In screening studies, it is recommended to use non-sterile soil, test different inoculation methods and different abiotic stresses, and even select microorganisms from plants under abiotic stress. View Answer, 35. a) Killing all microorganisms. C) inoculation, fermentation, downstream processing, removal of waste. B. Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. 2. View Answer, 9. Penicillin causes inhibition of Mycoplasmas. b) Study of animals and their family 9. Which of the following was NOT a kingdom in Linnaeuss taxonomy? Ch. 1 Multiple Choice - Microbiology | OpenStax Crowded plate technique Bacteria MCQ s with Answers | Net Explanations b) coliforms It is further followed by secondary screening, to check the capabilities and gain information about these organisms. A. Who was the first to observe animalcules under the microscope? Lung infection was suspected, and a chest X-ray was performed which showed infection in both lungs. Trophic level in an ecosystem represents. The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. Which among the following are microaerophilic bacteria? View Answer, 24. c) Streptococci. MCQ.8): In which of the following bacterial condition, fimbriae helps the bacteria to stick to the mucous membrane of the host? View Answer, 13. Cryptococcosis is a disease of ________________ Answer: B microscopic with a fried egg shape. View Answer, 46. View Answer, 36. Disinfection MCQ [Free PDF] - Objective Question Answer for - Testbook The common symptoms are pink or red spots on the skin surface, dry cough, and runny nose. a) elongated In this process desired microorganism is generally isolated from a natural environment like soil, which . Clarification: Auxanographic technique proceeds with 2-plate preparation. b) Viruses View Answer, 10. View Answer, 14. Clarification: Phenol Red plate is used to detect and isolate organic acid producers. c) Nitrosomonas europaea 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. The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. A) True c) holozoic Viral hemagglutination assays only work with certain types of viruses because. Answer: 1. Clarification: ATCC stands for American Type Culture Collection. 9. b) Thymol blue d) Indicator dye technique View Answer, 26. (3) It does not provide many ideas about the production or yield potential of microorganisms. Incorporation of CaCO3 in medium is also used to__________. View Answer, 20. 30 seconds. c) cytoplasm a) True [2] The term for organisms that retain the . c) Enrichment Culture technique b) Advanced treatment b) False This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. answer choices. Trichomonas vaginitis (TV) MCQs Flashcards | Quizlet A) manipulating the growth environment. C. 1000-fold The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. a) Leuconostoc mesenteroides This reduces the cooling costs in large scale fermenters. Which of the following is not microbe?a) Bacteriab) Protozoac) Viroidsd) WormsAnswer: dClarification: Microbes are diverse in nature and include- protozoa, bacteria, fungi and microscopic animal and plant viruses, viroids and also prions that are proteinaceous infectious agents. The organism must be genetically stable 6. b) Auxanographic technique 7. c) Phenolphthalein B) are by-products of metabolism that are not important to microbe function. You will get a gown or sheet as a cover. 3. c) base analog c) Enrichment Culture technique a) Condenser lens The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. 5. Which of the following statements is correct regarding secondary screening________. c) 2.5 to 4 percent 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. a) viruses Background F. Environmental Sampling - Centers for Disease Control and View Answer, 15. A. A. B. Auxanographic technique c) rod shaped Which was the first disease for which a chemotherapeutic agent was used? View Answer, 28. Growth of bacteria or microorganisms refer to __________________ Eubacteria - Definition and Examples - Biology Online Dictionary Note when energy and additional compounds are necessary for any of these mechanisms to operate. Which of the following is not a subfield of microbiology? Here are 1000 MCQs on Microbiology (Chapterwise). Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. 9. The section contains multiple choice questions and answers on viruses, vaccination, structure, composition, viruses classification, virus infection and fatal diseases. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Vaccination was invented by ____________ A skin biopsy test was performed and the infection was diagnosed to be a parasitic infection. Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes, (1) Detection and isolation of microorganisms that possess potentially interesting industrial application, (3) It helps in providing information regarding the product yield potentials of different isolates. b) Auxanographic technique Answer: A Candidiasis is a fungal infection, skin infection, and mouth or vaginal infection that can occur due to the overgrowth of the fungus. a) DNA polymerase III c) Enrichment Culture technique View Answer, 42. The cell structure of gram positive and gram negative bacteria appear as the picture given below after the gram staining procedure, Gram positive bacteria Gram negative bacteria. Your health care provider will insert a special tool called a speculum into your vagina. b) Gram-positive organisms The section contains MCQs on size, shape and arrangement of bacterial cells, cell wall, structures external and internal to the cell wall. Bacterial Identification | 8 Methods & Tests In Microbiology - Study Read a) Neisseria gonorrhoeae. Which of the following types of mutants can be isolated using the replica plate technique? 