secreted by the retting microbes. Retting of jute is done by Clostridium butyricum. This occurs in retting of jute fibre, rancid butter, tobacco processing and tanning of leather. Name a microbe used for the production of swiss cheese. Earthworms have no skeleton but during burrowing, the anterior end becomes turgid and acts as a hydraulic skeleton. During this process, some microorganisms decompose pectins of jute barkandthe intervening tissues disinte- grate. We hope the given NCERT MCQ Questions for Class 12 Biology Chapter 10 Microbes in Human Welfare with Answers Pdf free download will help you. Commercial fiber is separated in the fiber yielding plants by the decomposition of non-cellulosic cementing material through a process called retting. For retting of jute the fermenting microbe used is. To keep reading this solution for FREE, Download our App. Basic methods include dew retting and water retting. Bacterial Population Structure of the Jute-Retting Environment 271 retting water, type and depth of water and activators, controlling the quality of water along with improving microorganisms used in the process are the keys to improved fiber quality [1, 26]. It is a gram-positive butyric acid producing bacteria. Four bacterial strains from Bacillus strains with high PG, PAL, and xylanase activities with minimal cellulase tracks were used in jute fibre retting . For this purpose, stems of fibre yielding plants are immersed in water for long period where decomposition sets in. 2003). Dew For retting of jute the fermenting microbe used is (2005) (a) methanophilic bacteria (b) butyric acid bacteria (c) Helicobactor pylori (d) Streptococcus lactin. Answer: (b) Butyric acid bacteria. 2:44 400+ LIKES. It is used in the production of fibre from plant materials such as flax and hemp stalks and coir from coconut husks. Retting is facilitated by anaerobic butyric acid bacteria such as Clostridium botulinwn, Clostridium tetani and Clostridium perfringens. a) Euglena b) Paramecium c) Trypanosoma d) Amoeba 4. 58. For retting of jute the fermenting microbe used is [CBSE PMT 2005] A) Methophilic B) Butyric acid bacteria C) Helicobactor pylori D) Streptococcus lactin For retting of jute the fermenting microbe used is (a) methanophilic bacteria (b) butyric acid bacteria (c) Helicobactor pylori (d) Streptococcus lactin. Waste retting water, which requires treatment to reduce harmful toxic elements before its release, is rich in chemicals and can be used as liquid fertilizer. Which of the following unicellular organisms has a macronucleus for trophic function and one or more micronuclei for reproduction? For retting of jute the fermenting microbe used is 2:29 3.3k LIKES. Retting process is used for obtaining fibres from steins of flax, hemp, jute etc. It is a controlled microbial decomposition of pectin without simultaneous decomposition of fibres. Retting is a process employing the action of micro-organisms and moisture on plants to dissolve or rot away much of the cellular tissues and pectins surrounding bast-fibre bundles, and so facilitating separation of the fibre from the stem. The retting process (Meijer et al., 1995) demonstrates the role of fermentation in the food industry, albeit that the fermentation is uncontrolled compared with many food industry applications. The traditional water retting and chemical semi-degumming methods restrict the development of the jute industry. Can you explain this answer? The process of growth is maximum during : Adult with radial symmetry and larva with bilateral symmetry. A mixed bacterial retting culture was inoculated during ribbon retting of jute, and most of the defects arising from conventional retting could be overcome by ribbon retting (Banik et al. Get a free home demo of LearnNext. Uses of pectinolytic bacterial consortium for quick retting of jute … Answer. While the traditional retting method is water retting, that is, the harvested bast kenaf is immersed in natural water (rivers or tanks) in which indigenous bacteria colonize noncellulosic materials in an anaerobic process resulting in severe environmental problems and low-grade fiber, therefore it is inevitable to seek for a pollution-free or little-pollution retting method. Retting, process employing the action of bacteria and moisture on plants to dissolve or rot away much of the cellular tissues and gummy substances surrounding bast-fibre bundles, thus facilitating separation of the fibre from the stem. Answer and Explanation: 36. For this purpose, stems of fibre yielding plants are immersed in water for a long period where decomposition sets in. For retting of jute, the fermenting microbe used is 1:33 1.1k LIKES. bacterial retting culture was inoculated during ribbon retting of jute, and most of the defects arising from con- ... jute bast, samples of fermentation liquid liquor were col-lected every 3 h and then separated by a 0.2 μm mem-brane (Vivaflow 200). Dec 16,2020 - For retting of jute the fermenting microbe used is[2005]a)Methophilic bacteriab)Butyric acid bacteriac)Helicobactor pylorid)Streptococcus lactinCorrect answer is option 'B'. Answer. Biological retting is the cheapest and a universally practiced method for the commercial extraction of jute fibers. Butyric acid Fermentation. 300+ SHARES. For retting of jute the fermenting microbe used is 000+ LIKES. 1.7k VIEWS. 1.7k SHARES. AIPMT 2005: For retting of jute the fermenting microbe used is (A) methanophilic bacteria (B) butyric acid bacteria (C) Helicobactor pylori (D) Strept Retting is facilitated by anaerobic butyric acid bacteria such as. (b): Retting is the process of separating fibres that are held together in close association using a variety of bacteria. 