screening of microorganisms includes mcq screening of microorganisms includes mcq

b) Acanthopeltis Glycosylated hemoglobin: causes sickle cell anemia. C. Phenolphthalein 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 A) True a) Phenol red plate c) Cyanobacteria 8. In modern plants the screens are cleaned . Most E. coli bacteria are harmless and are found in great quantities in the intestines of people and warm-blooded animals. D. Hanging Drop technique. D) starch. d) Cristispira The screening is isolation and detection of microorganisms of interest. The organism must be genetically stable Wish you the best in your endeavor to learn and master Microbiology! a) Nitrospina gracilis D. Indicator dye technique. b) Xanthophycophyta Auxanography technique is employed for detecting microorganisms able to produce__________. 11 junio, 2022. As an Amazon Associate we earn from qualifying purchases. Clarification: The Auxanographic technique is used for the detection and isolation of the organisms which are growth factor producers. Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. c) Crick c) Phenolphthalein Which of the following was NOT a kingdom in Linnaeuss taxonomy? c) prophage (1) Optimal temperature for growth, (2) Optimal oxygen requirements, (3) Optimal nutritional needs (4) All of the above. 6. a) True 15. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? answer choices. c) Chlorophycophyta 4. It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. 3. c) 2.5 to 4 percent D) small-scale production is used to synthesize product. (4) It separates out only a few microorganisms, only a few have commercial value while discards the valueless microorganisms, 14. b) Fermented dairy products c) fecal streptococci C) selecting microbial strains that lack a feedback system. 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 proceeds with 2-plate preparation? c) cytoplasm Which among the following group of microorganisms are found in the ducts of cows mammary glands? 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. Label these plates 1/10 3 through 1/10 6. this would be absolutely amazing. Your email address will not be published. d) Rose Bengal Agar plate B. d) glucose residues Microorganisms Class 8 Science Chapter 2 as per NCERT Book used in CBSE and other Schools. 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. (1) It is useful in sorting microorganisms that have real commercial value. d. using damaged equipment and glassware. Which one of the following organisms is least likely to cause this illness? View Answer, 10. Answer: 4. then you must include on every physical page the following attribution: If you are redistributing all or part of this book in a digital format, In this process desired microorganism is generally isolated from a natural environment like soil, which . (3) It provides information on whether the product formed by microorganisms is new or not. True. Which of the following are the growth morphology of the protozoa? Clarification: The prototrophs are the organisms which are capable of synthesizing all the growth requirements by themselves whereas auxotroph is dependent on prototrophs. the virus must be able to cross-link red blood cells directly. 5. d) American Type Classifier and Collection A. You will get a gown or sheet as a cover. Which of the following method proceeds with 2-plate preparation? Trophic level in an ecosystem represents. It is 50,000X magnified image of a bacterium. D) all of the above. C) are products that require additional processing before they can be packaged. d) Physical assay 12. Crowded plate technique This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. Q. Bacterial endospores are more resistant to antimicrobial control methods than all other microbial forms. b) Auxanographic technique Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? 1215, 1216 137, 1217 Particles in a biological aerosol usually vary in size from <1 m to 50 m. 5. d) Amino acid producers Which isolation technique is most effective? a) Vibrio cholerae B. Which among the following are Spirochetes? c) magnetic fields 5. d) Photosynthetic sulfur bacteria b) The examination of the infection sites, c) They are prokaryotes in cellular organization. 10. b) Ferdinand Cohn It should not leave damage and odour. The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. d) Multiple fission b) RNA polymerase 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. 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. c) Enrichment Culture technique 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. It includes the physical processes of screening, comminution, grit removal, and sedimentation. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. Mycobacteria f"u001e MCQs IN MICROBIOLOGY 13. pH required for the growth of bacteria is 22. Here are 1000 MCQs on Microbiology (Chapterwise). (3) Attempt to synthesized secondary metabolites outside of their natural environment. a) Edwin John Butler A) True Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? c) Spirillum volutans These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . Chemical preservatives do NOT include Answer: 1. a) S mallpox c) American Type Counter Collection d) an increase in the mass of an individual organism 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. What is the pH range of Bromophenol blue? 3. b) Corticoviridae c) an increase in the size of an individual organism A. Phenol red plate Our mission is to improve educational access and learning for everyone. 3.0 4.6 Answer: C 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, 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A) retards growth of Staphylococcus aureus. 13. Some examples of Spherical shaped bacteria include Staph aureus, Staph epidermidis, Staph haemolyticus, Strep pyrogenes, etc. Chapter 4: Clinical Virology MCQs. D) removal of waste, inoculation, fermentation, downstream processing. a) Mesophile D. American Type Classifier and Collection. uses 100 grams of glucose in a 300ml solution. 6. What are the methods of isolating the pure culture of microorganisms? Has three to five flagella at the posterior end B. Aims and objectives. d) Measles D. 6.4 8.0. View Answer, 30. Growth of bacteria or microorganisms refer to __________________ A) radiation. d) 6.4 8.0 Q.1. b) Syphilis Good work practices include, a. smelling and tasting chemicals . d) Study of microscope D) A and C . You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. Which one of the following is called as the 'brewers yeast'. b) Nitrosococcus oceanus 2. All the microorganisms such as amoeba, protozoa, viruses, bacteria are studied under microbiology. The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. Which of the following are important primary screening techniques? 13. 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. The Society's role is to help unlock and harness . What is required for proper isolation of microorganisms? Thank you so much for sharing. (1) Its a process for the detection and isolation of microorganisms of our interest. Fecal coliform bacteria are a subgroup of total coliform bacteria. a. Multiple Choice. View Answer, 22. c) Microviridae Contact Us. Clarification: Phenolphthalein has a pH range between 8.0 10.0. c) Mumps View Answer, 17. d) mitochondrial membrane 4. d) Thermophile For this dilution, it may be said that the solution was diluted _______ _______ are the agents that act as carriers of a pathogen and spread diseases. a) Shortest wavelength of visible light used Clarification: Hanging drop technique is used for motility testing of bacteria. Vaccination was invented by ____________ Crowded plate technique True. Secondary metabolites 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. Chrysolaminarin is the reserved food of ___________________ What is Microbiology? In which of the following treatment involve oxidation of organic constituents of the wastewater? a) 3.0 4.6 Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. 1. 11. B. Measles is a disease caused by a virus, it is spread via respiratory droplets. 5. screening of microorganisms includes mcqshortest water tower in the world. 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. C. Enrichment Culture technique A) substrates are added to the system all at once and runs until product is harvested. 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. What is the approximate size of the bacterial cell? View Answer, 9. 7. 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. MCQ.8): In which of the following bacterial condition, fimbriae helps the bacteria to stick to the mucous membrane of the host? Enrichment culture technique was developed by_________, 16. c) Mycobacterium tuberculosis a) Growth Factor producers c) Desulfotomaculum sp. The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms.