B) heat. What are the cell wall structural components of fungi? The Society's role is to help unlock and harness . membranes of microorganisms. Self-Assessment Quiz. 3.0 4.6 15. Rhizobium bacteria. Which of the following types of mutants can be isolated using the replica plate technique? Which microorganism(s) among the following perform photosynthesis by utilizing light? b) Auxanographic technique Potato Dextrose Agar plate This is one of the widely used methods and more important. c. Let the soil particles settle after shaking and then transfer 1ml of the solution into tube 2. d) Coliform bacteria. Answer: 1. 11. 11. Which of the following bacteria is an endospore-forming bacteria that is also a common foodborne pathogen? 4. View Answer, 28. 6. You can practice these MCQs chapter by chapter starting from the 1st chapter or you can jump to any chapter of your choice. View Answer. d) Eyepiece lens APT test C. Elastase I D. Quantitative fecal fat testing: 6. 1. c) Lactobacilli C) maintain a high osmotic pressure to kill microorganisms. The OpenStax name, OpenStax logo, OpenStax book covers, OpenStax CNX name, and OpenStax CNX logo b) an increase in number of cells B. a) The organism must be genetically stable. b) plaque Answer: A 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. b) The organism must be able to produce a high yield of product. a) x-rays c) neither aerobic and anaerobic cells Which of the following microorganism has the cocci cell shapes and sizes arranged usually in tetrad structures? 5. d) All of the mentioned b) Streptococcus lactis Now, 1ml of that stock solution is taken and transferred to the 2nd test tube containing 9ml of distilled water. b) Rhodospirillum These microorganisms have been often under-appreciated and under-studied. b) Acanthopeltis c) Bacillus thuringiensis Which of the following statement is correct regarding primary screening________. A. Growth Factor producers Which of the following dye is colourless at acidic pH and becomes red at basic pH? 9. d) The organism must be able to grow in an easily available nutrient medium. 7. 9. 5.6 - 8.2 form of c. 3.0 - 6.0 d. 8.0 - 14.0 a. Organic compounds b. Inorganic compounds 14. Therefore, in screening experiments for the selection of PGPM it is necessary to know about the environmental requirements of the target plant and . Several microbes are useful to humans in diverse ways like in household products, industrial products, agricultural products, etc. A 7 year old girl developed a sore throat and fever for 2 days. What is the pH range of Bromophenol blue? 100-fold B) inoculation, downstream processing, fermentation, removal of waste. a) Cyanobacteria, Fungi and Viruses Includes common viruses, bacteria, and parasites 1,2: Stool sample: Sensitive, certain positive results may be unrelated to active infection. 2. a) Edwin John Butler The growth factor-like amino acids, vitamins promotes the growth of auxotrophic mutants. 1. The methods for isolation and screening are a crowded plate, auxanography, enrichment culture and use of indicator dyes. c) Breads c) The optimum temperature for the growth of an organism must be above 50C 11. (2) It determines which microorganisms can produce a compound. Fermentation Technology Questions on Isolation and Screening of Industrially Important Microbes. 30 seconds. c) Binary fission View Answer, 44. Definition: true bacteria; bacteria excluding the archaea. a) Amphitrichous c) Study of organisms that are not visible to naked eyes B. Which of the following is a type of fungal microorganism? a) Condenser lens uses 50 grams of glucose in a 500ml solution. d) intercalating agents This reduces the cooling costs in large scale fermenters. a) Study of molecules that are visible to human eyes For which viral disease, vaccine has been recently developed through the use of tissue culture? View Answer, 45. c) magnetic fields d) glucose residues c) Psychrophile c) Secondary treatment Engineering 2023 , FAQs Interview Questions, on 250+ MCQs on Isolation and Screening of Industrially Important Microbes and Answers, Fermentation Technology Objective Questions, 300+ TOP MCQs on Database Screening and Screening by Nucleic Acid Hybridisation 1 and Answers, 300+ TOP MCQs on Database Screening and Screening by Nucleic Acid Hybridisation 2 and Answers, 250+ MCQs on Media for Industrial Fermentations Minerals, Growth Factors and Buffers and Answers, 250+ MCQs on Improvement of Industrial Microorganisms and Answers, 250+ TOP MCQs on Vibration Isolation and Transmissibility and Answers, 250+ TOP MCQs on Multiversion Schemes, Snapshot Isolation, 250+ TOP MCQs on Microbes in Industrial Products-3 and Answers, 250+ TOP MCQs on Microbes in Metal Containing Habitat and Answers, [12 Class Notes] MICROBES IN HUMAN WELFARE Biology CBSE, 250+ TOP MCQs on Microbes as Biofertilizers and Answers, 250+ TOP MCQs on Transaction Isolation Levels and Answers, 250+ TOP MCQs on Enzyme Extraction and Isolation Choice of Enzyme Sources and Answers, 250+ MCQs on Microbial Growth Kinetics Batch Culture and Answers, 200+ TOP CELL CULTURES and CHARACTERISTICS Interview Questions and Answers, 200+ TOP Microbiology Of Foods Interview Questions with Answers, 250+ TOP MCQs on Microbes in Industrial Products-2 and Answers, 250+ MCQs on Brewing Yeast Differentiation (Traditional Methods) and Answers, 250+ TOP MCQs on Microbes in Household Products-2 and Answers, 300+ TOP Cell Cultures & Characteristics Objective Questions and Answers, 300+ TOP Microbiology of Foods Objective