Creative Commons Attribution License What is Microbiology? The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. Which of the following method proceeds with 2-plate preparation? View Answer, 13. View Answer, 14. B) mass, controlled culture of microbes to synthesize products. Some bacteria are capable of spore formation so they are highly heat resistant and some are capable of producing heat-resistant toxins. b) Viruses Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. 5. a) phospholipids 10. Microbial Enzyme - an overview | ScienceDirect Topics a) anaerobic cells b) Syphilis It is done by using paper, thin layer or other chromatographic techniques. A. microscopic with a fried egg shape. Which among the following are Spirochetes? Which of the following types of mutants can be isolated using the replica plate technique? b) vitamins d) 6.4 8.0 Who proposed that swamps might harbor tiny, disease-causing animals too small to see? 5. c) Enrichment Culture technique Mycoplasma pneumoniae is an unusual bacteria with distinctive colonies which are. A skin biopsy test was performed and the infection was diagnosed to be a parasitic infection. Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? What is the pH range of Bromophenol blue? Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? b) plaque 14. 12. Full-form of ATCC is _________ Clarification: The pH range of Bromophenol blue is 3.0 4.6. It should be active and stable and environmentally safe. 6. Label these plates 1/10 3 through 1/10 6. [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) Enrichment Culture technique This quiz is designed to help you assess how well you have learned the content of this lesson. 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. In which of the following treatment involve oxidation of organic constituents of the wastewater? a) Growth Factor producers MCQ on Industrial Microbiology - MCQ Biology.com 3.0 4.6 c) Microviridae Which of the following morphological characteristics is an important identification characteristic of. Microbiology Question Bank PDF book covers problem solving exam tests from microbiology textbook and practical book's chapters as: Chapter 1: Basic Mycology MCQs. For e.g., cellulose producers grow on nutrient medium supplied with cellulose. Contact Us. d) Fungi Clarification: The question mark in the following figure represents flagella of a rod-shaped bacterium. View Answer, 2. Thank you so much for sharing. It belongs to the phthalein family that is employed as an acid-base indicator. Microbial enzyme production concentrates on simple hydrolytic enzymes (proteases, amylases, pectinases) that degrade natural polymers such as proteins, starches, or pectin. Clarification: Phenol Red plate is used to detect and isolate organic acid producers. b) Thymol blue Which of the following is a correct usage of binomial nomenclature? Clarification: Adenoviruses cause respiratory infections. Phosphorus is essential component of __________ c) Streptococcus thermophilus Protozoa that eat other organisms are known as _______________ Microbes can live in highly acidic as well as an alkaline medium. The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. c) Chlorella b) aerobic cells 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. a) Micrococci c) AIDS screening of microorganisms includes mcq It includes the physical processes of screening, comminution, grit removal, and sedimentation. Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. B. Auxanographic technique b) gamma rays Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome. View Answer, 36. Which one of the following organisms is least likely to cause this illness? The microorganisms from lakes and rivers can grow at a salt concentration of _________ a) S mallpox b) Antibiotic producers The bacterium Staphylococcus aureus is which type of bacteria? d) Mycoplasmas Microbiology Multiple Choice Questions and Answers (MCQs) citation tool such as, Authors: Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister, Brian M. Forster. C. Phenolphthalein OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. a) changes in the total population Yeast cells are good source of. Which of the following is a type of fungal microorganism? View Answer, 15. d) Measles Your email address will not be published. D. Phenol red. 4.1: Prokaryote Habitats, Relationships, and Microbiomes. d) Study of microscope d) Pour plate Incorporation of CaCO3 in medium is also used to__________. d) Eyepiece lens Which of the following plate is used to detect and isolate organic acid producers? The presence of E. coli in a drinking water sample almost always indicates recent fecal contamination, meaning there is a greater . Background F. Environmental Sampling - Centers for Disease Control and a) Study of molecules that are visible to human eyes Microbial Food Spoilage- Types of microorganisms with examples Nitrates maintain the red color of preserved meats and A) True a) American Type Culture Collection View Answer, 12. Diagnostic Microbiology - MCQs Flashcards | Quizlet C. MacConkeys Agar plate 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. PDF Coliform Bacteria and Drinking Water - Washington State Department of b) 0.5 to 1.0 micrometer in diameter MCQ on Our Environment Question 9. Microbiology is the study of living organisms that are not visible to the naked eyes. True Microbiology is the study of : 3. D) removal of waste, inoculation, fermentation, downstream processing. b) cell wall B. C. Enrichment Culture technique Has three to five flagella at the posterior end B. Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . Which was the first disease for which a chemotherapeutic agent was used? Penicillin causes inhibition of Mycoplasmas. uses 100 grams of glucose in a 300ml solution. 