Characteristics of Lycophyta and Seedless Vascular Plants

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Questions and Answers

What type of vascular tissue is found in the stem of Whisk ferns?

  • Monostele
  • Actinostele (correct)
  • Plectostele
  • Siphonostele

What is the function of synangia in Whisk ferns?

  • To bear tri-lobed structures
  • To develop on enlarged apices of short lateral branches (correct)
  • To produce roots
  • To produce chlorophyll

What type of gametophytes are produced by spores in homosporous plants?

  • Achlorophyllous (correct)
  • Chlorophyllous
  • Bisexual
  • Nutritionally autotrophic

What is the characteristic of heterosporous plants?

<p>Production of two distinct types of spores (A)</p> Signup and view all the answers

What is the function of microspores in heterosporous plants?

<p>To develop into male gametophytes (C)</p> Signup and view all the answers

What is the characteristic of megaspores in heterosporous plants?

<p>Production of a few megaspores (B)</p> Signup and view all the answers

What is the characteristic of the leaves of Lycophyta?

<p>They are small and arranged spirally (B)</p> Signup and view all the answers

What type of stele is present in Selaginella?

<p>Amphiphloic siphonostele (D)</p> Signup and view all the answers

How do the spores of Lycophyta produce gametophytes?

<p>They germinate to produce gametophytes containing chloroplasts (C)</p> Signup and view all the answers

What is the arrangement of leaves in Horse tails?

<p>Whorled arrangement (A)</p> Signup and view all the answers

What is the characteristic of the spores of Horse tails?

<p>They develop into small female and male gametophytes (D)</p> Signup and view all the answers

What is the characteristic of the sporophyte of Whisk ferns?

<p>It consists of a stem with dichotomous branches (C)</p> Signup and view all the answers

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