When these grains are eaten by humans or when they are fed to dairy cattle and they get into the milk supply, they affect humans. Importance 9. b)Cotton blue. On the second day, wearing gloves add the phenol crystals to the lactic acid in a glass beaker, place on magnetic stirrer until the phenol is dissolved. Professionals, Teachers, Students and Kids Trivia Quizzes to test your knowledge on the subject. Place a cover slip over the smear and press gently. Grow best in warm, moist environments preferring shade, 22. Fruiting bodies are modified hyphae that make asexual spores. Characteristics of Fungi: Questions and Answers #  5. In contrast, with invasive aspergillosis, the immune system has collapsed and little or no defence can be mounted. 6. 7. After two years, the potato rot seemed to slacken, but in 1847 it was back with a vengeance. Spore Forms in Fungi: Fungi reproduce both asexually and sexual­ly by different types of spores. The KOH prep cannot identify the specific organism; the specimen can be submitted for fungal culture to identify the organism. Molds, mildew, rust, and smuts damage crops, 3. Reproduction 7. Some fungi are very important for the production of medical drugs. Definition of Fungi 2. Asexual reproductive structure called sporangium and produces sporangiospores. Fungi reproduce asexually when environmental conditions are favorable. Questions and Answers # 6. It is endemic in certain areas of the United States. Each filament in a mycelium is known as A) a zygosporangium. Rhizoids anchor the mold, release digestive enzymes, and absorb food. Dermatophytes or yeast seen on a KOH test indicate the person has a fungal infection. D Copper sulphate. Fungal cultures are a test to try and ascertain the type of fungal organism that is responsible for an infection or even the presence of the organism in the first place. What is its function? To enhance clearing dimethyl sulfoxide can be added to the slide. 4. Reproduce by sexual and asexual spores, 18. 8. 9. 2. Number of Questions Added: 03, #47-49. This is a question and answer forum for students, teachers and general visitors for exchanging articles, answers and notes. 1. The presence/absence of conidia and their size, shape and location are major features used in the laboratory to identify the species of fungus in clinical specimens. Definition of Fungi 2. Basdiocarp made up of stalk called the stipe and a flattened cap. These are pyriform in shape having two flagella (one whiplash and one tinsel type), placed anteriorly., e.g., Saprolegnia etc. Questions and Answers # 9. Match the different types of spores listed under column I with the names of the organisms given under column II. Cryptococcus neoformans is the major human and animal pathogen. Some unicellular fungi reproduce by mitosis. 5. INDEX S. NO.HEADINGS1.PART 01: PURCHASE MCQ(S)2.PART 02: PLANT … Instead, it emerged again during wet seasons and blossomed anew. (a) Ergot alkaloids – these are produced by Claviceps purpurea and cause an alpha adrenergic blockade, (b) Psychotropic agents – these include psilocybin, psilocin and lysergic acid diethylamide (LSD). The skin may be sore after the test because of the tissue being scraped off the top of the surface of the skin. Kingdom Fungi MCQ (Multiple Choice Questions and Answers) A) Cellulose B) Chitin C) Pectin D) Hemicellulose Answer : B A) Parasitic B) Saprophytic C) Symbiotic D) Autotrophic Answer : B A) Unbranched, aseptate and uninucleate B) Branched, septate and uninucleate C) Unbranched, aseptate and multinucleate D) Unbranched, septate and coenocytic Answer : C A) Metulae B) Sterigmata C) … Laboratory Diagnosis of Fungal Infection: The KOH test for fungus is conducted on an outpatient basis and patients do not need to prepare in advance. The majority of Cryptococcus species lives in the soil and do not cause disease in humans. Mix the specimen with a small drop of India on a clean glass slide. 5. Basidia are usually of two types: Holobasidium i.e., aseptate basidium and Phragmobasidium. Nevertheless, Aspergillus can and does cause disease in three major ways: through the production of mycotoxins; through induction of allergenic responses; and through localized or systemic infections. 24. These filamentous structures either lack cross walls (coenocytic) or have cross walls (septate) depending on the species. Both organisms benefit (algae makes food and fungus supplies moisture, shelter, and anchorage). Asexual reproduction produces genetically identical organisms and is the most common method used. D) Saprophyte but acquires a parasitic mode, Question 38 : In Mucor and Rhizopus there occurs a phenomenon known as heterothallism which means, A) Fusion of two gametes from two thalli of opposite strains, B) Fusion of two gametes from thalli of similar strains, C) Formation of a zygospore parthenogenetically. 4. 2. The synthesis of ergosterol for incorporation into the plasma membrane. There are two basic modes of development of conidia: bias- tic and thallic. 4. 2. The fungus is most prevalent in the Americas, India and southeastern Asia. Specimens should be collected in sterile containers or with sterile swabs and transported immediately to the laboratory. Sepsis is the presence of bacteria or an infection in the blood. 2. The winter of 1845-1846 was a disaster for Ireland. Even the harvested potatoes rotted. Such exposure is a normal part of the human condition and generally poses no adverse health effects. 4. Newer Post Older Post Home. Aerial hyphae often produce asexual reproduction propagates termed conidia (synonymous with spores). Characteristics 5. 2. In some cases septate hyphae develop clamp connections at the septa which connect the hyphal elements. Yeast cells reproduce by budding where a part of the cell pinches off to produce more yeast cells. Filter the Cotton Blue and distilled water solution into the phenol/glycerol/lactic acid solution. Classification of Fungi: Fungi are classified by their reproductive structures. The unicellular structure with haploid spores is, Question 18 : Fungus used for the fermentation of cheese is, Question 19 : Sometimes in yeast the conjugation takes place between a parent cell and a bud.  