11. Answer: D b) Nitrosococcus oceanus These microorganisms have been often under-appreciated and under-studied. Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. 4. d) Indicator dye technique 5. c) Gram-negative bacteria b) The examination of the infection sites, c) They are prokaryotes in cellular organization. View Answer, 31. A) production of alcoholic beverages by microorganisms. 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. is affected by the patient's food intake on the day of testing. Name three reserve materials synthesized by microorganisms and note which microbial groups Which among the following is not an ammonia-oxidizing bacteria? b) hydrophilic barrier answer choices. 1215, 1216 137, 1217 Particles in a biological aerosol usually vary in size from <1 m to 50 m. 1. The reason they are called microorganisms is that you can only see them when you use a microscope. b) True What is the pH range of Bromophenol blue? d) The organism must be able to grow in an easily available nutrient medium Which of the following are the growth morphology of the protozoa? Clarification: The Antibiotic producers show the zone of inhibition. screening of microorganisms includes mcq - faktru.news The section contains multiple choice questions and answers on normal flora, human host, normal flora distribution, microbial adherence, epithelial cell layers penetration and microbial virulence factors. Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. a) plasmid 10. a) True screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 A. American Type Culture Collection d) Shortest wavelength of visible light used and an objective with the maximum numerical aperture Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. a) False A. 1g of soil is added to that test tube and the soil is allowed to settle down. Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. 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. Contact Us. All Rights Reserved. Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. 2. microbiology mcqs online test / microbiology mcq quiz / microbiology Biodegradation: Involved Microorganisms and Genetically Engineered d) 5 percent Prokaryotes are very flexible metabolically, so they are able to adjust their feeding to the available natural resources. . Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. Which of the following plate is used to detect and isolate organic acid producers? Question 6. What is required for proper isolation of microorganisms? screening of microorganisms includes mcq d) cathode rays C. Enrichment Culture technique 6. c) Cyanobacteria Our members have a unique depth and breadth of knowledge about the discipline. [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). Microbes can live in highly acidic as well as an alkaline medium. a) electron beams and magnetic fields 5. a) glycerol residues Which among the following group of microorganisms are found in the ducts of cows mammary glands? B. 7. A. Antibiotic producing microorganisms can be detected by the method__________, 5. b) Fermented dairy products Which shape of bacteria has been represented in the following diagram? a) Growth Factor producers d) spherical b) Treponema pallidum View Answer, 43. How do you isolate microorganisms in the air? D. Hanging Drop technique. d) Bacillus polymyxa Most E. coli bacteria are harmless and are found in great quantities in the intestines of people and warm-blooded animals. MCQ Questions for Class 10 Science Our Environment with Answers 4. Which of the following bacteria is an endospore-forming bacteria that is also a common foodborne pathogen? 6. 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. Microbial Enzyme - an overview | ScienceDirect Topics Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. 10. b) mycotic infection b) Streptomyces olivaceus 2. Detrimental effects of microorganisms in food include, Fermentation of grains usually results in production of, During malting, barley and other grains are broken down by, Milk fermentation to produce cheese is done initially by inoculating with, Pickles and sauerkraut share a common inoculum, which is. 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. Done in one or few steps. View Answer, 29. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? Which of the following statement is correct regarding primary screening________. View Answer, 7. 12. 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. Isolation of Microorganisms MCQ Questions and Answers c) hydrophobic barrier Which of the following foods is NOT made by fermentation? 11 junio, 2022. a) chemical compounds Which of the following types of microorganisms is photosynthetic? c) Organic acid producers View Answer, 25. chipotle corporate phone number . b) mutualistic 3. d) DNA polymerase II Staphylococcus Aureus - StatPearls - NCBI Bookshelf b) Potato Dextrose Agar plate d) cellulase Crowded plate technique a) cellulose dehydrogenase Microorganisms Class 8 Science Chapter 2 as per NCERT Book used in CBSE and other Schools. Which of the following yeast can be used to produce microbial protein? A. 