Biology Multiple Choice Questions and Answers for Different Competitive Exams Among possible model organisms in the brown algae, Ectocarpus was selected for the relatively small size of its mature thallus and the speed with which it completes its life cycle. 3. Economic Importance of Algae The use of algae is very old and is mentioned in the Chinese poetic literature about 600 B.C. The mineral azurite is of limited economic importance, but it is an important surface indicator of underlying copper ore deposits, which could be of significant economic importance. (d) Economic importance of the family Orchidaceae. Its genome has been sequenced and a number of post-genomic tools have been implemented. It can also easily grow as epiphytes on other seaweeds. Unit IV Algae - Life history of Vaucheria, Ectocarpus, and Economic importance of Algae. Algae II: General characters, classification, economic importance, important features and life history of: Chlorophyceae: Volvox Xanthophyceae: Vaucheria Phaeophyceae: Ectocarpus Rhodophyceae: Polysiphonia (12 Hours) Unit IV Bryophytes I: General characters, classification, distribution of … (e) Anatomy of phyllode. However, its genetic and genomic information is very scarce, which hinders further research in this species. Ectocarpus siliculosus is a model to study the biology of these organisms. Unit 4: Fungi Introduction- General characteristics, economic importance, reproduction and classification upto Classes (Ainsworth, 1966); Morphology and life cycles of Rhizopus, Penicillium, Puccinia, Agaricus,andColletotrichum. Section-B (Fungi) a) Classification as given by Alexopoulos (1962). Ectocarpus genome is ~214 Mbp and has been sequenced (Cock et al., 2010). eg.Nostoc. Ectocarpus andPolysiphonia; Economic importance of algae. The type species for the genus is Ectocarpus siliculosus Lyngbye. Bladder wrack (F. vesiculosus) was one of the Economic Importance of Gymnosperms: Gymnosperms have high medicinal value. (ii) Some forms of marine brown and red algae produce large amount of hydrocolloids. 3. Important features in the life-history of: Saprolegnia, Albugo, Peziza, Eurotium, Ustilago, Puccinia, Ectocarpus and Batrachospermum. Fritsch classification of Algae (up to classes only) and Economic importance. Given its cultural and economic importance, wine grape is an obvious candidate for the first woody crop to have its genome deciphered. Liliaceae (Sen. Lato) xii. UNIT V: FUNGI (12hrs) 1. (f) Anatomical differences between C 3 and C 4 plants. (7 lectures) Unit 2: Viruses ... Chara, Vaucheria, Ectocarpus, Fucus and Polysiphonia,Procholoron through electron micrographs, temporary preparations and permanent It is used to prepare culture medium. Algae - Algae - Classification of algae: The classification of algae into taxonomic groups is based upon the same rules that are used for the classification of land plants, but the organization of groups of algae above the order level has changed substantially since 1960. Lamiaceae (Labiatae) ix. Undaria pinnatifida is an important economic brown alga in East Asian countries. Ectocarpus Reproduce Both Asexually And Sexually Asexual Reproduction Takes Place By Means Of Bi Flagellate Zoospores Produced In Two Kinds Of Sporangium Namely Unicellular Or Unilocular Sporangia Multicellular Or Pluralocular Sporangia Reproduction Fig.4: Plant body of Ectocarpus. In Heterologous Diplo­haplontic Type the sporophytic (diploid) and gametophytic (haploid) plants are morphologi­cally different. Economic importance of fungi in relation to m ycorrhizae and m ushroom s. General ... Oedogonium ,Chara , Ectocarpus and Polysiphonia. Fabaceae (Leguminosae) iv. Answer (1 of 2): This is a strange question because when anybody wants to know the economic importance of something, it is usually meant in monetary terms. 5. A brief account of … Section cutting of diseased material infected by Fungi and identification of pathogens as per theory syllabus. (3) Gelidium and Gracilaria - Agar - Agar colloid is obtained from these. Economic importance of algae Unit 3: Fungi (12 Lectures) Introduction- General characteristics, ecology and significance, range of thallus organization, cell wall composition , nutrition, reproduction and classification; Structure and life cycle of Polysiphonia. Economic importance of algae: Algae as food and fodder, use of algae in agriculture and space research, commercial products of algae: Agar Agar, Alginates, Carrageenin, diatomite, mucilage, minerals and elements - Algae in medicine and biofuels. Overview Information Laminaria is a type of seaweed. Solanaceae viii. Cyanobacteria: -General account, Economic Importance, Ultra