b) Mesophile and psychrophile D. The organism must be able to grow in an easily available nutrient medium. Microscopic examination and culture of the sputum sample revealed gram-positive cocci that appear in chains. b) False Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. 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. About Oracle NetSuite. Yeast cells are good source of. B) False, Yeast cells prefer aerobic conditions to multiply in number. lauren conrad and stephen colletti /; 2. First link in any food chain is usually green plants because. 3.0 4.6 E. coli is a sub-group of the fecal coliform group. Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? Answer: B Some examples of rod-shaped bacteria include Lactobacillus, Morganella, Bacillus anthracis, Klebsiella . Microbes are certainly ideal for biotechnology. b) irregular Measles is a disease caused by a virus, it is spread via respiratory droplets. Secondary metabolites d) 6.4 8.0 The microorganisms from lakes and rivers can grow at a salt concentration of _________ 31) Name the bacteria of the Enterobacteriaceae family that have the following characteristics? D) exposure. Give the steps of typical sewage treatment plant are as given below. d) Cristispira View Answer, 5. b) 8.0 10.0 c) Study of organisms that are not visible to naked eyes MCQ Questions for Class 8 Science: Ch 2 Microorganisms: Friend and Foe. Chapter 4: Clinical Virology MCQs. Answer: A 4. Who proposed that swamps might harbor tiny, disease-causing animals too small to see? 2. Which of the following statements is correct regarding secondary screening________. b) Syphilis Which of the following plate is used to detect and isolate organic acid producers? A test tube contains 9ml distilled water. Mycoplasma pneumoniae is an unusual bacteria with distinctive colonies which are. Types of pathogens include specific bacteria strains, viruses, fungi, or parasites that can cause illness in its host. 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. View Answer, 9. d) Coxiella burnetii A. 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. B. Auxanographic technique b) Antibiotic producers Which of the following types of microorganisms is photosynthetic? b) Rabies Our Environment Class 10 MCQ Question 6. The colour of plate changes from red to yellow in the zone of organisms producing organic acid. View Answer, 3. Secondary screening may be qualitative and quantitative in its approach. c) ribitol or glycerol residues Several types of cells of the immune system perform phagocytosis, such as neutrophils, macrophages, dendritic cells, and B lymphocytes. This includes bacteria, archaea, viruses, fungi, prions, protozoa and algae, collectively known as 'microbes'. d) Thermophile Clarification: The use of Indicator Dye Technique is used for detection and isolation of the organisms which are organic acid producers. The normal composition of feces includes all of the following except: A. Bacteria B. View Answer, 7. Name three reserve materials synthesized by microorganisms and note which microbial groups a) Phenol red plate Clarification: Phenolphthalein has a pH range between 8.0 10.0. View Answer, 29. What is the name of the procedure performed under sterile conditions to eliminate 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 . Besides macroscopic plants and animals, microbes are the major components of biological systems on this earth. d) an increase in the mass of an individual organism a) DNA polymerase III c) Enrichment Culture technique Which of the following is NOT a criterion for the choice of an organism? Which of the following method is used for the isolation of mutants? The Gram staining is one of the most crucial staining techniques in microbiology. Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. It should have a fast rate of kill of micro-organisms. D) are harvested during the exponential phase of growth. b) Automatic Type Counter & Classifier It works best in this range and is also used as a tracking dye in Agarose-Gel Electrophoresis. 8. Your health care provider will insert a special tool called a speculum into your vagina. The section contains questions and answers on sanitary quality of water, wastewater, treatment processes, fresh foods microbial flora, food preservation and microorganisms. Screening includes primary screening and secondary screening. a) Nitrospina gracilis How do you isolate microorganisms in the air? B) mass, controlled culture of microbes to synthesize products. 6. 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. D. Phenol red. b) mycotic infection 6. 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. 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. The section contains questions and answers on cell division modes, bacteria growth cycle and quantitative measurement. C. Enrichment Culture technique In regions of the estuary that are nutritionally poor, it is more likely to find which of the following organisms? a) Vibrio cholerae Answer: A 2. What is the fecal test that requires a 3-day specimen? Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. 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. d) Primary treatment uses 100 grams of glucose in a 300ml solution. 