Question

Explain briefly protonema with suitable example.

Answer 1

Hi dr. ....

Protonema – It is the first stage in the life cycle of a moss, developing directly from the spore. It consists of creeping, green, branched, and often filamentous structures.

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@HARSHA

Answer 2

• Protonema is the cell produced in the life cycle of Mosses.

• Protonema is filamentous like structures form from the moss spores.

• Protonema developed into leafy gametophore it will convert to the gametophyte.

• Some examples of protonema are

Sphagnum, Funaria, Ferns, Andreaea, etc.

• Protonema germinates directly from the spores.

• It helps in the formation of an abundance of moss plants.