Question

Give information about pteridophyta

Answer 1

A pteridophyte is a vascular plant that disperses spores. Because pteridophytes produce neither flowers nor seeds, they are also referred to as "cryptogams". The pteridophytes include the ferns, horsetails, and the lycophytes.
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Answer 2

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➧Subkingdom Cryptogamae divided into three groups:-▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃▃⤵

❶❫ Algae:-        ▬▬▬▬▬▬▬▬▬▬▬☟

①❭ Habitat is mostly aquatic.

②❭ Mode of nutrition is autotrophic.

③❭ Stored food in the form of starch.

④❭ Material of cell wall is made up of cellulose.

⑤❭ Most Algae contains chlorophyll.

⑥❭ They reproduce usually asexual but sexual reproduction by conjugation.

▶Ex:- Spirogyra, Ulva & Fucus

❷❫ Bryophyta:-     ▬▬▬▬▬▬▬▬▬▬▬☟

①❭ Plant body is not differentiated into true roots, steam & leaves.

②❭ Non-vascular plant are not developed.

③❭ Fixation by rhzoids.

④❭ Gametophyte are the main plant.

⑤❭ Sex organs are multicellular.

⑥❭ Water is required for fertilization.

▶Ex:- Funaria & Riccia

❸❫ Pteridophyta:-     ▬▬▬▬▬▬▬▬▬▬▬☟

①❭ Plant body is differentiated into true roots, steam & leaves.

②❭ Vascular plant are developed.

③❭ Fixation by roots.

④❭ Sporophyte are the main plant.

⑤❭ They are the first truly Terrestrial & vascular cryptogams.

⑥❭ Water is needed for fertilization.

▶Ex:- Azolla & Dryopteris

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