A basidiocarp is the fruiting body of a mushroom-producing fungus. (a) A and D only (b) $\mathrm{C}$ and $\mathrm{D}$ only (c) A, C and D only (d) A and B only Latest Biology MCQs. 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 […] b. c. Eukaryotic autotrophs d. Eukaryotic, multicellular heterotrophs 19. The Deuteromycota is an informal group of unrelated fungi that all share a common character - they use strictly asexual reproduction. The result of the plasmogamy step is four basidiospores. Which of the following statements about the dikaryon stage of the life cycle is true? e. Not all fungi have a dikaryon stage. In which of the following groups of fungi are asci are contained within a specialized fruiting structure (ascoma)? 3. 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 . 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. Sexual life cycles (article) | Meiosis - Khan Academy b) Plants and green algae have chloroplasts. Four pheromone receptor-like genes were . The two haploid nuclei are genetically different. Which statement about the dikaryon stage is NOT true? e) All statements are true. Select the correct statement from the following for kingdom fungi A. Watch complete video answer for "Which of the following is not included in stomatal " of Biology Class 12th. The nasopharynx is involved in digestion.d. A dikaryon and a trikaryon (although not often seen in literature) are both heterokaryons. 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 […] 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. c. A zygosporangium results from the fusion of two coenocytic hyphae. phylum of funguslike organisms within the kingdom Protista, commonly known as true slime molds. SOLVED:Fungi: Recyclers, Pathogens, Parasites, and Plant ... This contains 180 Multiple Choice Questions for NEET NEET - 2 (Mock 2) - GDC (mcq) to study with solutions a complete question bank. Medium. 11. a fungus would be The best definition of a ... - TranstutorsExam #3 - University of Arizona There are two genetically identical nuclei in a single hypha. A) true mesodermal tissue. b. c) The chloroplasts of plants and green algae all have both chlorophyll a and b. back 12. c. front 13. Plants moved from an aqueous environment and colonized the land sometime during the Paleozoic era. 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 Which of these is a characteristic of sexual reproduction? Target Test Contact Number: 9667591930 / 8527521718. (3) Heterotrophic bacteria are the most abundant in nature. (B) The common asexual spores in Basidiomycetes are conidia and zoospores. What happens between these two events, however, can differ a lot between different organisms—say, between you and a . (A) In Phycomycetes members, coenocytic mycelium is found. A) This group's name means "fungus roots". (i) Instead of a cell wall they have a protein rich pellicle making their body flexible. c. Meiosis occurs in the monokaryotic hyphae of the dikaryon. Which statement about a dikaryon is true? Which of the following statements about life cycles with a dikaryon stage is false? Which statement about dikaryosis is not true? c. The two nuclei are of the same mating type. 46 views 3 pages. (a) Only statement 1 is correct. A diploid ascus that forms in the ascocarp undergoes karyogamy, meiosis, and mitosis to form eight ascospores.c. They recycle inorganic nutrients to photo synthesizers c. Each of the filaments on the body is a mycelium d. Fungi cells lack chloroplasts. a fungus would be The best definition of a. Eukaryotic heterotrophic plants. Answer. The cytoplasm of two cells fuses before their nuclei fuse. A dikaryotic ascus that forms in the ascocarp undergoes karyogamy, meiosis, and mitosis to form eight ascospores. The result of the plasmogamy step is four basidiospores. Statement 1: Linnaeus classified plants into trees, shrubs, and herbs, on the basis of morphological characters. 2. Which statement about adaptations to plant life on land is true? (ii) They have 2 flagella, a short and a long one. 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. In some fungi the fusion of two haploid cells immediately results in diploid cells (2n). School . Which statement below concerning dikaryons is not true: a. e. Statement 2: Aristotle divided animals into 2 groups - Anaima and Enaima. The dikaryon is the only true diploid structure. View solution > Haploid spores of sac fungi occur in _____. A) This groupâ s name means â fungus rootsâ . Medium. Get FREE solutions to all questions from chapter STRUCTURAL ORGANISATION IN PLANTS (MOPRHOLOGY OF FLOWERING PLANTS & ANATOMY OF FLOWERING PLANTS). Statement 1: Linnaeus classified plants into trees, shrubs, and herbs, on the basis of morphological characters. Complete answer: Ascomycetes are spore shooters or sac fungi.These fungi produce microscopic spores inside special, elongated cells or sacs known as "asci". Identify the incorrect statement regarding true bacteria? 