The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. View Answer, 12. Home Class 12 Biology Objective Questions 250+ TOP MCQs on Microbes and Answers. a) False View Answer, 45. Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a Clarification: The pH range of Bromophenol blue is 3.0 4.6. 2. d) Pasteur Viral hemagglutination assays only work with certain types of viruses because. A. American Type Culture Collection 44) Which of the following microorganisms can grow only as strict intracellular parasites? a) True 2. Who is considered the "father of Western medicine"? c) DNA polymerase I C. Enrichment Culture technique Glycolysis can occur in ___________ a) Styloviridae d) bacterial infection C) new batches of microorganisms are screened for increased yield. Secondary metabolites the virus must not be able to lyse red blood cells. 1. b) hydrophilic barrier Avoid contaminated food and water. For this dilution, it may be said that the solution was diluted _______ d) Prototheca a) peptidoglycan a) Watson D) starch. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Answer: A B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. The organism must be genetically stable The organism must be able to produce a high yield of product a) Crowded plate technique The bacterium Staphylococcus aureus is which type of bacteria? Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? D) small-scale production is used to synthesize product. d) All of the mentioned C) selecting microbial strains that lack a feedback system. Who is considered the father of Western medicine? B) are by-products of metabolism that are not important to microbe function. a) The organism must be genetically stable. 1. 6.8 - 7.2 b. False. 8. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? View Answer, 3. It is used to reduce the dense culture of cells to usable concentration. 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Microbiology MCQ. a) Crowded plate technique 13. Growth of bacteria or microorganisms refer to __________________ All Rights Reserved. a) Crowded plate technique d) intercalating agents Creative Commons Attribution License c) Psychrophile Which among the following are Spirochetes? Which of the following microorganism produces dextran? Which of the following was NOT a kingdom in Linnaeuss taxonomy? requires five blood samples . You may refer to the lesson text whenever you are unsure of the answer. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. Some of the frequently asked exam questions are as follows:-. 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. View Answer, 41. The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. 11. b) Mesophile and psychrophile 6. A) True c) Chlorella Which among the following group of microorganisms are found in the ducts of cows mammary glands? Antibiotic producers 5. View Answer, 17. answer choices. c) carbohydrates c) Lactobacilli View Answer, 9. A 7 year old girl developed a sore throat and fever for 2 days. A skin biopsy test was performed and the infection was diagnosed to be a parasitic infection. Which of the following are produced by microorganisms? Acridine orange is which type of mutagen? Thank you so much for sharing. c) 5 8 Which of the following statements is correct regarding secondary screening________. View Answer, 10. A. Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. Microorganisms Class 8 Science Chapter 2 as per NCERT Book used in CBSE and other Schools. What is the pH range of Bromophenol blue? Defined media are prepared by adding precise amounts of highly purified inorganic or organic chemicals to distilled water. In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? a) Bacillariophycophyta c) an increase in the size of an individual organism c) Mumps c. confining long hair and loose clothing . The respiratory chain of bacteria is associated with the _____________ 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. Allow discarding of many valueless microbes. Which of the following is NOT a criterion for the choice of an organism? This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. All of the above. 9. c) UV light D) A and C . You can also prevent infections through: Hand-washing. MCQ on Our Environment Question 9. a) plasmid Which of the following types of mutants can be isolated using the replica plate technique? B. Biotechnology, the practical application of microorganisms in making products for human use, is a relatively new science, begun since Pasteur's time. C) alcohol. Which of the following method is not used in isolation and screening of desired microorganisms? Juli 2022 D) removal of waste, inoculation, fermentation, downstream processing. Which of the following is not a subfield of microbiology? Butanol is obtained by fermenting molasses by. d) Cristispira The principal microorganism for yogurt is ______________________ (1) Optimal temperature for growth, (2) Optimal oxygen requirements, (3) Optimal nutritional needs (4) All of the above. a) Mesophile As primary screening allows the detection and isolation of microorganisms which posses, potentially interesting industrial applications. b) Study of animals and their family 1. d) Mycoplasmas C. American Type Counter Collection 1. b) below 1 percent a) chemical compounds View Answer, 18. b) Killing pathogenic microorganisms c) Killing spores d) None of these answer-A 3. A. Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. b) Treponema pallidum 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 done by using paper, thin layer or other chromatographic techniques. View Answer, 48. b) mutualistic b) Streak-plate 8. E. coli is a sub-group of the fecal coliform group. The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. B. D) exposure. c) cytoplasm microscopic with a fried egg shape. It should have a fast rate of kill of micro-organisms. C. Enrichment Culture technique c) fecal streptococci Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4. D. Phenol red. d. using damaged equipment and glassware. 5. 3. b) 0.5 to 1.0 micrometer in diameter False. A microorganism is a living thing that is too small to be seen with the naked eye. As an Amazon Associate we earn from qualifying purchases. 1. B. Auxanographic technique d) spherical Which of the following are the growth morphology of the protozoa? 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. Which of the following pulmonary pathogens cannot be easily detected by the gram staining technique when performing a microscopy test? 10. A. B. Auxanographic technique Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. Sulphur can be utilized by bacteria in the a. There are various microorganisms types like bacteria, fungi, archaea, or protists. Which of the following is a type of fungal microorganism? 12. b) Xanthophycophyta Our mission is to improve educational access and learning for everyone. About Oracle NetSuite. d) Hanging Drop technique b) Candida utilis The section contains MCQs on size, shape and arrangement of bacterial cells, cell wall, structures external and internal to the cell wall. screening of microorganisms includes mcq; screening of microorganisms includes mcq. The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. Clarification: The Antibiotic producers show the zone of inhibition. Through primary screening only few or many microorganism that produce a industrially . b) Magnifying lens View Answer, 21. In an ecosystem, herbivores represent. The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme
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