Pteridophytes

IMPORTANT

Pteridophytes: Overview

This Topic covers sub-topics such as Pteridophyta, Life Cycle of Pteridophytes, Classification of Pteridophytes, Stele, Apospory, Prothallus, Apogamy, Seed Habit in Pteridophytes, Gametophytes of Pteridophytes and, Morphology of Pteridophytes

Important Questions on Pteridophytes

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Define prothallus.

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The gametophyte of a pteridophyte is called protonema.

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Apospory is the formation of sporophyte from the gametophyte without fertilization.

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Which of the following is true about apospory?

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Fill in the blank with the correct answer from the bracket.

Apogamy is the formation of _____ without fertilization. (sporophyte, gametophyte,)

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Apogamy is the formation of gametophyte from the sporophyte without meiosis.

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Which of the following is true about apogamy?

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The gametophyte of a pteridophyte is called

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Define apospory.

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Define apogamy.

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Match the following

List - I List - II
A) Protostele
B) Siphonostele
C) Dictyostele
D) Solenostele
I) disected siphonostele with leaf gap
II) disected siphonostele with over lapping leaf gaps
III) Xylem surrounded by phloem
IV) Medullated protostele

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Lycopodium is a homosporous plant.

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The resurrection plants are Selaginella lepidophylla and S. pilifera.

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What is the broad classification of Filicales based on?

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Name the following.

A plant with vascular tissue.

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Spore transfer in Selaginella takes place at

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Pteris differs from Funaria in having

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Sometimes prothallus of a fern gives rise to a fern plant, it is an example of

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The major role in the dehiscence of a fern sporangium is played by its

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Annulus of moss capsule separates