300+ VIEWS. For retting of jute the fermenting microbe used is Ask for details ; Follow Report by Manojkrsingh7785 20.06.2019 Log in to add a comment For this purpose, stems of fibre yielding plants are immersed in water for a long period where decomposition sets in. Which of the following is not an attribute of a population ? Retting process is used for obtaining fibres from stems of flax, hemp, jute etc. The fufu was transferred in jute bags and excess water pressed out. Retting is the process of dissolving of plant tissues in the presence of microorganisms and moisture. | EduRev NEET Question is disucussed on EduRev Study Group by 158 NEET Students. Among industrial fiber crops, jute is ranked second to cotton in terms of yield and planting area worldwide. Watch learning videos, swipe through stories, and browse through concepts, Customize assignments and download PDF’s, Retting is the process of dissolving of plant tissues in the presence of microorganisms and moisture. For this purpose stems of fibre yielding plants are immersed in water for Song period where decomposition sets in. Optimization of Fermentation Conditions for Pectin Degrading Enzyme Production by Pectinolytic Microbial Consortia Used for Jute Retting November 2017 International Journal of … bacteria) in the retting system were monitored daily. Match the following columns and select the correct option. Which antibiotic inhibits interaction between $ tRNA $ and $ mRNA $ during bacterial protein synthesis? 4. Q. The pectins are divided into three groups: (a) protopectins, (b) pectins, and(c)pectic acids. For this reason jute is popularly called the "golden fiber" of Pakistan. An ecofriendly and water saving retting technology of jute has been developed by fermentation by fermentation procedure (Banik 2016). For bast fibres such as hemp and flax, dew retting is the main process currently used for separating the fibres from other plant tissues. Available for CBSE, ICSE and State Board syllabus. Call our LearnNext Expert on 1800 419 1234 (tollfree) OR submit details below for a call back For retting of jute the fermenting microbe used is, A sequential expression of set of human gene occurs when steroid molecule binds to the, A common test to find the genotype of a hybrid is. For retting of jute the fermenting microbe used is a methanophilic bacteria b butyric acid bacteria c Helicobactor pylori d Streptococcus lacti A.S It involves microbial decomposition of the unwanted material. chemical process of retting. Butyric acid is produced in the human colon as a product of dietary fibre fermentation. For retting of jute the fermenting microbe used is. 1.6k SHARES. The exhaust gases enter the heat exchanger at 400°C at a rate of 32 kg/min while water enters at 15°C,The heat exchanger is not well insulated, and it is estimated that 10 percent of heat given up by the exhaust gases is lost to the surroundings. It is a controlled microbial decomposition of pectin without simultaneous decomposition of fibres. Averyimportanitstep in the jute industry is retting. NEET Masterclass in Biology 4 Microbes in Human Welfare questions & solutions with PDF and difficulty level It is due to, Choose the correct pair from the following. After retting The retted stalks, called straw, are dried in open air or by mechanical means and are frequently stored for a short period to allow curing to occur, facilitating fibre removal. Observations showed that retting was complete in 3 days ... most important method of cassava processing is by fermentation. The filtered solution was used to the Retting of Malvaceous Plants S. M. BETRABET AND J. V. BHAT Fermentation Technology Laboratory, Indian Institute of Science, Bangalore, India Received for publication July 8, 1957 Retting, which constitutes a vital step in the pro-duction of fibers like hemp,jute, andflax, is essentially a microbial decomposition process and depends upon For retting of jute, the fermenting microbe is: (a) Methanophilic bacteria (b) Butyric acid bacteria (c) Helicobactor pylon (d) Streptococcus lactin. Retting is facilitated by anaerobic butyric acid bacteria such as Clostridium … A highlighted synergetic effect of combining microorganisms resulted in better PG (35.52–46.61 IU/g), pectin lyase (39.79–72.12 U/ml), and xylanase (0.705–0.840 µ mol/ml/min) activities. Thus, a better understand-ing of the microbial community involved in the retting Retting of jute is carried out by the various enzymes like polygalacturonase, pectin lyase (Soriano et al., 2005; Zhang et al., 2000), xylanase etc. Join the 2 Crores+ Student community now! 2. Anonymous comment on Hot exhaust gases of an internal combustion engine are to be used to produce saturated water vapor at 2 MPa pressure. Retting is facilitated by anaerobic butyric acid bacteria such as Clostridium botulinum, Clostridium tetani and Clostridium perfringens. Enzymes Used For Hemp Retting Before we answer that, let us take a detour, back to the basics to better understand the purpose of the general-retting process. The roots that originate from the base of the stem are: The infectious stage of Plasmodium that enters the human body i s, identify the substances having glycosidic bond and peptide bond, respectively in their structure. This type of fermentation is characteristic of obligate anaerobic bacteria of genus clostridium. 1.6k VIEWS. 36. Every fashion-junkie today, if were given an option of choosing a fabric for both comfort and statement they’d always turn to the organic fibre-turned-textile dubbed as Linen. What is true for individuals of same species? Basophilic prokaryotes (2005) (a) grow and multiply in very deep marine sediments (b) occur in water containing high concentrations of barium hydroxide Identify the wrong statement with reference to the gene T that controls ABO blood groups. For retting of jute the fermenting microbe used in a) Streptococcus lactin b) Methophilic bacteria c) Heliobacter pylori d) Butyric acid bacteria 3. 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