a) True a) Crowded plate technique 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. Diagram and name four mechanisms bacteria use to transport materials across the cytoplasmic membrane. Which of the following is a prokaryotic microorganism? View Answer, 27. c) Breads Engineering 2023 , FAQs Interview Questions. 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. What is required for proper isolation of microorganisms? 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. A. A) True Which of the following plate is used to detect and isolate organic acid producers? It must be toxic to micro-organisms at concentrations well below the toxic thresholds of humans and higher animals so that it cannot negatively affect the animals or humans. a) viral infection ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. c) Desulfotomaculum sp. Mycoplasma pneumoniae is an unusual bacteria which has distinctive characteristics, such as. The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo What is the pH range of Bromophenol blue? (4) This may be accomplished by paper, thin layer, chromatographic technique. This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. b) Antibiotic producers A) retards growth of Staphylococcus aureus. Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . c) Pour-plate and spread plate c) hydrophobic barrier d) Indicator dye technique c) Saccharomyces cerevisiae View Answer, 39. Required fields are marked *. Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. d. using damaged equipment and glassware. View Answer, 43. A sputum sample was taken for the lab diagnosis for the isolation and identification of the microorganism. d) Fungi 8. (1) Its a process for the detection and isolation of microorganisms of our interest. Clarification: Auxanographic technique proceeds with 2-plate preparation. 4. D) exposure. Children are more susceptible to this disease. b) teichoic acid B) False, Pasteurization is used to sterilize milk. 26. 250+ TOP MCQs on Microbes and Answers 2023 - FAQs Interview Questions Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include Some strains, however, can cause illness. Which of the following are true for cytoplasmic membrane? Answer: A Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. These are non-enveloped viruses with a double-stranded DNA genome. Rapid Diagnostic Tests for Infectious Diseases Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. 14. MCQ.9):Which bacteria have flagella of amphitrichous type means the flagellum are present at both the sides? and you must attribute OpenStax. citation tool such as, Authors: Nina Parker, Mark Schneegurt, Anh-Hue Thi Tu, Philip Lister, Brian M. Forster. d) Multiple fission Which of the following media is used for screening amylase? d) Pour plate Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? B. Auxanographic technique It is done by using paper, thin layer or other chromatographic techniques. 5. 8. Defined media and complex media are two broad classes of culture media used in microbiology. A 19-year-old male living in a tropical region of India visited the hospital. Primary screening of organic acids or amines producing organisms is done by__________, (2) Dye such as neutral red or bromothymol blue is used. c) Enrichment Culture technique 3. b) Auxanographic technique Phosphorus is essential component of __________ A. Phenol red plate Which of the following are produced by microorganisms? b) Microbacteria Which of the following are the growth morphology of the protozoa? The microorganisms secrete the enzymes into their nutrient medium to make better use of it. D) prevent mold. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering interview questions,Mcqs,Objective Questions,Class Lecture Notes,Seminor topics,Lab Viva Pdf PPT Doc Book free download. Screening of Industrially Important Microorganism - MCQ Questions Which of the following is NOT a criterion for the choice of an organism? The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. Sulphates are reduced to hydrogen sulphide by _____________________ View Answer, 2. a) S mallpox View Answer, 4. D. Indicator dye technique. Microorganism - Definition, Types, Examples & Quiz - Biology Dictionary D. The organism must be able to grow in an easily available nutrient medium. d) 2 micrometer in diameter E. coli is a sub-group of the fecal coliform group. b) cell wall chp 25 microbiology 211 mcq Flashcards | Quizlet Which of the following statement is correct regarding primary screening________. Secondary metabolites C) are products that require additional processing before they can be packaged. b) Automatic Type Counter & Classifier It is important to find and resolve the source of the contamination. We recommend using a B. (1) Screen organic acid-producing microbes. The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. c) chitin The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. View Answer, 11. View Answer, 22. a) site of generation of protonmotive force D. Indicator dye technique. Answer: C You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. 