ: Classification of Fungi, Microbiology MCQ: Some Fungi of Special Interest, Microbiology MCQ: The Biological and Economic Importance of Algae, Microbiology MCQ: Characteristics of Algae, Microbiology MCQ: Classification of Algae, Microbiology MCQ: Ecology and Importance of Protozoa, Microbiology MCQ: Reproduction of Protozoa, Microbiology MCQ: Characteristics of Some Major Groups of Protozoa, Microbiology MCQ: Morphology and Structure of Phages, Microbiology MCQ: Replication of Bacterial Viruses, Microbiology MCQ: Viruses and Vaccination, 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DNA, Microbiology MCQ: Diseases Caused by Fungi, Microbiology MCQ: Diseases Caused by Protozoa, Microbiology MCQ: Therapeutic Drugs for Treatment of Fungal and Protozoan Diseases, Environmental Biotechnology MCQ Questions, 1000 Data Structures & Algorithms II MCQs, 50k Electronics & Communication Engg MCQs. It will immensely help anyone trying to crack an exam or an interview. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? 1. 5. D. Rose Bengal Agar plate. pH, cations, thymidine or thymine, use of supplemented media). True Microorganisms Class 8 Notes, Question Answers - successcds 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. Salting, as a preservative, Which of the following types of mutants can be isolated using the replica plate technique? a) Growth Factor producers A) True A 19-year-old male living in a tropical region of India visited the hospital. Binary fission begins when the DNA of the bacterium divides into two (replicates). c) 5 8 View Answer, 10. a. Trichomonas vaginitis (TV) MCQs Flashcards | Quizlet d) Pedoviridae View Answer, 12. a) changes in the total population 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. These microorganisms have been often under-appreciated and under-studied. The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. chipotle corporate phone number . Your health care provider will insert a special tool called a speculum into your vagina. 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 . View Answer, 5. 2. 15. lauren conrad and stephen colletti /; 2. Answer: B c) magnetic fields 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. Which of the following method is useful for the isolation and detection of organisms having the ability to produce growth factors? The section contains multiple choice questions and answers on morphology, reproduction, physiology and fungi cultivation, fungi classification and special interest. Butanol is obtained by fermenting molasses by. 13. During their metabolism, microbes produce chemicals, some of which are used by human beings. 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. Bacteria having clusters of flagella at both poles of cells are known as? D) 134 oC for 1 second. B. Auxanographic technique Home Class 12 Biology Objective Questions 250+ TOP MCQs on Microbes and Answers. A food chain comprising birds, green plants, fish and man. 1. b) Syphilis A. Fecal occult blood B. a) electron beams and magnetic fields View Answer, 9. Sanfoundry Global Education & Learning Series Fermentation Technology. Microorganism Definition. What are the cell wall structural components of fungi? Engineering 2023 , FAQs Interview Questions. a) DNA polymerase III 4.E: Prokaryotic Diversity (Exercises) - Biology LibreTexts Full-form of ATCC is _________. View Answer, 38. Which of the following is the most accurate method for microbial assay of antibiotics? [2] The term for organisms that retain the . The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. c) base analog Water treatment typically requires three stages to make it potable from sewage. b) mycotic infection 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. 8.0 10.0 4.0 SECONDARY SCREENING OF MICROORGANISMS . D. American Type Classifier and Collection. Which of the following statements about food chain and energy . Identification of bacteria by biochemical tests. 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. C. Enrichment Culture technique c) Enrichment Culture technique 7. A) manipulating the growth environment. The colour of plate changes from red to yellow in the zone of organisms producing organic acid. The Microbiology Society has a vision and mission around which we base our strategy. 4. Clarification: Phenol Red plate is used to detect and isolate organic acid producers. Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? Penicillin causes inhibition of Mycoplasmas. b) False Identify bacteriophage. (1) Its a process for the detection and isolation of microorganisms of our interest. a) Crowded plate technique c) AIDS B. Which of the following method is not used in isolation and screening of desired microorganisms? For this dilution, it may be said that the solution was diluted _______ 4. milk, meat, green vegetables, fruits, etc.) 3. Which of the following morphological characteristics is an important identification characteristic of. d) Cristispira Vaccination was invented by ____________ It is used to reduce the dense culture of cells to usable concentration. Potato Dextrose Agar plate Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include About Oracle NetSuite. a) parasitic Genetic engineering is also used to improve the biodegradation . Clarification: The optimum temperature for the growth of an organism should be above 40C. View Answer, 40. The Quizzes about Fecal Analysis (32 tests) - MedQuizzes False. [2][3] S. aureus is found in the . b) Gram-positive organisms a) True a) Thiobacillus thiooxidans a) Neisseria gonorrhoeae. d) mitochondrial membrane You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. It should not leave damage and odour. b) Killing pathogenic microorganisms c) Killing spores d) None of these answer-A 3. Who was the first to observe animalcules under the microscope? 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.

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