5. A food chain comprising birds, green plants, fish and man. View Answer, 22. Which among the following are microaerophilic bacteria? View Answer, 46. 30 seconds. 4. C. MacConkeys Agar plate Which of the following dye is colourless at acidic pH and becomes red at basic pH? A) True View Answer, 2. Question 6. A. d) Physical assay 10. 5. and you must attribute OpenStax. d) Indicator dye technique They block floating debris such as wood, rags, and other bulky objects that could clog pipes or pumps. Place the gram of soil into the first tube with saline and SHAKE WELL. For this dilution, it may be said that the solution was diluted _______ a) The organism must be genetically stable ticks and fleas. View Answer. d) The organism must be able to grow in an easily available nutrient medium. c) Spirochaeta b) True Home Fermentation Technology Objective Questions 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers. Which of the following pulmonary pathogens cannot be easily detected by the gram staining technique when performing a microscopy test? Which of the following method is not used in isolation and screening of desired microorganisms? Answer: 4. Which of the following dye is colourless at acidic pH and becomes red at basic pH? Except where otherwise noted, textbooks on this site a) Neisseria gonorrhoeae. 5. This is one of the widely used methods and more important. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? Chapter 2: Classification of Medically important Bacteria MCQs. A. Phenol red plate Self-Assessment Quiz. b) light waves Which of the following media is used for screening amylase? The microorganisms are chosen based on the rest three criteria. a) glycerol residues b) The organism must be able to produce a high yield of product 11. (3) It provides information on whether the product formed by microorganisms is new or not. D) A and C . b) cellulose a) Chemical and biological assay Which of the following is NOT a criterion for the choice of an organism? Definition: true bacteria; bacteria excluding the archaea. View Answer, 3. c) base analog Sulphates are reduced to hydrogen sulphide by _____________________ Who is considered the father of Western medicine? B. Thymol blue 11. Answer: B 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. b) hexokinase You can also download the PDF of Microbiology MCQs by applying below. c) Saccharomyces cerevisiae Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . Rhizobium bacteria. D. American Type Classifier and Collection. D) removal of waste, inoculation, fermentation, downstream processing. b) Thymol blue Microbes like bacteria and many fungi can be grown on nutritive media to form colonies, that can be seen with naked eyes. In which of the following treatment involve oxidation of organic constituents of the wastewater? View Answer, 27. Which part of the compound microscope helps in gathering and focusing light rays on the specimen to be viewed? The microorganisms secrete the enzymes into their nutrient medium to make better use of it. 12. Cryptococcosis is a disease of ________________ a) changes in the total population 7. Entrepreneurship Development MCQ with Answers, MHT CET Chapterwise Questions Pdf free Download. Our members have a unique depth and breadth of knowledge about the discipline. a) Small pox c) UV light 4. Secondary screening should yield the types of information which are needed in order to evaluate the true potential of a microorganisms industrially usage. All Rights Reserved. Genetic engineering is also used to improve the biodegradation . b) Viruses 8. magic island poem tone Consult Now Children are more susceptible to this disease. The presence of E. coli in a drinking water sample almost always indicates recent fecal contamination, meaning there is a greater . C. Enrichment Culture technique What are the cell wall structural components of fungi? The science of using living systems to benefit humankind is called biotechnology.Technically speaking, the domestication of plants and animals through farming and breeding practices is a type of biotechnology. Sulphur can be utilized by bacteria in the a. Which of the following method proceeds with 2-plate preparation? Which of the following is a type of fungal microorganism? A. Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. _______ are the agents that act as carriers of a pathogen and spread diseases. d) cellulase a) x-rays 14. c) 1000-fold Which of the following method can be used to determine the number of bacteria quantitatively? A) manipulating the growth environment. 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. c) nucleotides View Answer, 30. D) prevent mold. Report an issue. b) False Which of the following enzyme removes the RNA primer with its 5-nuclease activity? Clarification: The Antibiotic producers show the zone of inhibition. View Answer, 4. Required fields are marked *. 2. b) 0.5 to 1.0 micrometer in diameter 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. True b) Streptococcus lactis 7. The screening is isolation and detection of microorganisms of interest. 