37. . However, in other fungi (ascomycetes and basidiomycetes), an intervening dikaryotic stage (n . Yeast belong to Ascomycetes and are sometimes multi-cellular by formation of slender thread like structures called hyphae. As wise people believe "Perfect Practice make a Man Perfect". a) The dikaryon has swimming gametes with flagella. Parasitic eukaryotic plants e. Autotrophic heterotrophs 20. 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 ". a. A basidium is the fruiting body of a mushroom-producing fungus, and it forms four basidiocarps. Later, the parental nuclei fuse and . The cell wall comprises protoplast which is differentiated into other cell parts such as cell membrane, cytoplasm, cell organelles and nuclei. a. glycolysis occurs in the cell membrane of bacteria. c) Vascular tissue moves sugars made during photosynthesis through the plant. ii. A dikaryotic ascus that forms in the ascocarp undergoes karyogamy, meiosis, and mitosis to form eight ascospores.b. 28 Nov 2017. Which statement about a dikaryon is true? The two nuclei have fused into a zygote. Download this BSC 1011 class note to get exam ready in less time! The result of the plasmogamy step is four basidiospores. The laryngopharynx is composed partially ofcartilage. 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. (b) Only statement 2 is correct. (b) Only statement 2 is correct. Compatible cell-types fuses the cytoplasms (plasmogamy). BIO 200 Lecture Notes - Lecture 6: Dikaryon, Heterotroph, Microsporidia. The nucleus is dense, clear, with chromatin threads. A basidium is the fruiting body of a mushroom-producing fungus, and it forms four basidiocarps. Which of the following is NOT true of fungi? A basidiocarp is the fruiting body of a mushroom-producing fungus. Sexual life cycles involve an alternation between meiosis and fertilization. The body of fungus is made up of a network of filaments. 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 are used to attach the cell to its substrate or to other prokaryotes. They are components of the outer cell wall in gram-negative bacteria. Q6. 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? Chains of conidia are present terminally, which gives it a brush like appearance. 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? d. glycolysis produces ATP by oxidative phosphorylation. A diploid ascus that forms in the ascocarp undergoes karyogamy, meiosis, and mitosis to form eight ascospores. component which. dikaryon-the stage in fungal sexual reproduction in which hyphae contain pairs of haploid nuclei of opposing mating types. 2. The most primitive monerans are (a) Rickettsiae (b) Actinomycetes (c) Progenote (d) Archaebacteria 3. D. Provide belongs to ascomycetes or sometimes. 1. d) Meiosis occurs in the monokaryotic hyphae of the dikaryon. 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. Basidiocarp is the edible part of Puccinia visible above the ground iv. (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. Who was he? b. Which statement about dikaryosis is not true? (c) Both statement 1 and statement 2 are correct. Which statement about adaptations to plant life on land is true? B. Which of the following statements concerning glycolysis is TRUE? Which of the following statements about the dikaryon stage of the life cycle is true? More than one ascus can develop from a single ascogenous hypha. Biology 102 Final Study Guide. Biology Exam 3: 27, 28, 30, 31, 34, and 38. In the Ascomycota, the dikaryon stage is very short-lived and found only in the fruiting body. Who was he? 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). d. In effect, the dikaryon is neither diploid nor haploid. 3. Which of the following is NOT true of mycorrhizae? Which of the following statements about the dikaryon stage of the life cycle is true? They exhibit characteristics of both protozoans (one-celled microorganisms) and fungi. It extends from the nasal and oral cavitiessuperiorly to the esophagus anteriorly.b. Choose the correct option w.r.t. D) zygosporangia-the environmentally resistant dikaryotic stage of the Zygomycota . a) True b) False Answer: b Clarification: All fungi are multi-cellular except yeast. They are commonly known as blue-green mould. The dikaryon has swimming gametes with flagella. Which of the following statement about viruses is correct ? two nuclei per cell) occurs; such a condition is called a dikaryon and the phase is called dikaryophase of fungus. Why is vascular tissue important for plant growth? Karyogamy results directly in the formation of mycelia. There are no gamete cells, only gamete nuclei. write True or False to the LEFT of each answer . Yeast is the only unicellular fungi. There are two genetically different haploid nuclei in each cell of the mycelium. b. glycolysis is an alternative to fermentation. Select the TRUE statement about . B. c. 