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Question

Define pteridophytes. Compare between bryophytes and Pteridophytes.


Solution

Any simple vascular plant that produces spores, but not seeds, and has the diploid stage of its life cycle as the dominant form is called a pteridophyte.

Ferns, Lycopodium, and Club mosses are all pteridophytes.

Bryophyta:

(i) Plant body is gametophytic.

(ii) Real stem and leaves are always absent.

(iii) Fixation of plant body is carried out by rhizoids.

(iv) Bryophytes are non-vascular in nature.

Pleridophyta.

(i) Plant body is sporophytic.

(ii) Real stem and leaves are present.

(iii) Fixation of plant body is carried out by roots.

(iv) Pteridophytes are vascular plants.


Biology
Science for Ninth Class - Part III - Biology
Standard IX

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