screening of microorganisms includes mcq; screening of microorganisms includes mcq. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? B) False, Pasteurization is used to sterilize milk. 5. screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. c) Cyanobacteria The screening is isolation and detection of microorganisms of interest. View Answer, 42. a) 1mm in diameter The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. Full-form of ATCC is _________. View Answer, 37. Answer: B 45) What are the types of general characteristics that are important for the identification and classification of protozoa? b) Advanced treatment As primary screening allows the detection and isolation of microorganisms which posses, potentially interesting industrial applications. b) Antibiotic producers Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a a) Nitrospina gracilis Which of the following is the standard resource for identifying bacteria? A. d) Coxiella burnetii b) Monotrichous However, if environmental contamination can enter the system, pathogens could get in too. The Society's role is to help unlock and harness . 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. Which is the secondary stage? are not subject to the Creative Commons license and may not be reproduced without the prior and express written b) Rhodospirillum includes 6 urine samples. 4. d) Rose Bengal Agar plate a) Crowded plate technique Which of the following is not microbe?a) Bacteriab) Protozoac) Viroidsd) WormsAnswer: dClarification: Microbes are diverse in nature and include- protozoa, bacteria, fungi and microscopic animal and plant viruses, viroids and also prions that are proteinaceous infectious agents. a) Condenser lens 13. 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. Mycobacteria f"u001e MCQs IN MICROBIOLOGY 13. pH required for the growth of bacteria is 22. 6. In batch fermentation, 3. a) Alcoholic beverages The microorganisms are chosen based on the rest three criteria. Best method of sterilization at commercial level is a) Hot air oven b) Autoclaving c) Radiation d) Sun light answer-C 5. a) Study of molecules that are visible to human eyes D) exposure. Which one of the following organisms is least likely to cause this illness? View Answer, 6. Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . Methyl red C) alcohol. A. c) Saccharomyces cerevisiae 2. 4. Crowded plate technique Give the steps of typical sewage treatment plant are as given below. 5. Which of the following media is used for screening amylase? The well-isolated colonies are antibiotic producers with the zone of inhibition. (1) Screen organic acid-producing microbes. Crowded plate technique 6.8 - 7.2 b. a) Amphitrichous 100-fold Screening - It refers to the isolation of only those microorganisms which are of interest from among a large population of microbes. Mycoplasma pneumoniae is an unusual bacteria with distinctive colonies which are. d) hydrophobic barrier and site of generation of protonmotive force d) Hanging Drop technique In this process the bacterium, which is a single cell, divides into two identical daughter cells. b) Ferdinand Cohn pH, cations, thymidine or thymine, use of supplemented media). View Answer, 22. Which of the following enzyme removes the RNA primer with its 5-nuclease activity? View Answer, 46. 7. Who is considered the father of Western medicine? Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? c) Organic acid producers Note when energy and additional compounds are necessary for any of these mechanisms to operate. It belongs to the phthalein family that is employed as an acid-base indicator. View Answer. Plasmodium divides by which of the following method most commonly? d) gene Due to the climatic and geographical diversity of Nepal, a wide range of microorganisms with potent source of antimicrobials are available. Which among the following is not an ammonia-oxidizing bacteria? Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. The serial dilutions of soil are performed and spread on a Petri plate and allowed to grow. Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . a. (2) Attempt to kill microorganisms outside of their natural environment. Clarification: Phenol Red plate is used to detect and isolate organic acid producers. chipotle corporate phone number . Which of the following is the source of Vitamin A. a) Vibrio cholerae a) cellulose dehydrogenase 4. Sulphates are reduced to hydrogen sulphide by _____________________ 6. In the following diagram, what does the question mark represent?a) Ciliab) Flagellac) Haird) PseudopodiaAnswer: b Who proposed that swamps might harbor tiny, disease-causing animals too small to see? The process is repeated several times until the requirement is met. Incorporation of CaCO3 in medium is also used to__________. Which of the following method is not used in isolation and screening of desired microorganisms? D. Indicator dye technique. 5. B) False, HACCP Hazard Analysis and Critical Control Point uses random samples for quality control of the food supply. View Answer, 47. 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? You can also download the PDF of Microbiology MCQs by applying below. This set of Fermentation Technology Interview Questions and Answers focuses on Isolation and Screening of Industrially Important Microbes. Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. B) inhibit germination of botulism spores. 12. Microbes can live in highly acidic as well as an alkaline medium. c) An objective with minimum numerical aperture We recommend using a Which microorganism(s) among the following perform photosynthesis by utilizing light? a) True a) peptidoglycan 13. 6. The section contains MCQs on spirochetes, negative rods, cocci, facultatively anaerobic gram, rickettsias and chlamydias, mycoplasmas, positive cocci and positive bacteria. All Rights Reserved. Which of the following method is not used in isolation and screening of desired microorganisms? b) aerobic cells b. not washing hands before and after lab . View Answer, 2. Who is known as the father of Microbiology? Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. Lipopolysaccharide in cell walls is characteristic of? d) Corynebacterium diphtheriae C. Organic acid producers c) UV light (4) Attempt to Stain microorganisms. a) Chemical and biological assay Chapter 4: Clinical Virology MCQs. View Answer, 49. Set up a series of 1/10 dilutions: a. 5. 3.0 4.6 A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. the virus must be able to cross-link red blood cells directly. b) Atrichous bacteria. Often overlooked, hand-washing is one of the easiest and most effective ways to protect yourself from germs and most infections. d) saprophytic The 1st plate is used to isolate and detect prototrophs whereas 2nd plate is used for identification of auxotrophs. 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. The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. a) x-rays Urinary tract infection was suspected, urine sample and swab specimen were taken and cultured on suitable agar media, a microscopic examination was performed. A) substrates are added to the system all at once and runs until product is harvested. Ans: The steps adopted in a typical sewage treatment plant are as given below: ADVERTISEMENTS: The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme d) Cristispira c) an increase in the size of an individual organism Q. Q.1: Screening of microorganisms includes . 2. Examples of microorganisms include bacteria, archaea, algae, protozoa, and microscopic animals such as the dust mite. Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? a) Methyl red d) Pedoviridae Thank you so much for sharing. 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. 6. The section contains questions and answers on energy utilization in biosynthetic and nonbiosynthetic processes, transcription and translation of genetic information and protein synthesis process. 8. It includes the physical processes of screening, comminution, grit removal, and sedimentation. D. Indicator dye technique. Mycoplasma pneumoniae is an unusual bacteria which has distinctive characteristics, such as. 40) Biochemical tests are a common and conventional laboratory procedure in the differentiation and identification of enteric bacteria. Clarification: Phenolphthalein has a pH range between 8.0 10.0. Binary fission begins when the DNA of the bacterium divides into two (replicates). a) anaerobic cells a) 100-fold Which of the following statements is correct regarding secondary screening________. The lesson covers the complete explanation of class 8 Chapter 2 Microorganisms.Topics covered are Introduction to Micro-organisms and microbiology, different types of Micro-organisms, Useful and Harmful Micro-organisms. A. Nitrates maintain the red color of preserved meats and 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. Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? b) Potato Dextrose Agar plate It is the organization which has the largest department of Research and Development. View Answer, 27. this would be absolutely amazing. The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. 26. 13. D) starch. b) Mesophile and psychrophile 2. (1) Optimal temperature for growth, (2) Optimal oxygen requirements, (3) Optimal nutritional needs (4) All of the above. c) Enrichment Culture technique 15. 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? Which shape of bacteria has been represented in the following diagram? b) False b) Clostridium botulinum View Answer, 4. a) American Type Culture Collection A) True View Answer, 2. Juli 2022 A. American Type Culture Collection d) cellulase The microbes play a major role in nutrient cycling, decomposition, food spoilage, control and cause of diseases and biotechnology. Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. Dec 20, 2022 OpenStax. Fecal coliform bacteria are a subgroup of total coliform bacteria. Want to cite, share, or modify this book? 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. The organism must be able to produce a high yield of product A routine GTT: is three hours long. b) The examination of the infection sites, c) They are prokaryotes in cellular organization. View Answer, 48. View Answer, 21. b) Fungi What is high throughput screening used for? a) Leuconostoc citrovorum (1) It is useful in sorting microorganisms that have real commercial value. Answer: A For this dilution, it may be said that the solution was diluted _______ b) False View Answer, 14. Which of the following method proceeds with 2-plate preparation? Potato Dextrose Agar plate The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. a) site of generation of protonmotive force a) electron beams and magnetic fields 3. Answer: A a) viruses c) The optimum temperature for the growth of an organism must be above 50C then you must include on every digital page view the following attribution: Use the information below to generate a citation. Which of the following is used in electron microscope? A) retards growth of Staphylococcus aureus. 2. a) Watson To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. a) Small pox c) Chlorella D. Indicator dye technique. 8. lauren conrad and stephen colletti /; 2. c) base analog screening of microorganisms includes mcq. The presence of E. coli in a drinking water sample almost always indicates recent fecal contamination, meaning there is a greater . View Answer, 12. a) plasmid In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? Sugar fermentation test: Bacteria is grown in a sugar media. 14. 