Fungal Biology: Synchytrium Quiz
36 Questions
1 Views

Choose a study mode

Play Quiz
Study Flashcards
Spaced Repetition
Chat to lesson

Podcast

Play an AI-generated podcast conversation about this lesson

Questions and Answers

What type of reproduction does the lower form of Synchytrium utilize?

  • Eucarpic
  • Asexual only
  • Holocarpic (correct)
  • Fragmentation only
  • Which of the following environments can true fungi be found in?

  • Soil, rocks, water, and dead organic matter (correct)
  • Only in living plants
  • Exclusively in water
  • Only in air and animals
  • What is a common characteristic of the hyphae in Mastigomycotina?

  • They typically possess multiple cross walls.
  • They are always septated.
  • They do not form filaments at all.
  • They are often unseptated and coenocytic. (correct)
  • What distinguishes eucarpic forms of Synchytrium from holocarpic forms?

    <p>Eucarpic forms have differentiated reproductive and vegetative structures.</p> Signup and view all the answers

    What role do some species of Mastigomycotina play concerning other organisms?

    <p>They can act as parasites on various organisms.</p> Signup and view all the answers

    What is the primary function of zoospores in the life cycle of Synchytrium?

    <p>To infect the host cell</p> Signup and view all the answers

    In the stages shown in the diagram, which stage indicates the development of the sorus?

    <p>Stage E</p> Signup and view all the answers

    Which condition is crucial for the infection process of Synchytrium zoospores in potato tubers?

    <p>Presence of water</p> Signup and view all the answers

    What occurs immediately after the infection of host cells by zoospores in the Synchytrium life cycle?

    <p>Development of a sorus</p> Signup and view all the answers

    Which term describes a structure that contains developing zoospores in Synchytrium?

    <p>Sporangium</p> Signup and view all the answers

    What is the initial method by which Synchytrium endobioticum infects potato tubers?

    <p>Via uniflagellate zoospores swimming in water</p> Signup and view all the answers

    Which feature is characteristic of the plant body structure of Synchytrium endobioticum?

    <p>It is unicellular and endophytic</p> Signup and view all the answers

    What occurs to the protoplast after the summer spore of Synchytrium endobioticum dies?

    <p>It migrates into a vesicle within the host cell</p> Signup and view all the answers

    During the asexual stage, what is formed through repeated mitotic division of the protoplast nucleus?

    <p>A multinucleate prosorus with approximately 52 nuclei</p> Signup and view all the answers

    What happens to the outer wall of the summer spore once it ruptures?

    <p>The protoplast migrates and undergoes division</p> Signup and view all the answers

    How does asexual reproduction primarily occur in lower forms of Synchytrium?

    <p>By spores produced in sporangia on sporangiophores</p> Signup and view all the answers

    What are aplanospores in the context of Synchytrium?

    <p>Non-motile spores that develop from zoospores</p> Signup and view all the answers

    What characteristic is true for members of the Synchytriaceae family?

    <p>The cell wall is absent during early development stages</p> Signup and view all the answers

    What type of aquatic environment do most Chytridiales members occupy?

    <p>Primarily in aquatic environments or wet soil</p> Signup and view all the answers

    What best describes the thallus in the simplest forms of Chytridiomycetes?

    <p>It consists of a holocarpic cell lacking a wall</p> Signup and view all the answers

    During reproduction, how does the cell behave in Synchytraceae?

    <p>It divides within the host cell to form reproductive organs</p> Signup and view all the answers

    What is absent in the cell walls of some classes of Mastigomycotina?

    <p>Chitin</p> Signup and view all the answers

    In which class is Synchytrium endobioticum categorized?

    <p>Chytridiomycetes</p> Signup and view all the answers

    What is the role of the host in a symbiotic relationship?

    <p>To establish a living environment for the symbiont</p> Signup and view all the answers

    Which component primarily represents the flow of materials in a symbiotic association?

    <p>Nutrient flow</p> Signup and view all the answers

    What is typically involved in the life history cycle of a symbiotic association?

    <p>Interaction between multiple symbiotic partners</p> Signup and view all the answers

    In symbiotic relationships, which of the following best describes metabolites?

    <p>Substances exchanged that benefit the host</p> Signup and view all the answers

    Which aspect is key to understanding the cycle of symbiotic associations?

    <p>The exchange and flow of materials between partners</p> Signup and view all the answers

    What is the initial stage of the life cycle of Synchytrium?

    <p>Resting spore</p> Signup and view all the answers

    What are zoospores primarily characterized as?

    <p>Motile haploid cells</p> Signup and view all the answers

    Which environment triggers Synchytrium to undergo sexual reproduction?

    <p>Unfavorable conditions</p> Signup and view all the answers

    What is the main function of sporangia in the lifecycle of Synchytrium?

    <p>Release zoospores</p> Signup and view all the answers

    What is the significance of planogametes in the sexual reproduction of Synchytrium?

    <p>They fuse to form a zygote</p> Signup and view all the answers

    Which of the following is NOT a control measure for the disease caused by Synchytrium in potatoes?

    <p>Use of chemical fertilizers</p> Signup and view all the answers

    Which plant species is known to be a host for Synchytrium?

    <p>Solanum tuberosum</p> Signup and view all the answers

    What type of nucleus is observed after the fusion of gametes in Synchytrium?

    <p>Diploid nucleus</p> Signup and view all the answers

    More Like This

    Cardiac Syncytium and Arrhythmias Quiz
    8 questions
    Use Quizgecko on...
    Browser
    Browser