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Bio108 exam 3 Flashcards | Quizlet b. Complete answer: Ascomycetes are spore shooters or sac fungi.These fungi produce microscopic spores inside special, elongated cells or sacs known as "asci". They exhibit characteristics of both protozoans (one-celled microorganisms) and fungi. a. 250+ TOP MCQs on Biological Classification - Fungi and Answers C) gas and water exchange is across the thin body wall. D. Provide belongs to ascomycetes or sometimes. The oropharynx is continuous superiorly with thenasopharynx.c. A dikaryon is a fungal cell which has precisely two genetically-distinct but allelically-compatible nuclei, as shown here and here. 3. Q6. 1. By practicing these MCQs of Biological Classification ( Biology ) MCQs - Latest Competitive MCQs , an individual for exams performs better than before.This post comprising of objective questions and answers related to " Biological Classification ( Biology ) Mcqs ". Consider the following statements and state true(T) or ... Which of the following is NOT true of mycorrhizae? In both organisms cell structure is typically prokaryotic like one envelope organisation with peptidoglycan wall, naked DNA, 70S ribosomes and absence of membrane bound structures like endoplasmic reticulum, mitochondria, Golgi bodies, plastids, lysosomes, and vacuoles. e) All statements are true. Penicillium are saprophytic fungi. C. Yeast is an unicellular fungus. e. glycolysis both requires the input of ATP and produces ATP b) Plants and green algae have chloroplasts. (a) A and D only (b) $\mathrm{C}$ and $\mathrm{D}$ only (c) A, C and D only (d) A and B only The nucleus is dense, clear, with chromatin threads. View solution > Haploid spores of sac fungi occur in _____. Meiosis is where a diploid cell gives rise to haploid cells, and fertilization is where two haploid cells (gametes) fuse to form a diploid zygote. Later, the parental nuclei fuse and . d. In effect, the dikaryon is neither diploid nor haploid. Hint: There are four classes of kingdom fungi- ascomycetes, phycomycetes, basidiomycetes, and zygomycetes.There is a special feature called dikaryon is seen in only kingdom fungi. As the spitzenkörper moves, the tip of the hypha is extended via the . They are used in motility. SOLVED:Biological Classification | Objective Biology for ... (b) Only statement 2 is correct. Which of these is a characteristic of sexual reproduction ... d) Meiosis occurs in the monokaryotic hyphae of the dikaryon. 3. Karyogamy results directly in the formation of mycelia. The dikaryon has swimming gametes with flagella The dikaryon is the only true diploid structure The dikaryon is effectively neither diploid or haploid Fungi with a dikaryon stage lack a 2n stage A mushroom is most equivalent to which plant structure Stem Leaf . c. The two nuclei are of the same mating type. 3. The cytoplasm of two cells fuses before their nuclei fuse. The fusion of two haploid cells immediately results in diploid cells (2n), but in some fungi such as ascomycetes and basidiomycetes, an intervening dikaryotic stage (n + n i.e. Which statement about the dikaryon stage is NOT true? Which of these contains two haploid nuclei ... - Transtutors Biological Classification MCQ Question with Answer | PDF ... . NEET Biology Chapter Wise Mock Test - Biological ... Figure 24.14 Which of the following statements is true?. c. OneClass: Compare and contrast the structure and ... b. a. cuticle was one of the last features to appear b. first land plants appeared less than 300MYA c. land plants have thin spore walls d. all plants develop from embryos Yeast belong to Ascomycetes and are sometimes multi-cellular by formation of slender thread like structures called hyphae. Click hereto get an answer to your question ️ Consider the following statements and state true(T) or false(F). D) zygosporangia-the environmentally resistant dikaryotic stage of the Zygomycota . a) Vascular tissue provides support to the plant so it can grow tall. c) Fungi with a dikaryon stage lack a true zygote stage. The most primitive monerans are (a) Rickettsiae (b) Actinomycetes (c) Progenote (d) Archaebacteria 3. physical support structures and mechanisms for gamete dispersal. a. glycolysis occurs in the cell membrane of bacteria. All monerans (a) contain DNA and RNA (b) demonstrate a long circular strand of DNA, notfound enclosed in a nuclear membrane 0 (c) are bacteria (d) All of the above 2. They are commonly known as blue-green mould. The two haploid nuclei are genetically different. A dikaryotic ascus that forms in the ascocarp undergoes karyogamy, meiosis, and mitosis to form eight ascospores.b. The given statements describe a group of organisms. D) Mycorrhizal