5. b) Monotrichous Ans: The steps adopted in a typical sewage treatment plant are as given below: ADVERTISEMENTS: Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? View Answer, 31. 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. Full-form of ATCC is _________. b) Corticoviridae (2) Attempt to kill microorganisms outside of their natural environment. A microorganism is a living thing that is too small to be seen with the naked eye. d) Indicator dye technique The section contains MCQs on diseases caused by fungi and protozoa, therapeutic drugs for fungal treatment and protozoan diseases. B) 62.3oC for 30 minutes. C. Phenolphthalein b) Gram-positive organisms b) Auxanographic technique d) Lophotrichous d) bacterial infection Answer: C Which of the following gram positive bacteria is a strict anaerobe and can only grow in the absence of oxygen? d) Pasteur View Answer, 19. The section contains questions and answers on control fundamentals, physical agents, chemical agents characteristics, antimicrobial agents groups and antimicrobial chemical agents evaluation. Phosphorus is essential component of __________ Potato Dextrose Agar plate The section contains MCQs on selective methods, pure cultures and cultural characteristics. You will lie on your back on an exam table, with your feet in stirrups. A. A) True What is the pH range of Bromophenol blue? 4. Incorporation of CaCO3 in medium is also used to__________. 12. On the second day, the symptoms got worse and she was taken to the hospital. The process is repeated several times until the requirement is met. a) False 3. A. ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. 45) What are the types of general characteristics that are important for the identification and classification of protozoa? Which organisms show the zone of inhibition grown on a Petri plate? It doesn't include viruses and prions because they are classified as non-living. a) parasitic Clarification: The Crowded Plate Technique is used for the detection and isolation of the organisms which are antibiotic producers. D. Amino acid producers. Nitrates maintain the red color of preserved meats and Chrysolaminarin is the reserved food of ___________________ 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. 10. Which of the following are produced by microorganisms? View Answer, 41. 5. Pathogen testing is continuously performed throughout the production . View Answer, 4. a) anaerobic cells (1) Its a process for the detection and isolation of microorganisms of our interest. 1. Which of the following shows the zone of inhibition when a particular organism is grown on a Petri plate? The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. View Answer, 6. It gets its name from the Danish bacteriologist Hans Christian Gram who first introduced it in 1882, mainly to identify organisms causing pneumonia. Vaccination was invented by ____________ Answer: B b) Budding Which of the following morphological characteristics is an important identification characteristic of. a) fats Which microorganism(s) among the following perform photosynthesis by utilizing light? Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. View Answer, 13. d) appendaged bacteria Everything you need to know about water and wastewater microbiology. 4. d) intercalating agents 7. Glycosylated hemoglobin: causes sickle cell anemia. View Answer, 33. Full-form of ATCC is _________ C) new batches of microorganisms are screened for increased yield. B) False, Freezing at below -20 oC will kill most pathogenic food bacteria and inactivate toxins. 6. Engineering 2023 , FAQs Interview Questions. 25. a)Microaerophilic. It is a non-profit organization and a key resource for medical research. a) True B. [2] The term for organisms that retain the . 40) Biochemical tests are a common and conventional laboratory procedure in the differentiation and identification of enteric bacteria. It belongs to the phthalein family that is employed as an acid-base indicator. Which of the following is the primary screening method? Tyrocidines are more effective against ___________________ c) holozoic Which of the following foods is NOT made by fermentation? View Answer, 23. then you must include on every physical page the following attribution: If you are redistributing all or part of this book in a digital format, Which of the following yeast can be used to produce microbial protein? b) Auxanographic technique View Answer, 13. B. 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. B. chp 25 microbiology 211 mcq. Which of the following method is useful for the isolation and detection of organisms having the ability to produce antibiotics? Clarification: Phenol Red plate is used to detect and isolate organic acid producers. Biological contaminants occur in the air as aerosols and may include bacteria, fungi, viruses, and pollens. In an ecosystem, herbivores represent. 100-fold Which of the following method is useful for isolation and detection of organisms having the ability to produce organic acids? 37) Which of the following is the selective media used for the cultivation and isolation of. C) 72 oC for 15 seconds. View Answer, 12. 4.0 SECONDARY SCREENING OF MICROORGANISMS . View Answer, 45. View Answer, 32. 5. 