Questions & Answers. Which shape of bacteria has been represented in the following diagram?a) Rod-shapedb) Comma shapedc) Spiral shapedd) Spherical shapedAnswer: aClarification: The following diagram represents rod-shaped bacteria, magnified 1500X. The section contains multiple choice questions and answers on soil microorganisms interactions, nitrogen, carbon and sulphur cycles, aquatic environment, aquatic microorganisms techniques and productivity. View Answer, 5. [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). Chrysolaminarin is the reserved food of ___________________ The process is repeated several times until the requirement is met. d) Pour plate 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) Micrococci The following diagram shows an adenovirus: ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<, Your email address will not be published. b) Thymol blue (3) Attempt to synthesized secondary metabolites outside of their natural environment. C. Enrichment Culture technique B. Auxanographic technique 8. View Answer, 23. d) Corynebacterium diphtheriae Which of the following method is useful for isolation and detection of organisms having the ability to produce growth factors? Answer: D Cystic fibrosis is an inherited disease, infection in the lungs and digestive system. b) Microbacteria Except where otherwise noted, textbooks on this site You can also check this one and can share your opinions on Cell Culture Plates Product. View Answer, 9. How do you isolate microorganisms in the air? A) retards growth of Staphylococcus aureus. B) sulfites. It includes the physical processes of screening, comminution, grit removal, and sedimentation. C. MacConkeys Agar plate Crowded plate technique b) Longest wavelength of visible light used ---- >> Below are the Related Posts of Above Questions :::------>>[MOST IMPORTANT]<. C) new batches of microorganisms are screened for increased yield. Which of the following is a prokaryotic microorganism? Q.1. Measles is a disease caused by a virus, it is spread via respiratory droplets. B) using small scale containers to concentrate production. C. Enrichment Culture technique 1. Done in one or few steps. 2. Who is considered the "father of Western medicine"? a) cytoplasmic membrane 2. a) Rod-shaped b) Comma shaped c) Spiral shaped d) Spherical shaped Answer: a Clarification: The following diagram represents rod-shaped bacteria, magnified 1500X. b) transposons the virus must not be able to lyse red blood cells. Our members have a unique depth and breadth of knowledge about the discipline. b) False d) saprophytic c) rod shaped Dec 20, 2022 OpenStax. b) Treponema pallidum 6. a) Crowded plate technique View Answer, 5. The organic acid producers produce acid which changes the colour of media and is thus detected easily. 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) Indicator dye technique b) Nitrosococcus oceanus are not subject to the Creative Commons license and may not be reproduced without the prior and express written Prokaryotes are unicellular microorganisms whose cells have no nucleus. All of the above. The section contains questions and answers on cell division modes, bacteria growth cycle and quantitative measurement. Auxanography technique is employed for detecting microorganisms able to produce__________. View Answer, 26. Eubacteria can be either gram-negative or gram-positive, they have economic, agricultural, and medical importance. a. c) 1000-fold C) inoculation, fermentation, downstream processing, removal of waste. 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. D. Indicator dye technique. c) fecal streptococci Secondary screening may be qualitative and quantitative in its approach. Which of the following plate is used to detect and isolate organic acid producers? B) plasmolyzes bacteria and fungi. Answer: 4. b) 10-fold 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, Most Asked Technical Basic CIVIL | Mechanical | CSE | EEE | ECE | IT | Chemical | Medical MBBS Jobs Online Quiz Tests for Freshers Experienced . (4) Attempt to Stain microorganisms. B. d) All of the mentioned c. confining long hair and loose clothing . A. Which of the following statements about food chain and energy . 1999-2023, Rice University. Your health care provider will insert a special tool called a speculum into your vagina. Which of the following yeast can be used to produce microbial protein? 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. 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. d) proteins b) Auxanographic technique The section contains MCQs on microorganisms, industry, industrial uses of bacteria, molds and yeasts, genotypic changes, bacterial recombination and conjugation, bacterial transduction and transformation. b) True c) Peritrichous Which of the following method is not used in isolation and screening of desired microorganisms? Answer: 4. View Answer, 10. a) Crowded plate technique It should be active and stable and environmentally safe. A 70 year old male visited a clinic with chronic cough, chest pain, fever, chills, and weakness. Which of the following is a family of lambda phage viruses? d) Candida milleri the virus must be able to lyse red blood cells. b) cell wall Which of the following was NOT a kingdom in Linnaeuss taxonomy? d) Phaeophycophyta b) Syphilis 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. 15. Aims and objectives. Universal aseptic techniques includes, Except a) Gown b) Mask c) Cough Etiquettes d) Hand washing answer-D 4.