Fungi Reproduction and Characteristics
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Questions and Answers

What type of relationship exists between Glomeromycetes and plant roots?

  • Mutualistic (correct)
  • Parasitic
  • Predatory
  • Commensal
  • What is the function of haustoria in arbuscular mycorrhizal fungi?

  • To penetrate the cell walls of root cells (correct)
  • To absorb nutrients from the soil
  • To decompose organic matter
  • To produce spores
  • What is the term for the specialized hyphae that penetrate the cell walls of root cells in arbuscular mycorrhizal fungi?

  • Asci
  • Haustoria (correct)
  • Hyphae
  • Conidiophores
  • What is the function of Ascomycetes in their ecosystem?

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

    What is the term for the reproductive structure in Ascomycetes that contains the spore-producing structures?

    <p>Fruiting body</p> Signup and view all the answers

    What type of spores are produced by Ascomycetes through sexual reproduction?

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

    What is the term for the specialized hyphae that produce asexual spores in Ascomycetes?

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

    Which of the following is an example of an Ascomycete?

    <p>All of the above</p> Signup and view all the answers

    What percentage of known fungal species are parasites or pathogens?

    <p>30%</p> Signup and view all the answers

    Which of the following genera belongs to Pathogenic Zygomycetes?

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

    What is the primary effect of Αflatoxin B1 on the liver?

    <p>Liver cancer</p> Signup and view all the answers

    Which of the following fungi produces mycotoxins such as aflatoxins?

    <p>Aspergillus flavus</p> Signup and view all the answers

    What is the primary effect of ergotamine and lysergic acid on humans?

    <p>Psychotropic effects</p> Signup and view all the answers

    Which of the following fungi infects cereals such as rye?

    <p>Claviceps purpurea</p> Signup and view all the answers

    What is the primary effect of Amanita phalloides on humans?

    <p>Lethal toxins</p> Signup and view all the answers

    Which of the following fungi causes skin and ear infections, bronchitis, and pneumonia?

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

    What is the name of the process by which conidia form mycelia?

    <p>Asexual reproduction</p> Signup and view all the answers

    What is the common name of the species Saccharomyces cerevisiae?

    <p>Baker's yeast</p> Signup and view all the answers

    What is the name of the supergroup that includes fungi, animals, and their protist relatives?

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

    What is the function of zygosporangia in Zygomycetes?

    <p>Contain sexually produced spores</p> Signup and view all the answers

    What is the name of the phylum that includes black bread mold?

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

    What is the name of the structure that produces spores by asexual reproduction in Zygomycetes?

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

    What is the name of the type of spore produced by Chytrids?

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

    What is the approximate number of species in the phylum Ascomycota?

    <p>65,000</p> Signup and view all the answers

    What is the effect of α-amanitin on eukaryotic cells?

    <p>Inhibits eukaryotic RNA pol II</p> Signup and view all the answers

    What is the common name for Amanita muscaria?

    <p>Magic mushroom</p> Signup and view all the answers

    What type of mycosis is caused by Sporotrichum schenckii?

    <p>Subcutaneous mycosis</p> Signup and view all the answers

    What is the effect of phalloidin on eukaryotic cells?

    <p>Inhibits F-actin polymerisation</p> Signup and view all the answers

    What is the name of the fungus that causes ringworm?

    <p>Microsporum furfur</p> Signup and view all the answers

    What is the name of the disease caused by Cryptococcus neoformans?

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

    What type of mycosis is caused by fungi that are part of our normal flora?

    <p>Opportunistic mycosis</p> Signup and view all the answers

    What is the name of the yeast that causes candidiasis?

    <p>Candida albicans</p> Signup and view all the answers

    What is the primary function of the fungus Penicillium chrysogenum?

    <p>Producing penicillin as an antibacterial antibiotic</p> Signup and view all the answers

    Which fungus is responsible for producing griseofulvin, an antifungal antibiotic?

    <p>Penicillium griseofulvum</p> Signup and view all the answers

    What is the primary application of the yeast Saccharomyces cerevisiae?

    <p>Fermenting sugars to produce alcohol</p> Signup and view all the answers

    Which of the following fungi is used in genetic engineering to produce insulin-like growth factor (IGF)?

    <p>Saccharomyces cerevisiae</p> Signup and view all the answers

    What is the purpose of the agar plate in the antibiotic production process?

    <p>To visualize the zone of inhibition around fungal colonies</p> Signup and view all the answers

    Which phylum of fungi is characterized by the production of sexual spores (ascospores) internally in sacs called asci?

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

    What is the term for the disease caused by the fungus Coccidioides immitis?

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

    Which type of fungi is responsible for causing the human disease known as ringworm?

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

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