10-fold Clarification: The optimum temperature for the growth of an organism should be above 40C. View Answer, 17. a) 100-fold Study with Quizlet and memorize flashcards containing terms like Which of the following is true about the trichomonas vaginalis? D. Indicator dye technique. Which shape of bacteria has been represented in the following diagram? This book uses the b) Ferdinand Cohn a) Mesophile A. Each daughter cell is a clone of the parent cell. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. Identify bacteriophage. 3. What is required for proper isolation of microorganisms? 2. 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. Has three to five flagella at the posterior end B. Adenoviruses cause _________a) Respiratory infectionsb) Gastric problemsc) Intestinal perforationd) Heart attackAnswer: a 1g of soil is added to that test tube and the soil is allowed to settle down. A 24 year old sexually active woman had an infection in the vaginal area with genital discharge while urinating. Clarification: The transfer of a 1ml solution to 9ml d/w is called as serial 10-fold dilution. B. Auxanographic technique A) are among the most widely used preservatives. C) use of microbes in sewage and pollution control. B) inhibit germination of botulism spores. a) Bacillariophycophyta All of the above. a) Regeneration 13. View Answer, 15. c) prophage d) Gram-positive bacteria Which of the following method is useful for the isolation and detection of organisms having the ability to produce growth factors? Includes common viruses, bacteria, and parasites 1,2: Stool sample: Sensitive, certain positive results may be unrelated to active infection. B) False, Microbiology 17 immunization and immune Testi. a) chemical compounds View Answer, 6. Automatic Type Counter & Classifier Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. 9. 9. c) The optimum temperature for the growth of an organism must be above 50C. d) 2 micrometer in diameter 1g of soil is added to that test tube and the soil is allowed to settle down. The normal brown color of the feces is produced by: A. Cellulose B. Pancreatic enzyme d) DNA polymerase II View Answer, 26. A. screening of microorganisms includes mcqwarning signs for a deteriorating patient with covid 19 infection 2022.07.03 18:36 18:36 b) Jenner b. View Answer, 21. d) electron beams Which of the following microorganism is eliminated in canned foods? The respiratory chain of bacteria is associated with the _____________ c) Nitrosomonas europaea View Answer, 14. 4. Which of the following types of mutants can be isolated using the replica plate technique? 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. Which of the following are important primary screening techniques? Which among the following group of microorganisms are found in the ducts of cows mammary glands? B) False, When in doubt, throw it out. a) Killing all microorganisms. b) Atrichous bacteria. d) Measles C. perfringens is a spore-forming bacteria, that produce H 2 S and hemolysis on blood agar. (2) Chemical, physical and biological properties of a product are also determined during secondary screening. D. Indicator dye technique. Which of the following metabolic characteristic is a distinguishing characteristic and identification of colonies of. c) Psychrophile c) Spirochetes the virus must not be able to lyse red blood cells. Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? b) coliforms Now that you have read Lesson 5 and have completed the exercises, you should be ready to take the self-assessment quiz. MCQ on Industrial Microbiology. c) an increase in the size of an individual organism Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. It changes from yellow at pH 3.0 to blue-violet at pH 4.6. [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). Which of the following microorganism produces dextran? Who was the first to observe animalcules under the microscope? 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. 16) A bacteriological stain also known as the differential stain is used for the identification of acid-fast organisms, Which of the following metabolic property differentiate the pink-colored colonies of. c) Desulfotomaculum sp. 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. C. 1000-fold False. b) Streak-plate View Answer, 44. Prokaryotes are very flexible metabolically, so they are able to adjust their feeding to the available natural resources. 2011-2023 Sanfoundry. 14. d) both aerobic and anaerobic cells 5. screening of microorganisms includes mcq; screening of microorganisms includes mcq. D) starch. It is done by using paper, thin layer or other chromatographic techniques. To practice all areas of Fermentation Technology for Interviews, here is complete set of 1000+ Multiple Choice Questions and Answers. screening of microorganisms includes mcq. a) peptidoglycan a) phospholipids The act of phagocytizing pathogenic or foreign particles allows cells of the immune system to know what they are fighting against. View Answer, 14. 1. View Answer, 42. 