25. a)Microaerophilic. Defined media are prepared by adding precise amounts of highly purified inorganic or organic chemicals to distilled water. The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. c) Objective lens c) Secondary treatment d) Rose Bengal Agar plate b) Biological assay Screening - It refers to the isolation of only those microorganisms which are of interest from among a large population of microbes. Textbook content produced by OpenStax is licensed under a Creative Commons Attribution License . View Answer, 2. Who is known as the father of Microbiology? b) ribitol residues 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. Clarification: The transfer of a 1ml solution to 9ml d/w is called as serial 10-fold dilution. Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. 2. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? Which of the following method is not used in isolation and screening of desired microorganisms? 2. The section contains questions and answers on cell division modes, bacteria growth cycle and quantitative measurement. c) Robert Koch Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. A. b) Potato Dextrose Agar plate View Answer, 3. Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. 45) What are the types of general characteristics that are important for the identification and classification of protozoa? 1. b) Monotrichous Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? d) DNA polymerase II Bacteria having clusters of flagella at both poles of cells are known as? Which isolation technique is most effective? Which of the following is the example of encapsulated gram-positive bacteria? D) all of the above. Full-form of ATCC is _________ Air Sampling. These particles may consist of a single, unattached organism or may occur in the form of clumps composed of a number of . d) Pasteur MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? The section contains MCQs on microorganisms, industry, industrial uses of bacteria, molds and yeasts, genotypic changes, bacterial recombination and conjugation, bacterial transduction and transformation. For which viral disease, vaccine has been recently developed through the use of tissue culture? Sulphates are reduced to hydrogen sulphide by _____________________ Secondary screening can give information about, (1) The genetic instability in microbial cultures, (2) Number of products produced in a single fermentation, 8. 7. magic island poem tone Consult Now Which of the following was NOT a kingdom in Linnaeuss taxonomy? A) True Glycolysis can occur in ___________ What is the pH range of Bromophenol blue? B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. Study with Quizlet and memorize flashcards containing terms like Which of the following is true about the trichomonas vaginalis? A 19-year-old male living in a tropical region of India visited the hospital. 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. Prokaryotes are unicellular microorganisms whose cells have no nucleus. We recommend using a (1) Its a process for the detection and isolation of microorganisms of our interest. Wish you the best in your endeavor to learn and master Microbiology! Indeed, until Anton von Leeuwenhoek invented . 3. Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. The section contains MCQs on chemotherapy historical highlights, antibiotics and their actions, microbiological assay of antibiotics, antifungal, antiviral and antitumour antibiotics. View Answer, 44. Dec 20, 2022 OpenStax. MCQ on Isolation, classification and Identification of microorganisms Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. The greatest resolution in light microscopy can be obtained with ___________ D) small-scale production is used to synthesize product. c) 5 8 B) nutrients are continuously fed into the reactor and the product is siphoned off during the run. All Rights Reserved. Want to cite, share, or modify this book? Disinfection MCQ [Free PDF] - Objective Question Answer for - Testbook a) Crowded plate technique c) Study of organisms that are not visible to naked eyes Which of the following microorganism produces dextran? Pathogen & Spoilage Testing - Sigma-Aldrich Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. d) appendaged bacteria D) starch. Microorganisms - Groups, Characteristics, Importance and Uses - VEDANTU You can also download the PDF of Microbiology MCQs by applying below. The section contains MCQs on selective methods, pure cultures and cultural characteristics. b) False 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 gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. Bacterial Culture Media: Classification, Types, Uses It is used to reduce the dense culture of cells to usable concentration. Which among the following are microaerophilic bacteria? Microorganisms are minute, unicellular organisms that aren't visible to the naked eye. A. d) Corynebacterium diphtheriae Avoid contaminated food and water. A) True 8. 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. Good work practices include, a. smelling and tasting chemicals . 6.8 - 7.2 b. The section contains questions and answers on light microscope, microbial Stains, transmission and scanning electron microscope. C. Enrichment Culture technique a) Gram-negative organisms Microorganism - Definition, Types, Examples & Quiz - Biology Dictionary Wastewater treatment - Primary treatment | Britannica In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? As an Amazon Associate we earn from qualifying purchases. C) are products that require additional processing before they can be packaged. On the second day, the symptoms got worse and she was taken to the hospital. c) DNA polymerase I Growth of bacteria or microorganisms refer to __________________ A BV test is done in a similar way as a pelvic exam or Pap smear. Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. 