Fungi
109 Questions
0 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 is the primary way fungi obtain their nutrients?

  • By absorbing nutrients from their external environment (correct)
  • By consuming other organisms
  • By producing their own food through photosynthesis
  • By breaking down inorganic molecules

    • What is the main component of the fungal cell wall?

  • Peptidoglycan
  • Cellulose
  • Lignin
  • Chitin (correct)

    • What is the term for fungi that obtain their nutrients from dead organic matter?

  • Saprophytes (correct)
  • Decomposers
  • Detritivores
  • Parasites

    • What is the characteristic of fungal growth temperature?

    <p>It grows between 2-20°C</p> Signup and view all the answers

    What is the term for the ability of some fungi to grow in different forms depending on environmental conditions?

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

    What is the primary characteristic of unicellular fungi (yeasts)?

    <p>They usually form multicellular colonies</p> Signup and view all the answers

    What is the characteristic of fungal movement?

    <p>They are never motile</p> Signup and view all the answers

    What is the characteristic of the body structures of multicellular fungi?

    <p>They have multicellular filaments</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 fungi causes skin and ear infections, bronchitis, and pneumonia?

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

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

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

    Which of the following fungi is known to infect cereals such as rye?

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

    What is the primary effect of ergotamine on humans?

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

    Which of the following fungi is known to produce toxic compounds that can cause hallucinations and temporary insanity?

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

    What is the characteristic structure of Basidiomycetes?

    <p>A club-like structure</p> Signup and view all the answers

    What is the function of the basidia in Basidiomycetes?

    <p>To produce sexual spores</p> Signup and view all the answers

    What is the primary effect of Amanita phalloides on humans?

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

    What type of fungi does Aspergillus flavus belong to?

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

    What is the role of fungi in nutrient recycling?

    <p>To break down complex molecules into smaller organic compounds</p> Signup and view all the answers

    What is the type of relationship between fungi and plants in mycorrhizae?

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

    What is the characteristic of lichens?

    <p>A symbiotic association between a fungus and a photosynthetic microorganism</p> Signup and view all the answers

    What is the function of enzymes produced by fungi as decomposers?

    <p>To break down complex molecules into smaller organic compounds</p> Signup and view all the answers

    What is the term for the fruiting body of Basidiomycetes?

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

    What is the ecological role of fungi as decomposers?

    <p>To maintain ecological balance</p> Signup and view all the answers

    What is the term used to describe molds and yeasts?

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

    What is the function of zygosporangia in Zygomycetes?

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

    What is the name of the common mold that is a food decomposer?

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

    What is the term used to describe the Opisthokonts clade?

    <p>A group of animals and their protist relatives</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 function of aerial hyphae in Zygomycetes?

    <p>To provide structural support to the mycelium</p> Signup and view all the answers

    What is the term used to describe the spores produced by Chytrids?

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

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

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

    What is the main function of the fungus Saccharomyces cerevisiae in the production of bread?

    <p>Producing CO2 for fermentation</p> Signup and view all the answers

    What is the antibiotic produced by Penicillium griseofulvum?

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

    Which fungal phylum is characterized by the formation of arbuscular mycorrhizae with plants?

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

    What is the disease caused by the fungus Amanita phalloides?

    <p>Mushroom food poisoning</p> Signup and view all the answers

    Which fungal group does the fungus Aspergillus flavus belong to?

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

    What is the purpose of the fungus Penicillium chrysogenum in the production of antibiotic?

    <p>Producing penicillin</p> Signup and view all the answers

    Which fungal phylum do mushrooms belong to?

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

    What is the disease caused by the fungus Histoplasma capsulatum?

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

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

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

    What is the term for the spores produced by fungi that are similar to conidia?

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

    How many species of fungi are estimated to belong to the phylum Ascomycetes?

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

    What is the characteristic structure of Zygomycetes that allows them to survive under unfavourable conditions?

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

    Which type of fungi is commonly known as a food decomposer?

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

    What is the term for the type of fungi that includes black bread mold?

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

    What is the name of the fungus that undergoes budding?

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

    What is the primary function of the haustoria in arbuscular mycorrhizal fungi?

    <p>To penetrate the cell walls of root cells</p> Signup and view all the answers

    What is the type of mycorrhizal relationship formed by Glomeromycetes?

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

    What is the characteristic feature of Ascomycetes reproduction?

    <p>Production of both conidia and ascospores</p> Signup and view all the answers

    What is the function of the ascocarps in Ascomycetes?

    <p>To contain the spore-producing structures</p> Signup and view all the answers

    What is the characteristic of the relationship between Glomeromycetes and plant roots?

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

    What is the type of structure produced by Ascomycetes for asexual reproduction?

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

    What is the function of the fungal hypha in arbuscular mycorrhizal relationships?

    <p>To penetrate the cell walls of root cells</p> Signup and view all the answers

    What is the primary characteristic of Glomeromycetes?

    <p>Formation of arbuscular mycorrhizae</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

    What type of fungus is Mucor?

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

    What is the toxin produced by Aspergillus flavus that can cause liver cancer?

    <p>Aflatoxin B1</p> Signup and view all the answers

    Which fungus is known to infect cereals such as rye and produce ergotamine?

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

    What is the effect of Aflatoxin B1 on the liver?

    <p>It causes liver cancer</p> Signup and view all the answers

    Which fungus is known to produce toxic compounds that can cause hallucinations and temporary insanity?