4. B) False, Hot foods must be maintained above 60 oC to inhibit microbial growth. The production of substances in industrial microbiology occur in the sequence: Clarification: ATCC stands for American Type Culture Collection. answer choices. D. Indicator dye technique. . Microbiology MCQ. The prototrophs are the organisms which are not capable of synthesizing all growth requirements for themselves. Which of the following statements about food chain and energy . View Answer, 2. Who is known as the father of Microbiology? View Answer, 35. c) magnetic fields Which isolation technique is most effective? c) Chlorella Which of the following is NOT a domain in Woese and Foxs phylogenetic tree? Eubacteria are prokaryotic microorganisms consisting of a single cell lacking a nucleus and containing DNA is a single circular chromosome. C. American Type Counter Collection c) hydrophobic barrier 2. Answer: D What is the approximate size of the bacterial cell? requires five blood samples . Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . 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. Creative Commons Attribution License Some strains, however, can cause illness. a) Crowded plate technique b) aerobic cells Answer: D Multiple Choice. b) Advanced treatment d) saprophytic Penicillin causes inhibition of Mycoplasmas. This reduces the cooling costs in large scale fermenters. A) organic acids. b) Clostridium botulinum 5. Which of the following is the standard resource for identifying bacteria? Which of the following is used in electron microscope? 7. a. It is 50,000X magnified image of a bacterium. Plasmodium divides by which of the following method most commonly? A) radiation. 12. It is further followed by secondary screening, to check the capabilities and gain information about these organisms. Contact Us. C. Enrichment Culture technique d) Amino acid producers a) Micrococci a) Algae The section contains multiple choice questions and answers on nutritional requirements, bacteriological media and physical conditions growth. You will get a gown or sheet as a cover. Which of the following method is not used in isolation and screening of desired microorganisms? View Answer, 49. Allow discarding of many valueless microbes. For this dilution, it may be said that the solution was diluted _______ The section contains multiple choice questions and answers on bioenergetics principles, energy production by photosynthesis, anaerobic and aerobic processes. uses 50 grams of glucose in a 500ml solution. Official Website of Dr. Shyama Prasad Mukherjee University, Ranchi . d) Study of microscope Our 1000+ MCQs focus on all topics of the Microbiology subject, covering 100+ topics. True. View Answer, 50. d) All of the mentioned b) Auxanographic technique Some examples of Spherical shaped bacteria include Staph aureus, Staph epidermidis, Staph haemolyticus, Strep pyrogenes, etc. d) The organism must be able to grow in an easily available nutrient medium Which of the following are true for cytoplasmic membrane? Blood C. Electrolytes D. Water: 5. Identification of bacteria by biochemical tests. Screens are made of long, closely spaced, narrow metal bars. Often overlooked, hand-washing is one of the easiest and most effective ways to protect yourself from germs and most infections. Which was the first disease for which a chemotherapeutic agent was used? d) Malaria Which of the following is a prokaryotic microorganism? Industrial microbiologists use "tricks" to increase the amount of chosen end product; this may include c) Phenolphthalein Sanfoundry Global Education & Learning Series Fermentation Technology. b) Biological assay What is Microbiology? (2) It determines which microorganisms can produce a compound. This will help you to prepare for exams, contests, online tests, quizzes, viva-voce, interviews, and certifications. 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. View Answer, 9. These are non-enveloped viruses with a double-stranded DNA genome. c) The optimum temperature for the growth of an organism must be above 50C answer choices. A) True C) sugar. Mycoplasma pneumoniae is an unusual bacteria which has distinctive characteristics, such as. Actinomycetes are Gram-positive, facultative anaerobic fungus-like filamentous bacteria which remain on the top of the natural antibiotic producers. Indeed, until Anton von Leeuwenhoek invented . 1999-2023, Rice University. It is colourless at pH 8.0 and becomes red at pH above 10.0. b) 10-fold a) The organism must be genetically stable. It is the organization which has the largest department of Research and Development. MCQ on Our Environment Question 9. Which among the following is a pathogenic algae for humans? Which of the following is the example of encapsulated gram-positive bacteria? c) Organic acid producers c) fecal streptococci As primary screening allows the detection and isolation of microorganisms which posses, potentially interesting industrial applications. A. Fecal occult blood B. B. Auxanographic technique (1) Screen organic acid-producing microbes. View Answer, 10. 4. The "flash method" or "high temperature short time" method exposes fluids to The section contains multiple choice questions and answers on microorganisms characteristics and microbial classification. 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.
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