The microorganisms are chosen based on the rest three criteria. Contact Us. Which of the following plate is used to detect and isolate organic acid producers? The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. d) spherical 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? False. b) Auxanographic technique A routine GTT: is three hours long. Our members have a unique depth and breadth of knowledge about the discipline. 3. Answer: C Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . d) All of the mentioned Q. Bacterial endospores are more resistant to antimicrobial control methods than all other microbial forms. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. c) The optimum temperature for the growth of an organism must be above 50C. It includes the physical processes of screening, comminution, grit removal, and sedimentation. c) An objective with minimum numerical aperture 2. d) Eyepiece lens 4. View Answer, 40. b) 8.0 10.0 c) parasitic infection 8. Which of the following inhibits DNA replication? Answer: A [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). The section contains questions and answers on diseases caused by staphylococcus, streptococcus, corynebacterium, aerobic and anaerobic gram, viruses containing single and double stranded dna. A) are essential to microbe function. b) Borrelia It belongs to the phthalein family that is employed as an acid-base indicator. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? d) Coliforms On the second day, the symptoms got worse and she was taken to the hospital. c) American Type Counter Collection Crowded plate technique [1] Often the first test performed, gram staining involves the use of crystal violet or methylene blue as the primary color. Defined media and complex media are two broad classes of culture media used in microbiology. 2. The bacterial cell then elongates and splits into two daughter cells each with identical DNA to the parent cell. In batch fermentation, c) Streptococcus thermophilus 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. a) The organism must be genetically stable It should not leave damage and odour. A) retards growth of Staphylococcus aureus. 1. 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. Potato Dextrose Agar plate screening of microorganisms includes mcq; screening of microorganisms includes mcq. a) False However, in a contemporary sense, we associate biotechnology with the direct alteration of an organism's genetics to achieve desirable traits through the process of genetic engineering. a) cytoplasmic membrane However, if environmental contamination can enter the system, pathogens could get in too. answer choices. A 7 year old girl developed a sore throat and fever for 2 days. How to avoid the spreading of Microorganisms has been discussed. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? a) viruses What are the methods of isolating the pure culture of microorganisms? 1. 4. D. Amino acid producers. Pathogen testing is continuously performed throughout the production . c) Chlorella B. Thymol blue C) alcohol. Clarification: Phenolphthalein has a pH range between 8.0 10.0. d) Study of microscope 3. b) Auxanographic technique a) Algae Which among the following is a pathogenic algae for humans? 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. d) chitin, cellulose, or hemicellulose Enrichment culture technique was developed by_________, 16. A) substrates are added to the system all at once and runs until product is harvested. View Answer, 43. View Answer, 50. Chemical preservatives do NOT include View Answer, 41. It is the organization which has the largest department of Research and Development. c) holozoic Clean and disinfect surfaces that are touched often. View Answer, 7. Your email address will not be published. 9. View Answer, 9. B. Auxanographic technique Which of the following is the primary screening method? Report an issue. Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella pneumoniae. About Oracle NetSuite. a) Small pox Clarification: The Auxanographic technique is used for the detection and isolation of the organisms which are growth factor producers. All microbes are harmful to humankind.a) Trueb) FalseAnswer: bClarification: Although microbes cause a large number of diseases in human beings, various animals and plants, but not all microbes are harmful. Secondary screening may be qualitative and quantitative in its approach. Which of the following statements about food chain and energy . The process is repeated several times until the requirement is met. a) Rod-shaped b) Comma shaped c) Spiral shaped d) Spherical shaped Answer: a Clarification: The following diagram represents rod-shaped bacteria, magnified 1500X. d) appendaged bacteria Mycobacteria f"u001e MCQs IN MICROBIOLOGY 13. pH required for the growth of bacteria is 22. 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. (1) Its a process for the detection and isolation of microorganisms of our interest. View Answer, 20. Which of the following is NOT a criterion for the choice of an organism? D) starch. B. Auxanographic technique Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. 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. 6. View Answer, 37. Phagocytosis is a critical part of the immune system. d) Rose Bengal Agar plate Which was the first disease for which a chemotherapeutic agent was used? View Answer, 2. Who is known as the father of Microbiology? d) both aerobic and anaerobic cells ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. The Microbiology Society has a vision and mission around which we base our strategy. a) Alcoholic beverages Auxanography technique is employed for detecting microorganisms able to produce__________. Which of the following is used in electron microscope? 