fungi provide plants with organic nutrients absorbed from the soil. B. Basidiomycota (/ b ə ˌ s ɪ d i. oʊ m aɪ ˈ k oʊ t ə /) is one of two large divisions that, together with the Ascomycota, constitute the subkingdom Dikarya (often referred to as the "higher fungi") within the kingdom Fungi.Members are known as Basidiomycetes. Dikaryon formation is characteristic of : Which of the following statements about the dikaryon stage of the life cycle is true? 46 views 3 pages. Dikaryon formation is characteristic of. B) Plant roots provide mutualistic mycorrhizae with organic nutrients. E) segmentation. Which statement about a dikaryon is true? a. Get FREE solutions to all questions from chapter STRUCTURAL ORGANISATION IN PLANTS (MOPRHOLOGY OF FLOWERING PLANTS & ANATOMY OF FLOWERING PLANTS). As wise people believe "Perfect Practice make a Man Perfect". The structure shown below is the interconnection of _____ a) Hyphae b) Dendrites c) Rootlets d . (i) Instead of a cell wall they have a protein rich pellicle making their body flexible. Fungi: Recyclers, Pathogens, Parasites, and Plant Partners , Life: The Science of Biology 9th - David E. Sadava, David M. Hilliss, H. Craig Heller,May Berenbaum | All the textbook answers and step-by-step explanations In this sense, a heterokaryon is a general term, whereas a dikaryon is a specific term. Four pheromone receptor-like genes were . Which of the following statements is true? What happens between these two events, however, can differ a lot between different organisms—say, between you and a . c. ribulose 5-phosphate is an intermediate of glycolysis. Dikaryon is formed when the two haploid cells do not fuse immediately. A dikaryotic ascus that forms in the ascocarp undergoes karyogamy, meiosis, and mitosis to form eight ascospores. 7)A triploblastic animal in which the fluid?filled body cavity is only partially lined (lined on one side) with mesodermal tissue is referred to as: A . e. There are two genetically different haploid nuclei in each cell of the mycelium. Statement 1: Linnaeus classified plants into trees, shrubs, and herbs, on the basis of morphological characters. The result of the plasmogamy step is four basidiospores. Which of the following statements about life cycles with a dikaryon stage is false? a) True b) False Answer: b Clarification: All fungi are multi-cellular except yeast. B) cephalization involving concentration of nerve ganglia. a. It is a stage of a cell with 2 nuclei. a fungus would be The best definition of a. Eukaryotic heterotrophic plants. This mock test of NEET - 2 (Mock 2) - GDC for NEET helps you for every NEET entrance exam. b) the dikaryon is the only true diploid structure. Hyphae growth occurs by extending the cell walls and internal components from the tips. A dikaryon and a trikaryon (although not often seen in literature) are both heterokaryons. In some fungi the fusion of two haploid cells immediately results in diploid cells (2n). Select one: a. Biology 102 Final Study Guide. (1) As a group, they exhibit maximum metabolic diversity (2) Chemosynthetic autotrophic bacteria play a great role in recycling nutrients like nitrogen, phosphorous, iron and sulphur. True/False write true or false to the left of each answer (1 point each) 1. More specifically, Basidiomycota includes these groups: mushrooms, puffballs, stinkhorns, bracket fungi, other polypores, jelly . A) This group's name means "fungus roots". A) true mesodermal tissue. R4Rin Top Tutorials are Core Java,Hibernate ,Spring,Sturts.The content on R4R.in website is done by expert team not only with the help of books but along with the strong professional knowledge in all context like coding,designing, marketing,etc! In order to thrive on land, plants had to develop. All monerans (a) contain DNA and RNA (b) demonstrate a long circular strand of DNA, notfound enclosed in a nuclear membrane 0 (c) are bacteria (d) All of the above 2. A dikaryon is where two different nuclei are found in the same cell. a) True b) False Answer: b Clarification: All fungi are multi-cellular except yeast. 1. 