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 (B)</p> Signup and view all the answers

What is the shape of a typical anther?

<p>Bilobed (C)</p> Signup and view all the answers

What develops from the microsporangia?

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

What is the characteristic of the cells of the tapetum?

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

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

<p>Haploid (A)</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 (B)</p> Signup and view all the answers

What is the function of the tapetum in the anther?

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

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