Botany: Structure of a Stamen
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Questions and Answers

What is the terminal structure of a stamen called?

  • Filament
  • Petal
  • Anther (correct)
  • Thalamus

    • Where is the proximal end of the filament attached?

  • The microsporangium
  • The thalamus or the petal (correct)
  • The anther
  • The pollen sac

    • What is the shape of a typical microsporangium in a transverse section?

  • Longitudinal
  • Tetragonal
  • Bilobed
  • Near circular (correct)

    • How many microsporangia are located in each lobe of an anther?

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

    What is the shape of a typical anther?

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

    What develops from the microsporangia?

    <p>Pollen sacs</p> Signup and view all the answers

    What is the primary function of the outer three wall layers of an anther?

    <p>Protecting the anther and aiding in dehiscence</p> Signup and view all the answers

    What is the characteristic of the cells of the tapetum?

    <p>Having dense cytoplasm and multiple nuclei</p> Signup and view all the answers

    What is the ploidy of the cells of the microspore tetrad?

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

    What is the process by which the cells of the sporogenous tissue undergo division to form microspore tetrads?

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

    What is the function of the tapetum in the anther?

    <p>Nourishing the developing pollen grains</p> Signup and view all the answers

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