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

    What is the characteristic of pathogenic fungi that infect plants?

    <p>They produce mycotoxins</p> Signup and view all the answers

    What is the primary function of enzymes produced by fungi as decomposers?

    <p>To break down complex molecules into smaller organic compounds</p> Signup and view all the answers

    Which fungus is known to cause bronchitis and pneumonia?

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

    What is the characteristic of lichens?

    <p>A symbiotic association between a fungus and a bacterium</p> Signup and view all the answers

    What is the role of fungi in nutrient recycling?

    <p>To maintain ecological balance by recycling nutrients</p> Signup and view all the answers

    What is the characteristic of Basidiomycetes?

    <p>They have a club-like structure called a basidium</p> Signup and view all the answers

    What is the primary role of basidia in Basidiomycetes?

    <p>To produce sexual spores (basidiospores)</p> Signup and view all the answers

    What is the type of relationship between fungi and plants in mycorrhizae?

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

    What is the primary function of fungi as decomposers?

    <p>To break down complex molecules into smaller organic compounds</p> Signup and view all the answers

    What is the characteristic of fungal growth?

    <p>They can grow in a wide range of environments</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 main characteristic of opportunistic mycoses?

    <p>Caused by fungi that are part of our normal flora</p> Signup and view all the answers

    What is the term for fungal infections of hair, nails, and skin?

    <p>Superficial mycoses</p> Signup and view all the answers

    What is the cause of ringworm and athlete's foot?

    <p>Trichophyton and Epidermophyton</p> Signup and view all the answers

    What is the term for fungal infections that spread through the bloodstream?

    <p>Systemic mycoses</p> Signup and view all the answers

    What is the effect of phalloidin on F-actin?

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

    What is the characteristic of chromomycosis?

    <p>Caused by fungi Hormodendrum pedrosoi and Phialophora verrucosa</p> Signup and view all the answers

    What is the cause of candidiasis?

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

    What is the function of septa in fungal hyphae?

    <p>To divide the hypha into cells, allowing for cell-to-cell movement of organelles</p> Signup and view all the answers

    What is the term for the fusion of cytoplasm from two parent mycelia during sexual reproduction?

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

    What is the term for the mycelium that contains haploid nuclei from each parent, which do not fuse right away?

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

    How do fungi reproduce asexually?

    <p>By producing haploid spores through mitosis</p> Signup and view all the answers

    What is the term for the spore-producing structures in multicellular fungi?

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

    What is the process by which spores grow back into vegetative cells under favorable conditions?

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

    What is the main function of arbuscular mycorrhizal fungi in their mutualistic relationship with plants?

    <p>To deliver phosphate ions and minerals to plants</p> Signup and view all the answers

    What is the characteristic of the spore-producing structures in Ascomycetes?

    <p>They produce both conidia and ascospores</p> Signup and view all the answers

    What is the name of the phylum that includes fungi that form arbuscular mycorrhizae?

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

    What is the function of the specialized hyphae called haustoria in arbuscular mycorrhizal fungi?

    <p>To penetrate plant cell walls</p> Signup and view all the answers

    What is the name of the fruiting body of Ascomycetes that contains the spore-producing structures?

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

    What is the term for the mutually beneficial relationship between fungi and plant roots?

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

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

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

    What is the characteristic of fungal hyphae?

    <p>They are long, branching filaments</p> Signup and view all the answers

    Which of the following is a characteristic of Chytrids?

    <p>They produce flagellated spores</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 term for the type of fungi that includes molds and yeasts?

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

    What is the function of zygosporangia in Zygomycetes?

    <p>To produce spores by sexual reproduction</p> Signup and view all the answers

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

    <p>Cancer due to p53 mutations</p> Signup and view all the answers

    What is the common feature of pathogenic Zygomycetes?

    <p>Causing skin and ear infections, bronchitis, and pneumonia</p> Signup and view all the answers

    What is the role of Claviceps purpurea?

    <p>Producing ergotamine and lysergic acid</p> Signup and view all the answers

    What is the characteristic of Amanita phalloides?

    <p>Containing lethal toxins</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

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

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

    Which fungus is used to produce an antibiotic that inhibits the growth of Staphylococcus?

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

    What is the characteristic of the fungus Saccharomyces cerevisiae in relation to food production?

    <p>It produces enzymes used for alcohol fermentation and is also used as baking yeast</p> Signup and view all the answers

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

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

    What is the disease caused by the fungus Histoplasma capsulatum?

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

    Which fungus is used to produce insulin-like growth factor (IGF) through genetic engineering?

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

    What is the characteristic of the fungus Penicillium griseofulvum?

    <p>It produces griseofulvin</p> Signup and view all the answers

    More Like This

    Biology: Fungi Characteristics
    40 questions

    Biology: Fungi Characteristics

    JovialCyclops avatar
    JovialCyclops
    Microbiology Quiz: Fungi and Protozoa
    5 questions

    Microbiology Quiz: Fungi and Protozoa

    AmazedElectricOrgan avatar
    AmazedElectricOrgan
    Biology Lecture 12: Fungi General Features
    32 questions

    Biology Lecture 12: Fungi General Features

    CoolestKazoo avatar
    CoolestKazoo
    Use Quizgecko on...
    Browser
    Open
    Browser
    Browser