14. D) free living and parasitic form. The cytoplasm of two cells fuses before their nuclei fuse. However, in other fungi (ascomycetes and basidiomycetes), an intervening dikaryotic stage (n + n, i.e., two nuclei per cell) occurs; such a condition is called a dikaryon and the phase is called dikaryophase of fungus. d. Two nuclei fused in the course of its formation. The result of the plasmogamy step is four basidiospores. The mycelium consists of highly branched, multinucleated and septate hyphae. The Powdery mildews got their common name because of the appearance of their conidial chains on plant leaf surfaces. c. The hypha is haploid. d. The dikaryon is effectively neither diploid nor haploid. Pick the incorrect statements: i. Dikaryon is observed in Ascomycetes and Phycomycetes. There are two genetically identical nuclei in a single hypha. Which of these is a characteristic of sexual reproduction? More than one ascus can develop from a single ascogenous hypha. Fungi possess a cell wall which is made up of chitin and polysaccharides. (ii) They have 2 flagella, a short and a long one. The lifecycle of a basidiomycete alternates generation with a prolonged stage in which two nuclei (dikaryon) are present in the hyphae. Select the TRUE statement about . View solution > This famous scientist worked with a mould called Neurospora crassa and came to the conclusion that the characteristics function of the gene was to supervise the formation of a particular enzyme. Which of the following statement about viruses is correct ? View solution > Haploid spores of sac fungi occur in _____. a. prophase b. metaphase c. telophase d. anaphase e. interphase We will write a custom essay sample on Chapter 12 Quiz microbiology or any similar topic only for […] (27) They are used to transfer DNA during conjugation. D. They prefer to grow in warm and humid places. Watch complete video answer for "Which of the following is not included in stomatal " of Biology Class 12th. Which of the following is NOT true of mycorrhizae? A. Autotrophic component. Dikaryon is the nuclear feature having the unique of some of the fungi. c. The two nuclei are of the same mating type. They digest their food outside of the body b. Calculate the maximum ratio that can be achieved by the plasma membrane Na +-glucose symporter of an epithelial cell when [Na +]in is 12 mM, [Na +]out is 145 mM, the membrane potential is −50 mV (inside negative), and the temperature is 37 °C. Whaich statement about a dikaryon is true a. Hypha is haploid b. Sexual life cycles involve an alternation between meiosis and fertilization. component which. 106. The extended dikaryon of the Basidiomycota . A basidium is the fruiting body of a mushroom-producing fungus, and it forms four basidiocarps. The two haploid nuclei are genetically different. c) The chloroplasts of plants and green algae all have both chlorophyll a and b. back 12. c. front 13. A) It takes place in all cells of the body. The dikaryon is the only true diploid structure. a. zygote The fusion of two gametes produces a… a. zygote b. chromatid c. schizont d. centromere e. merozoite e. interphase Replication of the DNA occurs during? They show less diversity in morphology and habitat. In this sense, a heterokaryon is a general term, whereas a dikaryon is a specific term. e. a. Medium. Target Test Contact Number: 9667591930 / 8527521718. A basidium is the fruiting body of a mushroom-producing fungus, and it forms four basidiocarps. This work adds substantial new evidence into the organization of the B mating-type loci of distantly related S. commune strains showing a high level of synteny in gene order and neighboring genes. a. zygote The fusion of two gametes produces a… a. zygote b. chromatid c. schizont d. centromere e. merozoite c. interphase Replication of the DNA occurs during? Medium. View solution > This famous scientist worked with a mould called Neurospora crassa and came to the conclusion that the characteristics function of the gene was to supervise the formation of a particular enzyme. They recycle inorganic nutrients to photo synthesizers c. Each of the filaments on the body is a mycelium d. Fungi cells lack chloroplasts. Two nuclei fused in the course of formation c. Two genetically different haploid nuclei in each cell of mycelium d. Have two nuclei fused into zygote e. Two genetcically identical nuclei in single hypha (C) Mycelium of Ascomycetes is branched and septate. b. d) Vascular tissue moves nutrients from the soil into the plant. Which statement about the dikaryon stage is not true? Solutions for Chapter 24 Problem 1VCQ: Figure 24.14 Which of the following statements is true?a. NEET Biology Chapter Wise Mock Test - Biological Classification 1. Statement 1: Linnaeus classified plants into trees, shrubs, and herbs, on the basis of morphological characters. c. The two nuclei are of the same mating type. Figure 2. c. A zygosporangium results from the fusion of two coenocytic hyphae. dikaryon-the stage in fungal sexual reproduction in which hyphae contain pairs of haploid nuclei of opposing mating types. They are heterotrophic. Blakeslee discovered the phenomenon of heterothallism in Rhizopus. B) It forms exact copies of the parent cell. Which statement about a dikaryon is true? b. (iv) They are connecting link between plants and animals. In the Ascomycota, the dikaryon stage is very short-lived and found only in the fruiting body. […] The only true diploid structure is the zygote. They belong to Ascomycota. b. Yeast is the only unicellular fungi. A diploid ascus that forms in the ascocarp undergoes karyogamy, meiosis, and mitosis to form eight ascospores.c. The structure shown below is the interconnection of _____ a) Hyphae b) Dendrites c) Rootlets d . (c) Both statement 1 and statement 2 are correct. Statement 2: Aristotle divided animals into 2 groups - Anaima and Enaima. Explanation Cyanobacterial cells (blue-green algal cells) are larger and more elaborate than bacteria. Which statement about dikaryosis is not true? Class note uploaded on Nov 30, 2021. A basidium is the fruiting body of a mushroom-producing fungus, and it forms four basidiocarps. Medium. Dikaryon formation is characteristic of. c) Vascular tissue moves sugars made during photosynthesis through the plant. Medium. Latest Biology MCQs. (ridiculous) statement that Coccidioides immitis is similar to a bacterium but it has a different life cycle. What is the function of fimbriae? This network is called a. The five true phyla of fungi are the Chytridiomycota (Chytrids), the Zygomycota (conjugated fungi), the Ascomycota (sac fungi), the Basidiomycota (club fungi) and the recently described Phylum Glomeromycota. It extends from the nasal and oral cavitiessuperiorly to the esophagus anteriorly.b. iii. 11. 3. The dikaryon has swimming gametes with flagella. The result of the plasmogamy step is four basidiospores. Biology Exam 3: 27, 28, 30, 31, 34, and 38. Select the correct statement about plant life cycles. Chains of conidia are present terminally, which gives it a brush like appearance. Download this BSC 1011 class note to get exam ready in less time! Page: Print a) The dikaryon has swimming gametes with flagella. Who was he? Compatible cell-types fuses the cytoplasms (plasmogamy). two nuclei per cell) occurs; such a condition is called a dikaryon and the phase is called dikaryophase of fungus. The. A basidium is the fruiting body of a mushroom-producing fungus, and it forms four basidiocarps. b. b. form bulk of the thallus. b. a. e. Fungi with a dikaryon stage . (B) The common asexual spores in Basidiomycetes are conidia and zoospores. In the Basidiomycota, the dikaryon stage may be very long-lived and is originally formed away from the fruiting body. a. the cytoplasm of two cells fuses before their nuclei fuse b. the two haploid nuclei are genetically different c. the two nuclei are of the same mating type d. the dikyaron stage ends when the two nuclei fuse e. not all fungi have a dikaryon stage. The body of fungus is made up of a network of filaments. Statement 2: Aristotle divided animals into 2 groups - Anaima and Enaima. Which of the following is NOT true of fungi? This contains 180 Multiple Choice Questions for NEET NEET - 2 (Mock 2) - GDC (mcq) to study with solutions a complete question bank. Pages 11 ; Ratings 100% (1) 1 out of 1 people found this document helpful; This preview shows page 4 - 11 out of 11 pages.preview shows page 4 - 11 out of 11 pages. The solved questions answers in this NEET - 2 (Mock 2) - GDC quiz give you a good mix of easy questions and tough questions. A dikaryon is formed when (a) Meiosis is arrested (b) The two haploid cells do not fuse immediately (c) Cytoplasm does not fuse (d) None of the above Ans: (b) In some fungi the fusion of two haploid cells immediately results in diploid cells (2n). Which of these statements about the pharynx is true?a. BIO 200 Lecture Notes - Lecture 6: Dikaryon, Heterotroph, Microsporidia. Which statement below concerning dikaryons is not true: a. Which of the following statements concerning glycolysis is TRUE? Asexual spores are produced exogenously and sexual spores . Which statement about adaptations to plant life on land is true? The two haploid nuclei are genetically different. a. cuticle was one of the last features to appear b. first land plants appeared less than 300MYA c. land plants have thin spore walls d. all plants develop from embryos Choose the correct option w.r.t. The two nuclei have fused into a zygote. (A) In Phycomycetes members, coenocytic mycelium is found. a. prophase b. metaphase c. interphase d. anaphase e. telophase We will write a custom essay sample on Chapter 12 Quiz or any similar topic only for you […] Which statement about dikaryosis is not true? In which of the following groups of fungi are asci are contained within a specialized fruiting structure (ascoma)? a) Meiosis in plant life cycles is a sexual process, producing gametes. (c) Both statement 1 and statement 2 are correct. Identify the incorrect statement regarding true bacteria? (3) Heterotrophic bacteria are the most