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 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. A) True Microbes are only present in hot and humid areas.a) Trueb) FalseAnswer: bClarification: Microbes occur everywhere- in soil, water, air, inside our bodies and that of other animals and plants. c) The optimum temperature for the growth of an organism must be above 50C Required fields are marked *. Complex media are prepared using digests of microbial, animal, or . Defined media are prepared by adding precise amounts of highly purified inorganic or organic chemicals to distilled water. Which of the following method proceeds with 2-plate preparation? Microbes and the human body - Microbiology Society B) False, Pasteurization is used to sterilize milk. B) inhibit germination of botulism spores. d) Photosynthetic sulfur bacteria View Answer, 9. It is used to reduce the dense culture of cells to usable concentration. The process is repeated several times until the requirement is met. The section contains questions and answers on light microscope, microbial Stains, transmission and scanning electron microscope. 11. 7. What does a viral DNA becomes after being associated with the bacterial chromosome? Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? d) both aerobic and anaerobic cells View Answer, 12. Crowded plate technique Prokaryotes can be found everywhere on our planet, even in the most extreme environments. c) Peritrichous Which of the following plate is used to detect and isolate organic acid producers? Chemical preservatives do NOT include includes 6 urine samples. Which of the following is a prokaryotic microorganism? d) All of the mentioned c) 5 8 Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . a) 1mm in diameter 8. It is a non-profit organization and a key resource for medical research. 14. Screening of industrial Microorganisms Quiz - Quizizz B. (2) Attempt to kill microorganisms outside of their natural environment. View Answer, 4. a) anaerobic cells d) Eyepiece lens c) fecal streptococci View Answer, 7. a) Streptomyces sp. A. Phenol red plate b) ribitol residues The Microbiology Society has a vision and mission around which we base our strategy. Mycoplasma pneumoniae is an unusual bacteria which has distinctive characteristics, such as. 3. View Answer, 32. Definition: true bacteria; bacteria excluding the archaea. D) small-scale production is used to synthesize product. Microorganisms - Groups, Characteristics, Importance and Uses - VEDANTU Children are more susceptible to this disease. d) gene c) Study of organisms that are not visible to naked eyes A) organic acids. d) Study of microscope The well-isolated colonies are antibiotic producers with the zone of inhibition. C) selecting microbial strains that lack a feedback system. b) Streptococcus lactis a) Crowded plate technique 8. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. c) Secondary treatment 3. The Quizzes about Fecal Analysis (32 tests) - MedQuizzes B) False, Freezing at below -20 oC will kill most pathogenic food bacteria and inactivate toxins. B. Auxanographic technique Methyl red Q. Bacterial endospores are more resistant to antimicrobial control methods than all other microbial forms. A. 6. Which of the following method is not used in isolation and screening of desired microorganisms? Pathogen testing is continuously performed throughout the production . d) intercalating agents View Answer, 10. C. Enrichment Culture technique Which of the following media is used for screening amylase? D) all of the above. c) UV light the virus must be able to lyse red blood cells. b) 8.0 10.0 c) Streptococcus thermophilus d) 6.4 8.0 d) Indicator dye technique a) cytoplasmic membrane Lipopolysaccharide in cell walls is characteristic of? In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? D. American Type Classifier and Collection. Microbiology MCQ. b) Automatic Type Counter & Classifier B. Auxanographic technique You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. Microbiology MCQ With Answers Keys. Free Download - BYJUS Which of the following pulmonary pathogens cannot be easily detected by the gram staining technique when performing a microscopy test? c) Pour-plate and spread plate View Answer, 2. Fecal coliform bacteria are a subgroup of total coliform bacteria. b) Mesophile and psychrophile d) Lophotrichous The screening is isolation and detection of microorganisms of interest. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? c) chitin A. Full-form of ATCC is _________ The lesson covers the complete explanation of class 8 Chapter 2 Microorganisms.Topics covered are Introduction to Micro-organisms and microbiology, different types of Micro-organisms, Useful and Harmful Micro-organisms. MCQ on Industrial Microbiology. a) Spread-plate The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. Label these plates 1/10 3 through 1/10 6. (4) This may be accomplished by paper, thin layer, chromatographic technique. a) Bacillariophycophyta b) cellulose lauren conrad and stephen colletti /; 2. 1. 2. Who is considered the "father of Western medicine"? Screening of Industrially Important Microorganism 1999-2023, Rice University. C lostridium perfringens is an obligate anaerobic bacteria that do not require oxygen to grow and thus it is not Microaerophilic, microaerophilic bacteria require low amounts of oxygen for growth. Chapter 2: Classification of Medically important Bacteria MCQs. View Answer, 3. b) Atrichous bacteria. 5. 2. 7: Isolation of an Antibiotic Producer from soil D) exposure. Indeed, until Anton von Leeuwenhoek invented . A routine GTT: is three hours long. Which of the following method is useful for the isolation and detection of organisms having the ability to produce growth factors? Principles of Epidemiology: Lesson 5 Quiz|Self-Study Course SS1978|CDC D. Indicator dye technique. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download.