1. b. View Answer, 19. 11. View Answer, 23. View Answer, 20. Which of the following is a type of fungal microorganism? Microbiology MCQ With Answers Keys. Free Download - BYJUS Clarification: The Antibiotic producers show the zone of inhibition. magic island poem tone Consult Now MCQ's For Lab Technician And Technologists - Part 6 - Lab Tests Guide 1. Which of the following method is not used in isolation and screening of desired microorganisms? Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? C. MacConkeys Agar plate b) irregular Crowded plate technique Pathogen testing is continuously performed throughout the production . 37) Which of the following is the selective media used for the cultivation and isolation of. Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? It is done by using paper, thin layer or other chromatographic techniques. A routine GTT: is three hours long. Through primary screening only few or many microorganism that produce a industrially . Pathogen testing is used to identify pathogenic organisms in manufacturing environments, ingredients or finished products that could harm the consumer. The "flash method" or "high temperature short time" method exposes fluids to c) Enrichment Culture technique B. View Answer, 46. However, if environmental contamination can enter the system, pathogens could get in too. d) chitin, cellulose, or hemicellulose b) gamma rays Q. Vegetative bacteria are able to withstand adverse conditions better than protozoan cysts. d) 5 percent How to avoid the spreading of Microorganisms has been discussed. 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. A. (retrieve https://www.learningsta.com, April 2021) 2.0 SCREENING . 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) Gram-negative organisms 4. True a) Treponema b) an increase in number of cells Ch. 1 Multiple Choice - Microbiology | OpenStax Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. c) 5 8 c) neither aerobic and anaerobic cells It is colourless at pH 8.0 and becomes red at pH above 10.0. View Answer, 38. 6. pH, cations, thymidine or thymine, use of supplemented media). Which of the following is used in electron microscope? Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. 5. 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. a) DNA polymerase III The screening is isolation and detection of microorganisms of interest. a) Crowded plate technique 7. D) all of the above. the virus must not be able to lyse red blood cells. A BV test is done in a similar way as a pelvic exam or Pap smear. View Answer, 7. [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). d) Amino acid producers 2. Want to cite, share, or modify this book? A. 8. 13. b) Syphilis (4) It separates out only a few microorganisms, only a few have commercial value while discards the valueless microorganisms, 14. 12. screening of microorganisms includes mcq View Answer, 35. Which of the following method proceeds with 2-plate preparation? b) Auxanographic technique C. 5 8 A) True Secondary screening helps in detecting really useful microorganisms in fermentation processes, which includes d) Candida milleri MCQ on Industrial Microbiology. b) False 5. The organism must be genetically stable A) substrates are added to the system all at once and runs until product is harvested. View Answer, 10. Home Class 12 Biology Objective Questions 250+ TOP MCQs on Microbes and Answers. 9. 1999-2023, Rice University. a) peptidoglycan Clarification: Adenoviruses cause respiratory infections. Which of the following method is not used in isolation and screening of desired microorganisms? The microorganisms from lakes and rivers can grow at a salt concentration of _________ c) base analog d) Antoni van Leeuwenhoek screening of microorganisms includes mcq - firmenchroniker.de View Answer, 33. Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. 8. b) 10-fold The normal composition of feces includes all of the following except: A. Bacteria B. a) Study of molecules that are visible to human eyes 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. Butanol is obtained by fermenting molasses by. Complex media are prepared using digests of microbial, animal, or . 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. c) carbohydrates a) Phenol red plate D) are harvested during the exponential phase of growth. In the following diagram, what does the question mark represent?a) Ciliab) Flagellac) Haird) PseudopodiaAnswer: b Which is the secondary stage? 4. 30 seconds. The well-isolated colonies are antibiotic producers with the zone of inhibition. consent of Rice University. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. Which of the following method can be used to determine the number of bacteria quantitatively? a) Edwin John Butler Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. 