3. A. B. Clarification: The transfer of a 1ml solution to 9ml d/w is called as serial 10-fold dilution. a) Methyl red A. The organic acid producers produce acid which changes the colour of media and is thus detected easily. a) 3.0 4.6 b. Litmus milk test: When bacteria is grown in this medium, there may be the production of acids or alkali or even no change in pH. 2. Which of the following method is not used in isolation and screening of desired microorganisms? A. b) plaque d) Mycoplasmas B. b) aerobic cells A) organic acids. this would be absolutely amazing. a) The organism must be genetically stable. A) True It is colourless at pH 8.0 and becomes red at pH above 10.0. Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a B. Auxanographic technique 1. b) Auxanographic technique membranes of microorganisms. Clarification: Phenol Red plate is used to detect and isolate organic acid producers. includes 6 urine samples. c) Lactobacilli You can also download the PDF of Microbiology MCQs by applying below. a) Lactobacillus The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. Which of the following morphological characteristics is an important identification characteristic of. d) cathode rays a) Condenser lens Microbiology Question Bank PDF book covers problem solving exam tests from microbiology textbook and practical book's chapters as: Chapter 1: Basic Mycology MCQs. First link in any food chain is usually green plants because. a) Growth Factor producers If you are redistributing all or part of this book in a print format, C) inoculation, fermentation, downstream processing, removal of waste. D. Rose Bengal Agar plate. a) Treponema Bacterial cells grown in a medium exposed to high osmotic pressure, changes shape from rod-shaped to __________ shaped. a) Killing all microorganisms. b) Syphilis c) ribitol or glycerol residues c) Organic acid producers Microorganism Definition. a) Regeneration This book uses the a) Cyanobacteria, Fungi and Viruses View Answer, 11. 4. 26. Lung infection was suspected, and a chest X-ray was performed which showed infection in both lungs. Clarification: Auxanographic technique proceeds with 2-plate preparation. (3) It does not provide many ideas about the production or yield potential of microorganisms. Which of the following media is used for screening amylase? View Answer, 11. C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. B. 3.0 4.6 Answer: A Which of the following is a family of lambda phage viruses? A) True A. Everything you need to know about water and wastewater microbiology. Microbes can live in highly acidic as well as an alkaline medium. The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme Which of the following are important primary screening techniques? View Answer, 13. Which of the following foods is NOT made by fermentation? It is further followed by secondary screening, to check the capabilities and gain information about these organisms. c. Let the soil particles settle after shaking and then transfer 1ml of the solution into tube 2. (1) Screen organic acid-producing microbes. Microbiology is the study of living organisms that are not visible to the naked eyes. Mycoplasma pneumoniae is an unusual bacteria which has distinctive characteristics, such as. a) S mallpox Which of the following dye is colourless at acidic pH and becomes red at basic pH? 30 seconds. 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 _____________________ The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. B) False, Yeast cells prefer aerobic conditions to multiply in number. View Answer, 19. d) DNA polymerase II a) Thiobacillus thiooxidans (3) It provides information on whether the product formed by microorganisms is new or not. Which scientist proposed adding a kingdom for protists? 3. 1215, 1216 137, 1217 Particles in a biological aerosol usually vary in size from <1 m to 50 m. 10. microscopic with a fried egg shape. 11. Which of the following method can be used to determine the number of bacteria quantitatively? The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. A. C. 5 8 Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? A microorganism is a living thing that is too small to be seen with the naked eye. View Answer, 33. D) all of the above. They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. _______ are the agents that act as carriers of a pathogen and spread diseases. The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. (2) Attempt to kill microorganisms outside of their natural environment. Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. You will get a gown or sheet as a cover. chipotle corporate phone number . (2) Chemical, physical and biological properties of a product are also determined during secondary screening. A. 5. View Answer, 30. Crowded plate technique is used for screening of____________. The section contains questions and answers on biological and economic importance of algae, algae characteristics and classification, ecology and protozoa importance, protozoa characteristics, protozoa morphology and reproduction. a. Streptococcus pyogens b. d) Lactobacillus acidophilus 6.8 - 7.2 b. b) Biological assay Label these plates 1/10 3 through 1/10 6. 14. Which of the following statement is correct regarding primary screening________. Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . d) Bacillus polymyxa Butanol is obtained by fermenting molasses by. Water treatment typically requires three stages to make it potable from sewage. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. It works best in this range and is also used as a tracking dye in Agarose-Gel Electrophoresis. C. Phenolphthalein Genetic engineering is also used to improve the biodegradation . a) Crowded plate technique The well-isolated colonies are antibiotic producers with the zone of inhibition. The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. Plasmodium divides by which of the following method most commonly? D. American Type Classifier and Collection. a) site of generation of protonmotive force Biology Multiple Choice Questions on Microbes. 8. What is the approximate size of the bacterial cell? 2011-2023 Sanfoundry. d) Indicator dye technique c) Enrichment Culture technique False. B. Auxanographic technique d) Antoni van Leeuwenhoek b) ribitol residues MCQ on Industrial Microbiology. 6. b) Magnifying lens The microorganisms secrete the enzymes into their nutrient medium to make better use of it. Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome. a) fats C. Enrichment Culture technique The bacterium Staphylococcus aureus is which type of bacteria? c) Microviridae b) Streak-plate Symptoms include cough and lung infection. 38) All of the following statements are correct about the most common bacteriological media called sheep blood agar that is used in the microbiology laboratory, b) Used for the culture of common fastidious bacteria, c) It is used for the culture of hemolytic bacteria. View Answer, 15. a) Micrococci b) The organism must be able to produce a high yield of product Answer: D Which of the following bacteria is an endospore-forming bacteria that is also a common foodborne pathogen? A) production of alcoholic beverages by microorganisms. b) below 1 percent c) nucleotides 7. a) Eremothecium ashbyi d) Gram-positive bacteria Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? 5. View Answer, 47. B) mass, controlled culture of microbes to synthesize products. c) beta-glucosidase Your health care provider will insert a special tool called a speculum into your vagina. b) The organism must be able to produce a high yield of product. (2) It determines which microorganisms can produce a compound. View Answer, 14. D. Hanging Drop technique. D. 2-fold. Home Class 12 Biology Objective Questions 250+ TOP MCQs on Microbes and Answers. Microorganisms Class 8 Science Chapter 2 as per NCERT Book used in CBSE and other Schools. a) Cephaleuros 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. Which one of the following organisms is least likely to cause this illness? 2. Which of the following method is useful for the detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? a) Crowded plate technique View Answer, 6. 1. View Answer, 39. The screening is isolation and detection of microorganisms of interest. 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 . View Answer, 10. 12. b) Longest wavelength of visible light used Cellulose is degraded to cellobiose by the enzyme __________________ b) Rabies d) Malaria b) Acanthopeltis B. 25. a)Microaerophilic. chp 25 microbiology 211 mcq. B) heat. c) neither aerobic and anaerobic cells a) Crowded plate technique 42) Which of the following are the routine diagnostic methods performed for the microbial examination of blood specimens collected from a patient with a high fever for more than 2 days? Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? Which of the following was NOT a kingdom in Linnaeuss taxonomy? a) parasitic A BV test is done in a similar way as a pelvic exam or Pap smear. C. Organic acid producers consent of Rice University. c) Study of organisms that are not visible to naked eyes 11. then you must include on every digital page view the following attribution: Use the information below to generate a citation. OpenStax is part of Rice University, which is a 501(c)(3) nonprofit. Aims and objectives. 4.0 SECONDARY SCREENING OF MICROORGANISMS . c) Nitrosomonas europaea c) MacConkeys Agar plate Place the gram of soil into the first tube with saline and SHAKE WELL. lauren conrad and stephen colletti /; 2. What is the name of the procedure performed under sterile conditions to eliminate d) Physical assay View Answer, 38. Measles is a disease caused by a virus, it is spread via respiratory droplets. Required fields are marked *. b) Corticoviridae True. View Answer, 12. B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. Some strains, however, can cause illness. a) changes in the total population B. Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? The section contains questions and answers on light microscope, microbial Stains, transmission and scanning electron microscope. c. confining long hair and loose clothing . b) Auxanographic technique Tyrocidines are more effective against ___________________ Prokaryotes are unicellular microorganisms whose cells have no nucleus. b) hexokinase and you must attribute OpenStax. d) Thermophile 15. Which isolation technique is most commonly used for colony isolation in the laboratory? Some examples of Spherical shaped bacteria include Staph aureus, Staph epidermidis, Staph haemolyticus, Strep pyrogenes, etc. MCQ.8): In which of the following bacterial condition, fimbriae helps the bacteria to stick to the mucous membrane of the host? To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. a) Crowded plate technique Which organisms show the zone of inhibition grown on a Petri plate? the virus must not be able to lyse red blood cells. In modern plants the screens are cleaned . Gram negative bacteria take the color of safranin stain and appear pink or red. screening of microorganisms includes mcq. 2. 5. c) Secondary treatment 14.
Archdiocese Of Baltimore Priest Assignments 2021,
Fort Holman New Mexico,
What Happened To Yourpalross,
Cockalier Puppies For Sale In Massachusetts,
Articles S