Biology Chapter on Fungi and Algae
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Questions and Answers

Which of the following is NOT a characteristic of mycoplasma?

  • Can reproduce independently
  • Lacks a cell wall
  • Contains chlorophyll (correct)
  • Smallest free-living organisms
  • Fungi play an important role in the economic sector by decomposing organic matter.

    True

    What are algal pigments responsible for?

    Photosynthesis

    The common economic role of fungi includes _____ and _____ production.

    <p>antibiotic, food</p> Signup and view all the answers

    Match the type of viral disease with its related symptoms:

    <p>Yellow vein mosaic virus = Stunted growth and yellowing of leaves Citrus canker = Canker lesions on fruit and twigs Tobacco mosaic virus = Mottled yellowing and wrinkling of leaves Potato virus Y = Yellowing and curling of leaves</p> Signup and view all the answers

    Isogamy and oogamy are both forms of sexual reproduction in algae.

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

    Explain the significance of the eye spot in algal cells.

    <p>It helps the algae detect light.</p> Signup and view all the answers

    What is a distinguishing feature of fungal classification?

    <p>Mode of reproduction</p> Signup and view all the answers

    Economic importance of fungi includes their use in ______ and __________.

    <p>fermentation, bioremediation</p> Signup and view all the answers

    Describe a symptom of virus infection in plants.

    <p>Mottled leaves or stunted growth.</p> Signup and view all the answers

    Fungi play a significant role in nutrient cycling and decomposition.

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

    Name one major viral disease affecting plants.

    <p>Tobacco mosaic virus</p> Signup and view all the answers

    The economic importance of fungi includes ________ in food production.

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

    Match the following fungal classifications with their descriptions:

    <p>Zygomycetes = Form zygospores Ascomycetes = Produce ascospores Basidiomycetes = Form basidiospores Chytridiomycetes = Primarily aquatic fungi</p> Signup and view all the answers

    What is the perfect stage of Aspergillus called?

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

    Localized infections spread throughout the body.

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

    Identify the main symptom of early blight disease in potatoes.

    <p>Dark, concentric lesions on leaves</p> Signup and view all the answers

    ______ bacteria are important in the nitrogen cycle as they convert ammonia into nitrates.

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

    Which of the following algal pigments is primarily responsible for the green color in algae?

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

    Which of the following pigments is commonly found in algae?

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

    Mycoplasma have a cell wall.

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

    What is a major economic role of fungi?

    <p>Fungi are used in food production, such as in the fermentation of bread and beer.</p> Signup and view all the answers

    ____ is the classification system commonly used for Fungi.

    <p>Kingdom Fungi</p> Signup and view all the answers

    Match the following fungal classifications with their examples:

    <p>Ascomycetes = Saccharomyces cerevisiae Basidiomycetes = Agaricus bisporus Zygomycetes = Rhizopus stolonifer Chytridiomycetes = Batrachochytrium dendrobatidis</p> Signup and view all the answers

    What disease is caused by the Yellow Vein Mosaic Virus?

    <p>Mosaic disease in plants</p> Signup and view all the answers

    All edible mushrooms belong to the same genus.

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

    How can smut of wheat be controlled?

    <p>Smut of wheat can be controlled through crop rotation and the use of resistant varieties.</p> Signup and view all the answers

    TMV stands for ____.

    <p>Tobacco Mosaic Virus</p> Signup and view all the answers

    Which fungus is commonly used for the production of beer and bread?

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

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    Description

    This quiz tests your knowledge on the characteristics and economic importance of fungi and algae. It covers topics such as mycoplasma, viral diseases, reproduction types in algae, and their roles in decomposing organic matter. Prepare to match classifications and describe key features of these organisms.

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