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. Bacteria having clusters of flagella at both poles of cells are known as? A) organic acids. c) Crick 2. B. Auxanographic technique PDF Coliform Bacteria and Drinking Water - Washington State Department of Crowded plate technique B. b) hydrophilic barrier 3.0 4.6 Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. a) Chemical and biological assay Diagnostic Microbiology - MCQs Flashcards | Quizlet Give the steps of typical sewage treatment plant are as given below. Prokaryotes can be found everywhere on our planet, even in the most extreme environments. a) Micrococci d) Lactobacillus acidophilus Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. You can also prevent infections through: Hand-washing. The 1st plate is used to isolate and detect prototrophs whereas 2nd plate is used for identification of auxotrophs. The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. a) The organism must be genetically stable. d) an increase in the mass of an individual organism b) vitamins It belongs to the phthalein family that is employed as an acid-base indicator. A) True Microbes and the human body - Microbiology Society The microbes play a major role in nutrient cycling, decomposition, food spoilage, control and cause of diseases and biotechnology. View Answer, 50. Which of the following are present in teichoic acids? Bacteria MCQ s with Answers | Net Explanations Sugar fermentation test: Bacteria is grown in a sugar media. Here are 1000 MCQs on Microbiology (Chapterwise). Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. 2. Who is considered the "father of Western medicine"? b) Potato Dextrose Agar plate d) 6.4 8.0 Has three to five flagella at the posterior end B. B) False, Yeast cells prefer aerobic conditions to multiply in number. c. confining long hair and loose clothing . A test tube contains 9ml distilled water. d) cathode rays Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. (1) Optimal temperature for growth, (2) Optimal oxygen requirements, (3) Optimal nutritional needs (4) All of the above. the virus must be able to cross-link red blood cells directly. Microorganisms - Groups, Characteristics, Importance and Uses - VEDANTU Which of the following method proceeds with 2-plate preparation? d) Indicator dye technique 3. Who was the first to observe "animalcules" under the microscope? View Answer, 37. b) Streptomyces olivaceus MCQ on Our Environment Question 9. 4. d) gene 30 seconds. View Answer, 25. A) True Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. 1. Microbiology is the study of : 3. Bacteria | What is microbiology? | Microbiology Society B. Thymol blue Which one of the following organisms is least likely to cause this illness? In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? Fecal coliform bacteria are a subgroup of total coliform bacteria. b) Budding 4. Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . Automatic Type Counter & Classifier C) new batches of microorganisms are screened for increased yield. Crowded plate technique is used for screening of____________. What is Microbiology? B) heat. 7. Done in one or few steps. 11. b) Study of animals and their family Cryptococcosis is a disease of ________________ Microorganism Definition. Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. membranes of microorganisms. b) Auxanographic technique 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. Except where otherwise noted, textbooks on this site Salting, as a preservative, View Answer, 49. 44) Which of the following microorganisms can grow only as strict intracellular parasites? d) glucose residues The section contains MCQs on chemotherapy historical highlights, antibiotics and their actions, microbiological assay of antibiotics, antifungal, antiviral and antitumour antibiotics. a) 3.0 4.6 Chapter 4: Clinical Virology MCQs. a) Condenser lens It is the zone where only the growth of a particular colony is observed whereas rest all colonies get degraded by antibiotics. Chapter 2: Classification of Medically important Bacteria MCQs. 10-fold ticks and fleas. D) A and C . Bioremediation of polluants utilizing biodegradation abilities of microorganisms include the natural attenuation, although it may be enhanced by engineered techniques, either by addition of selected microorganisms (bioaugmentation) or by biostimulation, where nutrients are added. Q. Q.1: Screening of microorganisms includes . A. American Type Culture Collection They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. View Answer, 28. View Answer, 36. About Oracle NetSuite. Which of the following yeast can be used to produce microbial protein? Glycolysis can occur in ___________ Microbiology MCQ (Multiple Choice Questions) - Sanfoundry Phagocytosis (article) | Foundation 2: Cells | Khan Academy 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. Gram negative bacteria take the color of safranin stain and appear pink or red. You will lie on your back on an exam table, with your feet in stirrups. 3. c) Nitrosomonas europaea Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced .