The acid is produced on a commercial scale and is cheaper than the acid made from the citrus fruits. (Late blight of potatoes) is another destructive crop disease. There are more than 170 species of bacteria which cause plant diseases. They inhibit the growth of many pathogenic bacteria and are also used successfully in the treatment of various virus diseases. They are also used in food processing and in pharmaceutical industries. Major food crops of the world belongs to the family. A few fungi cause skin discoloration. This will clear students doubts about any question and improve application skills while preparing for board exams. There the conidia germinate to produce hyphae which penetrate into the tissues of the host and absorb nourishment. Drechsler (1937) reported that there are some predacious fungi (Fig. Many species of fungi are edible, about 2000 species of them have been reported from all over the world. Decomposition - nutrient and carbon recycling. The industrial uses of fungi are many and varied. Mushrooms are a type of fungi. Button/Field mushrooms are grown for food. [a] Four types [b]Five types [c] Six types [d] Eight types Click to show/hide Some species of these predatory soil fungi form loops on the mycelium (A). The other by-product which is carbon dioxide was formerly allowed to escape as a useless thing. They influence the well-being of human populations on a large scale because they are part of the nutrient cycle in ecosystems. The well-known skin disease ‘ring worm’ and barber’s itch are also fungal diseases. It provides important nutrient to plants. The members have useful as well as harmful effects to the man kind. In producing industrial alcohol moulds are employed as starters to bring about scarification of the starch. You can … (vii) Smut diseases of corn, wheat, oat and other cereal crops cause serious reduction in the yield and quality of grain. In fact our lives are intimately linked with those of fungi. (b) Roquefort Gorgonzola and Stilton types. Though fungi resemble plants, they are not plants. So they are our friends as well as enemy. (x) Blackarm, Wilt and root rot of cotton: These diseases of cotton, which is a very important commercial crop of our country, take a heavy toll of the crop every year. Answer Now and help others. Economic Importance of Fungi in Agriculture Fungi can be distinguished from algae in fact that. The success of penicillin as an antibiotic was later found to be limited. Benefits Disadvantages. c) Lichen. In fact the fungi form the basis of many important industries. It is called ergot of rye. Become our . February 22, 2012 Acharya Tankeshwar MCQ Microbiology, MCQ Mycology 10. c) Glycogen. They serve to suppress fungi causing the damping off disease of the seedlings and thereby influence favourably the growth of crops. Economic Importance of Bacteria and Fungi Bacteria. These cause diarrhoea, abdominal pain, vomiting and psychiatric disturbances. For example: Morels: e.g. Which of the following fungi is most likely to be found within reticuloendothelial cells. 20 marks. Of these, about 200 are said to occur in the Western Himalayas. Free PDF Download of CBSE Biology Multiple Choice Questions for Class 12 with Answers Chapter 15 Biodiversity and Conservation. 1800-212-7858 / 9372462318. Fungi are found in different vast variety of habitats. Download Algae MCQ Question Answer PDF. Our mission is to provide an online platform to help students to share notes in Biology. Question Papers Revision Notes Take Quizzes Solve Worksheets. a) Saffranine. These are responsible for liver cancer in animals and human beings. Chapter 8 kingdom fungi mcqs: Fungi are heterotrophic organisms also known as kingdom of recyclers. Certain dyes and reagents are produced from the fungi. Spp. 10) Which of the following fungi produces poisonous substance mycotoxin called aflatoxin and can a) Candida albicans b) Mucor c) Aspergillus flavus d) Rhizopus 11) The growth temperature is an important factor for dimorphic pathogenic fungi which exists both in yeast and mold. Get Economic Importance of Bacteria and Fungi, Biology Chapter Notes, Questions & Answers, Video Lessons, Practice Test and more for CBSE Class 10 at TopperLearning. Penicillin is an organic substance lethal to microbes. In tropical conditions, many fungi such as Mucor sp., Penicillium, Neurospora, Fusarium, Aspergillus etc., grow on meat causing sufficient spoilage. Academic Partner. Role of Fungi in Medicine 2. So they are our. 1800-212-7858 / 9372462318. They are used in the food factory for the production of bakeries and breweries. 