It belongs to the phthalein family that is employed as an acid-base indicator. A) are essential to microbe function. Full-form of ATCC is _________. The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. 4. Answer: B a) S mallpox Clarification: The prototrophs are the organisms which are capable of synthesizing all the growth requirements by themselves whereas auxotroph is dependent on prototrophs. Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. 5. 30 seconds. a) Leuconostoc mesenteroides Genetic engineering is also used to improve the biodegradation . c) Desulfotomaculum sp. Sanfoundry Global Education & Learning Series Fermentation Technology. It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. Report an issue. b) Corticoviridae 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. Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. b) 8.0 10.0 A. a) Lactobacillus d) Indicator dye technique (2) Attempt to kill microorganisms outside of their natural environment. 5. Gram positive bacterial cell wall takes the stain of crystal violet and appears, BIOCHEMISTRY, BIOMEDICINE & PHARMACEUTICS, Classification and identification of microorganisms, Branched Chain Amino Acid Metabolism and Maple Syrup Urine Disease, drugs for the treatment of cardiovascular diseases, MEDICAL MICROBIOLOGY gastrointestinal tract, Nosocomial infection/ hospital acquired infections, Lipid Metabolism: MCQs (Cholesterol, Triglycerides, and Other Lipids), MCQs on Sterilization and Disinfection - Decontamination, aseptic processes in laboratory and hospitals, Carbohydrate Metabolism: MCQ on Glycolysis & Gluconeogenesis. d) 5 percent 3. 14. All Rights Reserved. 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) Chemical assay Potato Dextrose Agar plate d) The organism must be able to grow in an easily available nutrient medium d) Multiple fission Which of the following method proceeds with 2-plate preparation? Self-Assessment Quiz. 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. D. Indicator dye technique. The screening is isolation and detection of microorganisms of interest. Which one of the following organisms is least likely to cause this illness? a) Algae 1. 2011-2023 Sanfoundry. Easy detection of the small percentage of useful microorganism. c) Chlorophycophyta Microbiology is the study of : 3. b) ribitol residues If you are redistributing all or part of this book in a print format, C) are products that require additional processing before they can be packaged. View Answer, 2. Who is known as the father of Microbiology? Which organisms show the zone of inhibition grown on a Petri plate? d) Fungi Place the gram of soil into the first tube with saline and SHAKE WELL. Gram negative bacteria take the color of safranin stain and appear pink or red. 1. Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella pneumoniae. c) Streptococcus thermophilus Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. What does a viral DNA becomes after being associated with the bacterial chromosome? 8.0 10.0 A) fermentation, downstream processing, removal of waste, inoculation. 3. A) heat below 100 oC. 12. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? 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. a) Styloviridae Microorganism Definition. b) cell wall 6. We recommend using a d) Coliforms Answer: B Lung infection was suspected, and a chest X-ray was performed which showed infection in both lungs. This reduces the cooling costs in large scale fermenters. 6. a) Gram-negative organisms B. Blood C. Electrolytes D. Water: 5. The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. 11. c) AIDS d) cathode rays 12. b) cellulose d) Thermophile 10. MCQ on Industrial Microbiology. b) transposons During their metabolism, microbes produce chemicals, some of which are used by human beings. View Answer, 13. C. 5 8 7. the virus must not be able to lyse red blood cells. Which of the following is not a subfield of microbiology? Yeast cells are good source of. Which of the following is used in electron microscope? View Answer, 19. Place 6 test tubes into a rack and fill each with 9ml of 0.9% NaCl solution. Full-form of ATCC is _________ d) Corynebacterium diphtheriae View Answer, 15. Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. (1) Optimal temperature for growth, (2) Optimal oxygen requirements, (3) Optimal nutritional needs (4) All of the above. MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe. B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. answer choices. Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome. It should have a fast rate of kill of micro-organisms. A) substrates are added to the system all at once and runs until product is harvested. The section contains questions and answers on cell division modes, bacteria growth cycle and quantitative measurement. d) Pedoviridae Rickettsia species are carried by. A) True requires five blood samples . Secondary metabolites B. Auxanographic technique 11 junio, 2022. A. View Answer, 30. Which of the following is a correct usage of binomial nomenclature? c) Mumps What is the pH range of Bromophenol blue? the virus must be able to cross-link red blood cells directly. Tyrocidines are more effective against ___________________ b) 10-fold Microbiology is the study of living organisms that are not visible to the naked eyes. 9. a) above 1 percent c) 5 8 2. It is further followed by secondary screening, to check the capabilities and gain information about these organisms. Which of the following statement is correct regarding primary screening________. d) Pour plate How to avoid the spreading of Microorganisms has been discussed. a) Crowded plate technique (2) Chemical, physical and biological properties of a product are also determined during secondary screening. b) Candida utilis Growth of bacteria or microorganisms refer to __________________ View Answer, 7. b) Auxanographic technique Our members have a unique depth and breadth of knowledge about the discipline. 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. Who is considered the father of Western medicine? b) Atrichous bacteria. c) Psychrophile c) The optimum temperature for the growth of an organism must be above 50C View Answer, 5. The Society's role is to help unlock and harness . D. Indicator dye technique. a) Regeneration These are non-enveloped viruses with a double-stranded DNA genome. All the microorganisms such as amoeba, protozoa, viruses, bacteria are studied under microbiology. d) mitochondrial membrane 6. c) base analog 6.8 - 7.2 b. d) Prototheca Chapter 2: Classification of Medically important Bacteria MCQs. the virus must be able to lyse red blood cells. b) below 1 percent What is the approximate size of the bacterial cell? d) Physical assay Good work practices include, a. smelling and tasting chemicals . Children are more susceptible to this disease. Aims and objectives. b) Syphilis (retrieve https://www.learningsta.com, April 2021) 2.0 SCREENING . b) Microbacteria 2. It changes from yellow at pH 3.0 to blue-violet at pH 4.6. Antibiotic producers A) True This quiz is designed to help you assess how well you have learned the content of this lesson. Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? b) Auxanographic technique a) Rod-shaped b) Comma shaped c) Spiral shaped d) Spherical shaped Answer: a Clarification: The following diagram represents rod-shaped bacteria, magnified 1500X. A. b) Treponema pallidum a) Cyanobacteria, Fungi and Viruses a) Final treatment They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. 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. The organism must be able to produce a high yield of product 5. 37) Which of the following is the selective media used for the cultivation and isolation of. A. Symptoms include cough and lung infection. View Answer, 8. Answer: 4. Answer: B View Answer, 40. D. Phenol red. Phagocytosis is a critical part of the immune system. 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, 20. It is important to find and resolve the source of the contamination. b) Rhodospirillum View Answer, 9. [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). c) nucleotides What is the name of the procedure performed under sterile conditions to eliminate The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. 4. A) True A BV test is done in a similar way as a pelvic exam or Pap smear. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? d) DNA polymerase II Microbes can live in highly acidic as well as an alkaline medium. The section contains MCQs on microorganisms, industry, industrial uses of bacteria, molds and yeasts, genotypic changes, bacterial recombination and conjugation, bacterial transduction and transformation. (4) This may be accomplished by paper, thin layer, chromatographic technique. [2] The term for organisms that retain the . c) magnetic fields c) prophage b) Streptomyces olivaceus d) Shortest wavelength of visible light used and an objective with the maximum numerical aperture Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? d) American Type Classifier and Collection View Answer, 21. Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? C) use of microbes in sewage and pollution control. View Answer, 12. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. 10. 5. Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include B. Auxanographic technique c) The optimum temperature for the growth of an organism must be above 50C. d) glucose residues Our Environment Class 10 MCQ Question 6. Want to cite, share, or modify this book? milk, meat, green vegetables, fruits, etc.) Categories: . 4. Identification of bacteria by biochemical tests. 1. Secondary screening may be qualitative and quantitative in its approach. About Oracle NetSuite. 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. These microorganisms have been often under-appreciated and under-studied. Which among the following group of microorganisms are found in the ducts of cows mammary glands? View Answer, 7. Indeed, until Anton von Leeuwenhoek invented . Which of the following microorganism produces dextran? Which of the following method can be used to determine the number of bacteria quantitatively? How do you isolate microorganisms in the air? A. MCQ on Our Environment Question 9. Prokaryotes can be found everywhere on our planet, even in the most extreme environments. Contact Us. (4) It separates out only a few microorganisms, only a few have commercial value while discards the valueless microorganisms, 14. View Answer, 6. The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. d) bacterial infection d) spherical 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. D) exposure. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. View Answer, 46. a) American Type Culture Collection Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. It works best in this range and is also used as a tracking dye in Agarose-Gel Electrophoresis. c) ribitol or glycerol residues D) 134 oC for 1 second. It is colourless at pH 8.0 and becomes red at pH above 10.0. 9. Which of the following is NOT a criterion for the choice of an organism? True D. Indicator dye technique. 5. c) Study of organisms that are not visible to naked eyes a) Crowded plate technique b) hydrophilic barrier 8. Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. Dec 20, 2022 OpenStax. d) saprophytic View Answer, 17. d) 2-fold Crowded plate technique B) False, Microbiology 17 immunization and immune Testi. a) Phenol red plate Cryptococcosis is a disease of ________________ Answer: A 12. View Answer, 24. Which of the following foods is NOT made by fermentation? Mycoplasma pneumoniae is an unusual bacteria with distinctive colonies which are. 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, The section contains multiple choice questions and answers on viruses, vaccination, structure, composition, viruses classification, virus infection and fatal diseases. b) Nitrosococcus oceanus Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? Sulphates are reduced to hydrogen sulphide by _____________________ 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 . The Gram staining is one of the most crucial staining techniques in microbiology. A) organic acids. c) DNA polymerase I a) Killing all microorganisms. 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. D) all of the above. Trophic level in an ecosystem represents. 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. D. Indicator dye technique. [2][3] S. aureus is found in the . 3. Give the steps of typical sewage treatment plant are as given below. Which of the following was NOT a kingdom in Linnaeuss taxonomy? Which of the following morphological characteristics is an important identification characteristic of. The section contains questions and answers on diseases caused by staphylococcus, streptococcus, corynebacterium, aerobic and anaerobic gram, viruses containing single and double stranded dna. includes 6 urine samples. Which of the following are important primary screening techniques? Multiple Choice. 4.0 SECONDARY SCREENING OF MICROORGANISMS . The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. 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Which isolation technique is most commonly used for colony isolation in the laboratory? Which of the following foods is NOT made by fermentation? Automatic Type Counter & Classifier The greatest resolution in light microscopy can be obtained with ___________ You can also check this one and can share your opinions on Cell Culture Plates Product. Which of the following method is not used in isolation and screening of desired microorganisms? c) Lactobacilli d) Bacillus polymyxa
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