cell structure, Reproduction. (6 h) Fungi : Albugo , Mucor ,Saccharomyces , Penicillium , Puccinia and Cercospora (6h) 5. (2) Porphyra - It is an edible algae. (4) Chondrus crispus - … c) Lichen: Structure, nutrition, reproduction and economic importance. Structure and reproduction of the Albugo, Mucor, Saccharomyces, Penicillium, Puccinia & Cercospora. Mention the botanical name, family and the part’s of the plant used as shown below: (a) Indian rubber(b) Indigo (c) Sandalwood oil (d) Vanilla Laminaria contains iodine, an element that the body needs to make thyroid hormones. Unit 4: Bryophytes – Overview(1 + 7 + 1) Unit III Algae – General characteristics, Classification (Fritsch 1954), Life history of: - Oedogonium, Chara. ... Ectocarpus siliculosus . Diagnostic characters, economic importance and distribution pattern of the following families: i. Ranunculaceae ii. Many species … Economic importance of bacteria with reference to their role in agriculture and industry (fermentation and medicine). Economic importance of Algae – At least a half of the total carbon dioxide fixation on earth is carried out by algae through photosynthesis. Fungi: General characters and classification of fungi (Ainsworth). Rosaceae v. Euphorbiaceae vii Cucurbitaceae vii. following: Nostoc, Oedogonium, Vaucheria, Ectocarpus, Polysiphonia. The phycologists are continuously working to get hold of their economic importance and have unearthed many beneficial as well as harmful economic aspects of algae. These are algin (brown algae) and carrageenan (red algae) which have many commercial uses. A high-density genetic map is a basic tool for fundamental and applied research such as discovery of functional genes and mapping of quantitative trait loci (QTL). (b) Heteromorphic or Heterologous Diplo­haplontic Type. response. Taxol- extracted from Taxus brevifolia, is an anti-cancer drug. General account - Thallus organization and reproduction in Algae. Structure, reproduction and life history of Oedogonium, Ectocarpus and Polysiphonia. Fucus species, along with other kelp, are an important source of alginates—colloidal extracts with many industrial uses similar to those of agar. Ectocarpus is a genus of filamentous brown alga that is a model organism for the genomics of multicellularity. cycle of Vaucheria, Ectocarpus and Sargassum. Oedogonium, Chara, Ectocarpus, and Polysiphonia. Apiaceae (Umbelliferae) x. Asteraceae (Compositae) xi. Economic importance of Algae - useful aspects (food, industrial products, medicine, sewage treatment, energy source), harmful aspects. ECTOCARPUS(Algae):Habitat,Structure,Reproduction. Economic importance of viruses with reference tovaccine production, role in research, medicine and diagnostics, Economic importance of bacteria with reference to their role in agriculture and ... Morphology and life-cycles of Ectocarpus, Fucus and Polysiphonia. Economic Importance of Algae (i) Algae are responsible for carrying out about a half of the total carbon dioxide fixation on earth by the process of photosynthesis. 2. Fucus, genus of brown algae, common on rocky seacoasts and in salt marshes of northern temperate regions. 26. Brassicaceae (Cruciferae) iii. Economic Importance Several algae serve as a source of food or are used for the production of compounds that have economic value. Unit III: Important Features and life history of Rhodophyceae. Bio Study. Of special interest to biologists and breeders are polymorphisms in and around the coding regions. b) Habit and habitat, structure, reproduction, mode of nutrition and economic importance of Fungi. UNIT –IV Algae (12hrs) 1. Lichens: Morphology and structure of the two components; biological, ecological and economic importance.Vegetative multiplication methods with special reference to Parmelia and Usnea. It is used as food in many Asian countries. (g) Medicinal importance of Catharanthus roseus (= Vinca rosea). Special points and Economic importance- (1) Harveyella - It is a colourless parasitic alga. Example: Clapdohora, Ulva, Draparnaldiopsis of Chlorophyceae, and Ectocarpus of Phaeophyceae follow this life cycle. Economic importance of algae in Agriculture and Industry. It remains as parasite on other alga. Ephedrine- extracted from Ephedra and used to cure cough and cold and other respiratory problems. Economic importance of Bacteria. PRACTICAL – 30 (End Semester Evaluation) 1. Economic importance of fungi in relation to mycorrhizae and mushrooms. Ectocarpus is a cosmopolitan marine brown seaweed found mostly as free-floating filaments in intertidal to sublittoral zones of temperate regions. 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