5. Concise Selina Biology Part I Solutions for Class 9 Biology ICSE, 9 Economic Importance Of Bacteria And Fungi. Required fields are marked *. Fungi can be used in medicine i.e. several fungi such as species of Chaetomium, Aspergillus, Stachybotrys, Alternaria, Fusarium, Dematium, Mucor, Cladosporium etc. Certain species of Penicillium are active in the refining of certain kind of cheeses. cause extensive damage to paper of books, newspapers and paper industry. They are used for dextrinization of starch and desiring of textiles. Welcome to BiologyDiscussion! Let us have a look at some of the fields where fungi are really important. It contains 15% protein and B group of vitamins. The members have useful as well as harmful effects to the man kind. They cause disease collectively known as aspergilloses such as aspergilloses of lungs, external ear, etc. Current Affairs on Govt. Ergot toxins produced by Claviceps purpurea contain poisonous alkaloids like ergotamine, ergometrimine, ergocrystinine, ergocrystinine and ergonovin. Besides, many saprophytic fungi of decay maintain the never ending cycle of carbon dioxide which is a most important raw material for plant photosynthesis in nature. There are several members of Ascomycetes which are economically important. They are grown with ammonia as the source of nitrogen and molasses as the source of carbon. is used as food. Yeast is a source of Vitamin B complex and Riboflavin. Mushroom toxins are commonly produced by Amanita phalloides, spp. They degrade the environmental pollutants. Application of an antibiotic to surface of freshly killed poultry preserves the fresh-killed taste during long periods of refrigeration. Economic Importance of Fungi in Agriculture Fungi change them into humus. The above-mentioned diseases caused by fungi are thus responsible for a huge loss to our crop and other economic plants. There is a Penicillin factory at Pimpri in India. Selina ICSE Solutions for Class 9 Biology Chapter 9 Economic Importance Of Bacteria And Fungi. Biological Classification MCQ Questions /objective with answers Class 11 Biology Chapter 2. Some these economic roles of these members are; Beneficial aspects of fungi: Productions of beverages such as the beers, malt tonics are fermented from the malts by the fungus Saccharomyces cerevisiae. Some fungi are used for bioremediation. Exercise 1. Role of Fungi in Agriculture 4. It is a serious disease of sugarcane whose incidence has increased during the last few years, particularly in the northern parts of the country. Aspergillus flavus is used in the production of African native beer. They play an important role in medicine by yielding antibiotics, in agriculture by maintaining soil fertility, are consumed as food, and forms the basis of many industries. Besides potatoes, it infects egg plants, tomatoes, etc. There are several members of Ascomycetes which are economically important. Which of the most important source of food and fodder? Edible Fungi. P. polycephalum has proved an excellent experimental organism for the study of DNA synthesis, meiotic cycle and the mechanism of protoplasmic streaming. The manufactured product is called Food Yeast. 20 Questions with Answers and Explanations on “Kingdom Fungi” for Biology Students. B Study of economic importance of fungi . They trap and destroy the nematodes (eel worms). The giant puff ball Clavatia contains an anti-cancer substance calvacin. c) Glycerine. Fungi for a matter of fact are of huge economic importance showing diversity in habitat and morphology. Although we often think of fungi as organisms that cause disease and rot food, fungi are important to human life on many levels. Role of Fungi as Food and as Food Producers. Some of these are rusts, puffballs, (b): The true fungi or the eumycetes are special types of achlorophyllous thallophytic organisms living a parasitic or a saprophytic mode of existence; they are always heterophytes and never autophytes. Economic importance of fungi Fungi have both positive and negative rol es in our daily life. Some of these are rusts, puffballs, truffles, morels, moulds, yeasts etc. In brewing or wine making industry alcohol is the important product. They play an important role in medicine yielding antibiotics, in agriculture by maintaining the fertility of the soil and causing crop and fruit diseases, forming basis of many industries and as important means of food. Calmette (1902) obtained the gallic acid as the fermentation product of an extract of tannin by Aspergillus gallomyces. Contact. Therefore, they get their food from different sources. Beneficial Effects of Fungi: 1. These are prevented from being lost from the soil by leaching. C Myxomycetes . Claviceps purpurea produces sclerotia in the ovaries of the flowers of grasses such as rye The sclerotium is called the ergot of rye. Though fungi resemble plants, they are not plants. Decomposition and humus formation: Fungi decompose the dead animals and plants. Aspergillosis is recognized in tissue by the presence of a. Metachromatic … Fungi form very good research material for genetical studies and other biological processes Genus Neurospora has become very good material for genetic studies while Physarum polycephalum is used to study steps in DNA synthesis, morphogenesis and mitotic cycle. Structure, Reproduction and Economic Importance of Bacteria, Virus and Lichens. ... MCQ on Economic Botany 1. Fungi are found in different vast variety of habitats. Multiple Choice Questions (MCQ) Mycology. 1. It may be a modification of Calmete’s process. Which of the following fungi is most likely to be found within reticuloendothelial cells. MCQs on Kingdom Fungi Fungi are eukaryotic, non-motile and non-vascular entities and are ubiquitous. Role of Fungi in Medicine 2. It lowers the quality as well as quantity of the fruit. 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