1g of soil is added to that test tube and the soil is allowed to settle down. 8. The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. False. D. 2-fold. The section contains multiple choice questions and answers on viruses, vaccination, structure, composition, viruses classification, virus infection and fatal diseases. The section contains MCQs on phages structure and morphology, bacterial viruses replication, lysogeny and lytic. C. The optimum temperature for the growth of an organism must be above 50C Microorganisms are minute, unicellular organisms that aren't visible to the naked eye. 37) Which of the following is the selective media used for the cultivation and isolation of. A) True You may refer to the lesson text whenever you are unsure of the answer. d) All of the mentioned The principal microorganism for yogurt is ______________________ What is the approximate size of the bacterial cell? chp 25 microbiology 211 mcq. Which of the following method is useful for detection and isolation of those microorganisms which are capable of growing on a particular nutrient medium? d) Malaria d) Mycoplasmas [1] Often the first test performed, gram staining involves the use of crystal violet or methylene blue as the primary color. Screens are made of long, closely spaced, narrow metal bars. Rickettsia species are carried by. c) 2mm in diameter d) an increase in the mass of an individual organism d) Multiple fission c) Peritrichous 6. a) Mesophile Which of the following are important primary screening techniques? c) Pour-plate and spread plate Crowded plate technique is used for screening of____________. 8.0 10.0 View Answer, 6. B. Auxanographic technique Includes common viruses, bacteria, and parasites 1,2: Stool sample: Sensitive, certain positive results may be unrelated to active infection. Crowded plate technique a) The organism must be genetically stable a) phospholipids c) fecal streptococci What is required for proper isolation of microorganisms? Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. Detrimental effects of microorganisms in food include, Fermentation of grains usually results in production of, During malting, barley and other grains are broken down by, Milk fermentation to produce cheese is done initially by inoculating with, Pickles and sauerkraut share a common inoculum, which is. View Answer, 45. 2. 2. Staphylococcus aureus is a major bacterial human pathogen that causes a wide variety of clinical manifestations. The screening is isolation and detection of microorganisms of interest. c) ribitol or glycerol residues b) The organism must be able to produce a high yield of product. d) mitochondrial membrane Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. In modern plants the screens are cleaned . These extracellular enzymes break up the giant molecules of the substrate into smaller ones that can feed the microorganisms. View Answer, 4. The respiratory chain of bacteria is associated with the _____________ Which of the following types of mutants can be isolated using the replica plate technique? D. Phenol red. The reason they are called microorganisms is that you can only see them when you use a microscope. A sputum sample was taken for the lab diagnosis for the isolation and identification of the microorganism. It should have a fast rate of kill of micro-organisms. b) Automatic Type Counter & Classifier d) Antoni van Leeuwenhoek Chemical preservatives do NOT include a) Lactobacillus It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. Crowded plate technique 4. Clarification: The Antibiotic producers show the zone of inhibition. View Answer, 29. Antibiotic producers View Answer, 8. Wash your hands with soap and water for at least 20 seconds. 1. d) Thermophile b) Fermented dairy products Enrichment culture technique was developed by_________, 16. B) heat. c) Secondary treatment Secondary screening may be qualitative and quantitative in its approach. Genetic engineering is also used to improve the biodegradation . (1) Microbial isolation technique is an attempt to grow microorganisms outside of their natural environment. d) intercalating agents 2. 30 seconds. 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. View Answer, 38. c) Phenolphthalein a) Spread-plate b) Syphilis Which of the following method is used for the isolation of mutants? d) DNA polymerase II D) all of the above. C. 1000-fold c) nucleotides A) heat below 100 oC. b) gamma rays other viruses are too dangerous to work with in a clinical lab setting. These microorganisms have been often under-appreciated and under-studied. 250+ TOP MCQs on Microbes in Industrial Products-4 and Answers, 300+ TOP MCQs on Microbes in Human Welfare and Answers, 250+ TOP MCQs on Microbes in Household Products-1 and Answers, 250+ TOP MCQs on Microbes in Production of Biogas and Answers, 250+ TOP MCQs on Microbes in Household Products-2 and Answers, 250+ TOP MCQs on Microbes in Industrial Products-3 and Answers, 250+ TOP MCQs on Microbes in Sewage Treatment and Answers, 250+ TOP MCQs on Microbes in Industrial Products-1 and Answers, 250+ TOP MCQs on Microbes in Industrial Products-2 and Answers, 250+ TOP MCQs on Microbes as Biofertilizers and Answers, [12 Class Notes] MICROBES IN HUMAN WELFARE Biology CBSE, 250+ TOP MCQs on Microbes as Biocontrol Agents and Answers, 250+ TOP MCQs on Microbes in Metal Containing Habitat and Answers, 250+ TOP MCQs on Microbes in Bioleaching Process and Answers, 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers, 300+ TOP MCQs on Bioremediation and Answers, 250+ TOP MCQs on Heat Transfer Applications Thermal Processing and Answers, 250+ TOP MCQs on Environmental Issues Water Pollution and its Control and Answers, 250+ TOP MCQs on Biotechnology Applications Ethical Issues and Answers, 250+ TOP MCQs on Hydraulic Fracturing Frac Job Design and Answers. a) Micrococci C) inoculation, fermentation, downstream processing, removal of waste. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. The normal composition of feces includes all of the following except: A. Bacteria B. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. d) Lactobacillus acidophilus For which viral disease, vaccine has been recently developed through the use of tissue culture? Secondary screening can give information about (1) The genetic instability in microbial cultures (2) Number of products produced in a single fermentation (3) The structure of the product (4) All of the above. It is done by using paper, thin layer or other chromatographic techniques. The process is repeated several times until the requirement is met. c) The optimum temperature for the growth of an organism must be above 50C. a) elongated b) Viruses Primary treatment removes material that will either float or readily settle out by gravity. uses 50 grams of glucose in a 500ml solution. Antibiotic producing microorganisms can be detected by the method__________, 5.

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