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. The dikaryon is effectively neither diploid nor haploid. . The given statements describe a group of organisms. (ridiculous) statement that Coccidioides immitis is similar to a bacterium but it has a different life cycle. Which of the following is NOT true of mycorrhizae? Medium. They are heterotrophic. In this sense, a heterokaryon is a general term, whereas a dikaryon is a specific term. Dikaryon formation is characteristic of. In this sense, a heterokaryon is a general term, whereas a dikaryon is a specific term. They are used in motility. Explanation Cyanobacterial cells (blue-green algal cells) are larger and more elaborate than bacteria. MCQs on Penicillium. In order to thrive on land, plants had to develop. Dikaryon formation is characteristic of. 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. It is a stage of a cell with 2 nuclei. Yeast is the only unicellular fungi. Penicillium are saprophytic fungi. A. Autotrophic component. a. Blakeslee discovered the phenomenon of heterothallism in Rhizopus. Select one: a. Body of lichen consists of two dissimilar organisms. A) It takes place in all cells of the body. D) Mycorrhizal fungi provide plants with organic nutrients absorbed from the soil. Solutions for Chapter 24 Problem 1VCQ: Figure 24.14 Which of the following statements is true?a. Class note uploaded on Nov 30, 2021. d. The dikaryon stage ends when the two. b. Dikaryon formation is characteristic of : View solution > Haploid spores of sac fungi occur in _____. (a) Only statement 1 is correct. iii. Match the following terms with their correct definition. Hyphae growth occurs by extending the cell walls and internal components from the tips. True/False write true or false to the left of each answer (1 point each) 1. 3. Which statement about the dikaryon stage is not true? The Powdery mildews got their common name because of the appearance of their conidial chains on plant leaf surfaces. A dikaryon is a fungal cell which has precisely two genetically-distinct but allelically-compatible nuclei, as shown here and here. (Includes molds, parasites such as the Dutch elm disease fungus, and epicurean delights such as morels and . d) Vascular tissue moves nutrients from the soil into the plant. What is the function of fimbriae? Which of the following statements is true? The structure shown below is the interconnection of _____ a) Hyphae b) Dendrites c) Rootlets d . NEET Biology Chapter Wise Mock Test - Biological Classification 1. B) It forms exact copies of the parent cell. 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 […] They show less diversity in morphology and habitat. […] b. C) gas and water exchange is across the thin body wall. Page: Print 3. A dikaryon is where two different nuclei are found in the same cell. physical support structures and mechanisms for gamete dispersal. 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! Which of the following statements is true? A basidium is the fruiting body of a mushroom-producing fungus, and it forms four basidiocarps. b. Pick the incorrect statements: i. Dikaryon is observed in Ascomycetes and Phycomycetes. c. Form sexual reproductive structure. E) segmentation. The two haploid nuclei are genetically different. D. They prefer to grow in warm and humid places. This network is called a. 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. The lifecycle of a basidiomycete alternates generation with a prolonged stage in which two nuclei (dikaryon) are present in the hyphae. Figure 2. Select the correct statement about plant life cycles. 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 . As the spitzenkörper moves, the tip of the hypha is extended via the . 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 . b. These hyphae together form a mesh-like structure called mycelium. C) Mycorrhizal fungi may form a mutualistic symbiosis with plants. 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). Which of the following statements is true? a) Meiosis in plant life cycles is a sexual process, producing gametes. b. 