abundant in nature. Yeast is the only unicellular fungi. The B mating-type locus of the tetrapolar basidiomycete Schizophyllum commune encodes pheromones and pheromone receptors in multiple allelic specificities. d. glycolysis produces ATP by oxidative phosphorylation. Parasitic eukaryotic plants e. Autotrophic heterotrophs 20. (iii) They show mixotrophic nutrition. NEET Biology Chapter Wise Mock Test - Biological Classification 1. A) This groupâ s name means â fungus rootsâ . The cytoplasm of two cells fuses before their nuclei fuse. A dikaryon and a trikaryon (although not often seen in literature) are both heterokaryons. The lifecycle of a basidiomycete alternates generation with a prolonged stage in which two nuclei (dikaryon) are present in the hyphae. Who was he? They are components of the outer cell wall in gram-negative bacteria. write True or False to the LEFT of each answer . From what you have learned in Mycology, list three reasons why C. immitis is not similar to any bacterium. . Prepare food for fungi. ii. e) the dikaryon is effectively . Why is vascular tissue important for plant growth? a. a) Plants and green algae are photosynthetic. Body of lichen consists of two dissimilar organisms. […] c. Meiosis occurs in the monokaryotic hyphae of the dikaryon. Green alga Derbesia are long considered as the efficient manner with the heterokaryotic hypothesis challenged with the later studies. A dikaryon is a fungal cell which has precisely two genetically-distinct but allelically-compatible nuclei, as shown here and here. Yeast belong to Ascomycetes and are sometimes multi-cellular by formation of slender thread like structures called hyphae. Select the correct statement from the following for kingdom fungi A. Karyogamy results directly in the formation of mycelia. During tip growth, a specialized organelle called the spitzenkörper, assists in the formation of new cell wall and membrane structures by harboring vesicles derived from the golgi apparatus and releasing them along the apex of the hypha. School . b. c. Eukaryotic autotrophs d. Eukaryotic, multicellular heterotrophs 19. Fungi imperfecti reproduce by Asexual reproduction only. They are used to attach the cell to its substrate or to other prokaryotes. c. Form sexual reproductive structure. 37. . The nasopharynx is involved in digestion.d. A basidiocarp is the fruiting body of a mushroom-producing fungus. phylum of funguslike organisms within the kingdom Protista, commonly known as true slime molds. d. The dikaryon stage ends when the two. d. The dikaryon stage ends when the two. Which of the following statements about the dikaryon stage of the life cycle is true? Which of the following statements is true? Match the following terms with their correct definition. However, in other fungi (ascomycetes and basidiomycetes), an intervening dikaryotic stage (n . Answer. 28 Nov 2017. Which of the following statements is true? e. Not all fungi have a dikaryon stage. Which of the following statements about the dikaryon stage of the life cycle is true? C) Mycorrhizal fungi may form a mutualistic symbiosis with plants. The Deuteromycota is an informal group of unrelated fungi that all share a common character - they use strictly asexual reproduction. The most primitive monerans are (a) Rickettsiae (b) Actinomycetes (c) Progenote (d) Archaebacteria 3. The cell wall comprises protoplast which is differentiated into other cell parts such as cell membrane, cytoplasm, cell organelles and nuclei. b) Vascular tissue moves water through the plant. MCQs on Penicillium. A basidiocarp is the fruiting body of a mushroom-producing fungus. 7 Page(s). (b) Only statement 2 is correct. B. 2. . (Includes molds, parasites such as the Dutch elm disease fungus, and epicurean delights such as morels and . These hyphae together form a mesh-like structure called mycelium. Basidiocarp is the edible part of Puccinia visible above the ground iv. Which of the following statements is true? The laryngopharynx is composed partially ofcartilage. Plants moved from an aqueous environment and colonized the land sometime during the Paleozoic era. b. glycolysis is an alternative to fermentation. A diploid ascus that forms in the ascocarp undergoes karyogamy, meiosis, and mitosis to form eight ascospores. There are no gamete cells, only gamete nuclei. 2. a. The result of the plasmogamy step is four basidiospores. Which statement about adaptations to plant life on land is true? (a) Only statement 1 is correct. (a) Only statement 1 is correct. harlequingoose990. d. The dikaryon stage ends when the two nuclei fuse. NRt, xea, bmOK, kwuGPzf, noty, ocwX, NgtLJha, DxVev, aQUx, XxcDuWc, FlTYBq,
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