It is, Question 20 : Number of ascopores formed in Sacchromyces cerevisiae is, Question 21 : When a moist bread is kept exposed in air, it becomes mouldy and black because, Question 22 : In Penicillium the mycelium bears sex organs. Grocott’s Methenamine Silver (GMS) stain. Place the slide under a microscope to read. 4. Includes yeasts, molds, mushrooms, ringworm, puffballs, rusts, smuts, etc. Start studying Chapter 20: The Fungi Multiple Choice. Very few fungi exhibit dimorphism. Newer Post Older Post Home. 7. Two mating types – plus (+) and minus (-). 10. Multiple Choice Questions on Kingdom Fungi 1. (With Methods)| Industrial Microbiology, How is Cheese Made Step by Step: Principles, Production and Process, Enzyme Production and Purification: Extraction & Separation Methods | Industrial Microbiology, Fermentation of Olives: Process, Control, Problems, Abnormalities and Developments. 3. Symbiotic association of a fungus living on plant roots. The synthesis of chitin, a polymer of N-acetyl glucosamine, and other compounds, for use in forming the cell wall. Questions and Answers # 8. Content Guidelines 2. Therefore all fungi are heterotrophs, living on preformed organic matter. The disease is caused by the fungus, Question 24 : In Penicillium the asexual reproduction takes place by, Question 25 : The smuts of crop plants are caused byÂ, Question 27 : Penicillium is economically important because it, Question 28 : In mycorrhiza, the tips of fungal hyphae occur inside cortical cells inÂ, Question 29 : Amanita, a poisonous fungus is aÂ, Question 30 : The important antibiotic wonder drug extracted from Penicillium is, Question 31 : The conidia are borne on sterigmata which are in turn borne byÂ, Question 34 : Penicillium roqueforti and P. camemberti are responsible for, C) Imparting flavours to cheese and ripe fruits, Question 35 : The bread becomes soft and porous when the yeast cells are mixed in the lump of dough of wheat flour, because, A) Yeast is soft and flour also becomes soft, B) Yeast produces acetic acid and alcohol which gives softness to the bread, C) Evolution of CO2 makes the bread spongy. Structures 6. The basidia are developed from the dikaryotic cell. Stachybotrys chartarum or “black mold” can cause respiratory damage and severe headaches. Beginning as black spots, it decayed the leaves and stems, and left the potatoes a rotten, mushy mass with a peculiar and offensive odor. 6. Which organelle is known as “power house” of the cell? Shop for Best Price Warriors Don T Cry Multiple Choice Test And Fungi Multiple Choice Questions And Answers Pdf . The sporangiospores are developed inside a sac-like structure, the sporangium. Top 10. Leave overnight to eliminate insoluble dye. It is a resting spore, e.g., members of Oomycetes under Mastigomycotina. A normal, or negative, KOH test shows no fungi (no dermatophytes or yeast). For medical purposes the important aspects of fungal metabolism are: 1. Our mission is to provide an online platform to help students to share notes in Biology. Most are multicellular, but some unicellular like yeast, 10. MCQ quiz on Protists and Fungi multiple choice questions and answers on Protists and Fungi MCQ questions on Protists and Fungi objectives questions with answer test pdf for interview preparations, freshers jobs and competitive exams. Most plants have mycorrhizae on their roots. Share Your PPT File. The basidiospores are unicellular, uni­nucleate, thin walled; generally round to oval structure, developed on basi­dium. Importance of Fungi, 2. Q 33. First the farmers ate the animal feed and then the animals. They are generally 8 in an ascus, but may be 4 (Saccharomyces cerevisiae, Saccharo­mycodes ludwigii) or numerous. This quiz is designed to assess your knowledge in ‘Virus Structure’. Sexual spore produced by conjugation when (+) hyphae and (-) fuse is called zygospore. Then, on August 23, 1845, The Gardener’s Chronicle and Agricultural Gazette reported: “A fatal malady has broken out amongst the potato crop. 4. Symbiotic association between a sac fungus and a photosynthetic green algae or cyanobacteria. The male organ is called antheridium while the female one is known as, Question 23 : The rusts are serious diseases of our economic plants. In thallic type, enlargement of the conidium initial takes place only after the initial has been delimited by the septum. There are four types of sexual spores in fungi. The cell develops into a thick-walled, black and warty structure, the Zygospore, e.g., members of Zygomycetes. Zygospores can endure harsh environments until conditions improve and new sporangium. Ascocarp – specialized hyphae formed by parent fungi during sexual reproduction. 6. 9. Fungi can be divided into two basic morphological forms, yeasts and hyphae. Multiple Choice Questions (MCQs) Cell containing many nuclei are called: (a) Coenocyte (b) Hyphae (c) Mycelium (d) Sporophore The group or mass of hyphae is: (a) Coenocyte (b) Hyphae (c) Mycelium (d) Sporophore. All fungi are free living, i.e., they are not obligate intracellular parasites. The slide is gently heated to speed up the action of the KOH. The fungal culture test that is performed in this condition will usually turn up the Candida fungus as the causative organism, though the list is quite endless. For skin samples, a scalpel or edge of a glass slide is used to gently scrape skin scales from the infected area. Fungi reproduce sexually when environmental conditions are unfavorable. Includes molds and blings such as blights such as Rhizopus stolonifer (bread mold). 4. They are classified as eukaryotes. The spores are mainly divided into two groups: The spores formed during asexual reproduction are the asexual spores. Some are internal or external parasites; a few are predators that capture prey, 13. Allergies and asthma are thought to be caused by an active host immune response against the presence of fungal spores or hyphae. 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