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. The extended dikaryon of the Basidiomycota . c. ribulose 5-phosphate is an intermediate of glycolysis. b) the dikaryon is the only true diploid structure. The mycelium consists of highly branched, multinucleated and septate hyphae. a) Plants and green algae are photosynthetic. Fungi imperfecti reproduce by Asexual reproduction only. . 1. NEET Biology Chapter Wise Mock Test - Biological Classification 1. d. Two nuclei fused in the course of its formation. a) Vascular tissue provides support to the plant so it can grow tall. a. Asexual spores are produced exogenously and sexual spores . In the Basidiomycota, the dikaryon stage may be very long-lived and is originally formed away from the fruiting body. More specifically, Basidiomycota includes these groups: mushrooms, puffballs, stinkhorns, bracket fungi, other polypores, jelly . A dikaryon is a fungal cell which has precisely two genetically-distinct but allelically-compatible nuclei, as shown here and here. B) cephalization involving concentration of nerve ganglia. C. Yeast is an unicellular fungus. The two haploid nuclei are genetically different. a) True b) False Answer: b Clarification: All fungi are multi-cellular except yeast. Prepare food for fungi. d. The dikaryon stage ends when the two nuclei fuse. The solved questions answers in this NEET - 2 (Mock 2) - GDC quiz give you a good mix of easy questions and tough questions. They digest their food outside of the body b. a. Statement 2: Aristotle divided animals into 2 groups - Anaima and Enaima. c. The two nuclei are of the same mating type. This mock test of NEET - 2 (Mock 2) - GDC for NEET helps you for every NEET entrance exam. c. The hypha is haploid. c. The two nuclei are of the same mating type. The cytoplasm of two cells fuses before their nuclei fuse. Whaich statement about a dikaryon is true a. Hypha is haploid b. Karyogamy results directly in the formation of mycelia. The result of the plasmogamy step is four basidiospores. 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 is formed when the two haploid cells do not fuse immediately. (iv) They are connecting link between plants and animals. The most primitive monerans are (a) Rickettsiae (b) Actinomycetes (c) Progenote (d) Archaebacteria 3. e. glycolysis both requires the input of ATP and produces ATP (C) Mycelium of Ascomycetes is branched and septate. harlequingoose990. b) Vascular tissue moves water through the plant. a. 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 e. Fungi with a dikaryon stage . Figure 24.14 Which of the following statements is true?. Which of these statements about the pharynx is true?a. They belong to Ascomycota. The cytoplasm of two cells fuses before their nuclei fuse. The. 106. From what you have learned in Mycology, list three reasons why C. immitis is not similar to any bacterium. c) Fungi with a dikaryon stage lack a true zygote stage. The lifecycle of a basidiomycete alternates generation with a prolonged stage in which two nuclei (dikaryon) are present in the hyphae. 14. 7 Page(s). e) the dikaryon is effectively . Fungi possess a cell wall which is made up of chitin and polysaccharides. The oropharynx is continuous superiorly with thenasopharynx.c. 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. 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. A dikaryon and a trikaryon (although not often seen in literature) are both heterokaryons. (iii) They show mixotrophic nutrition. The B mating-type locus of the tetrapolar basidiomycete Schizophyllum commune encodes pheromones and pheromone receptors in multiple allelic specificities. 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. b. Medium. The only true diploid structure is the zygote. a. B) Plant roots provide mutualistic mycorrhizae with organic nutrients. Green alga Derbesia are long considered as the efficient manner with the heterokaryotic hypothesis challenged with the later studies. Dikaryon is the nuclear feature having the unique of some of the fungi. (c) Both statement 1 and statement 2 are correct. (27) They are used to transfer DNA during conjugation. d. The dikaryon stage ends when the two. The structure shown below is the interconnection of _____ a) Hyphae b) Dendrites c) Rootlets d . e. a. Which of the following statements is true? D) free living and parasitic form. 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. form bulk of the thallus. 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. A basidium is the fruiting body of a mushroom-producing fungus, and it forms four basidiocarps. 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