3. Tyrocidines are more effective against ___________________ Which of the following is a family of lambda phage viruses? Microorganisms Class 8 Science Chapter 2 as per NCERT Book used in CBSE and other Schools. 6. a) plasmid C. Enrichment Culture technique A test tube contains 9ml distilled water. What does a viral DNA becomes after being associated with the bacterial chromosome? The objective of this study was to isolate, identify, and screen the potential antimicrobial-producing . A. a) True 1. View Answer, 32. [1] Often the first test performed, gram staining involves the use of crystal violet or methylene blue as the primary color. b) irregular A. In this process the bacterium, which is a single cell, divides into two identical daughter cells. True 4. View Answer, 11. Bacterial Vaginosis Test: MedlinePlus Medical Test a) Shortest wavelength of visible light used The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo b) Microbacteria lauren conrad and stephen colletti /; 2. answer choices. (4) This may be accomplished by paper, thin layer, chromatographic technique. False. screening of microorganisms includes mcq b) Nitrosococcus oceanus b) Treponema pallidum A) fermentation, downstream processing, removal of waste, inoculation. Which of the following are present in teichoic acids? The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. c) an increase in the size of an individual organism View Answer, 42. C) use of microbes in sewage and pollution control. How do you isolate microorganisms from the soil? Screening of industrial Microorganisms Quiz - Quizizz Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . 2. It is colourless at pH 8.0 and becomes red at pH above 10.0. MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe (2) Attempt to kill microorganisms outside of their natural environment. View Answer. b) coliforms Microorganisms Class 8 Notes, Question Answers - successcds Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. the virus must not be able to lyse red blood cells. 40) Biochemical tests are a common and conventional laboratory procedure in the differentiation and identification of enteric bacteria. c) Streptococci. Often overlooked, hand-washing is one of the easiest and most effective ways to protect yourself from germs and most infections. (4) It separates out only a few microorganisms, only a few have commercial value while discards the valueless microorganisms, 14. 5. 1. B. Auxanographic technique Crowded plate technique 1. View Answer, 29. A 70 year old male visited a clinic with chronic cough, chest pain, fever, chills, and weakness. View Answer, 48. Prokaryotes can be found everywhere on our planet, even in the most extreme environments. View Answer, 10. The section contains MCQs on size, shape and arrangement of bacterial cells, cell wall, structures external and internal to the cell wall. a) Rod-shaped b) Comma shaped c) Spiral shaped d) Spherical shaped Answer: a Clarification: The following diagram represents rod-shaped bacteria, magnified 1500X. C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. Who is considered the father of Western medicine? c) prophage 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 statements is correct regarding secondary screening________. Glycosylated hemoglobin: causes sickle cell anemia. C) maintain a high osmotic pressure to kill microorganisms. d) hydrophobic barrier and site of generation of protonmotive force How do you isolate microorganisms in the air? b. not washing hands before and after lab . The section contains multiple choice questions and answers on viruses, vaccination, structure, composition, viruses classification, virus infection and fatal diseases. Pathogen testing is used to identify pathogenic organisms in manufacturing environments, ingredients or finished products that could harm the consumer. c) Cyanobacteria c) Enrichment Culture technique 5. B) using small scale containers to concentrate production. Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? consent of Rice University. What is required for proper isolation of microorganisms? b) False a) glycerol residues 5. False. Rickettsia species are carried by. b) mutualistic 6. Screens are made of long, closely spaced, narrow metal bars. b) Jenner C. Organic acid producers 43) Which of the following methods are the most common and routine culture methods performed in the microbiology lab for the proper isolation and identification of bacteria and fungi? Which of the following is NOT a criterion for the choice of an organism? Biology Multiple Choice Questions on Microbes. b) Auxanographic technique Q. Bacterial endospores are more resistant to antimicrobial control methods than all other microbial forms. Eubacteria - Definition and Examples - Biology Online Dictionary Frontiers | Successful Plant Growth-Promoting Microbes: Inoculation Which of the following method is useful for the isolation and detection of organisms having the ability to produce growth factors? The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. 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. 2. 1. A) are among the most widely used preservatives. 9. You will lie on your back on an exam table, with your feet in stirrups. MCQs Bacteriology (1-10): With Answers and Explanations Secondary screening may be qualitative and quantitative in its approach. D. Indicator dye technique. Which of the following are important primary screening techniques? Screening includes primary screening and secondary screening. Genetic engineering is also used to improve the biodegradation . Juli 2022 7. Answer: A A) True MCQ's For Lab Technician And Technologists - Part 6 - Lab Tests Guide B. Here are 1000 MCQs on Microbiology (Chapterwise). The normal brown color of the feces is produced by: A. Cellulose B. 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