Question

What are the four classes of Pteridophytes?

Answer 1

Pteridophytes:

1. Pteridophytes, often known as cryptogams, are vascular plants.
2. It reproduces by dispersing spores because it does not produce flowers or seeds.
3. Ferns, horsetails, and other plants are among them.

Psilopsida:

1. These are the earliest vascular plants, with no roots and rhizoids in place of roots.
2. Leaves may or may not be present.

Lycopsidae:

1. These are vascular plants with roots, stems, and leaves that are differentiated.
2. Leaves are microphyllous, which means they don't generate a leaf gap in the stem's vascular strand.

Sphenopsida:

1. Horsetails are a kind of sphenopsida.
2. The stems are connected and ribbed with leaves, and the branches are carried in whorls in these plants.

Pteropsida:

1. Ferns are also known as pteropsida.
2. They are normally perennial and are divided into roots, stems, and spirally arranged leaves or have elevated leaves.