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Question

What is an operculum in the life cycle of mosses?


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Solution

Mosses:

  1. Mosses are bryophytes non-flowering green plants which produce spores.
  2. Mosses have stems and leaves, but don't have true roots.
  3. Example: Funaria, Polytrichum.

Operculum in the life cycle of mosses:

  1. Mosses have a capsule for the storage of spores or sporangia.
  2. The capsule has a lid like structure which is known as operculum.
  3. The operculum pops off when the spores are matured.

Functions of operculum in the life cycle of mosses:

  1. Operculum controls the release of spores over a long period of time.
  2. Operculum helps in transporting water, minerals and nutrients.

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