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Question
In gametophytic phase of mosses, the first stage is called ________ whereas the second stage is called ________.
In gametophytic phase of mosses, the first stage is called ________ whereas the second stage is called ________.
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Solution
The correct option is A protonema stage, leafy stage
Gametophytic phase of mosses consists of two stages - protonema stage and leafy stage.
The first stage is the protonema stage, which develops directly from a spore. It is a creeping, green, branched and frequently filamentous stage.
The second stage is the leafy stage, which develops from the secondary protonema as a lateral bud. They consist of upright, slender axes bearing spirally arranged leaves. They are attached to the soil through multicellular and branched rhizoids.
Gametophytic phase of mosses consists of two stages - protonema stage and leafy stage.
The first stage is the protonema stage, which develops directly from a spore. It is a creeping, green, branched and frequently filamentous stage.
The second stage is the leafy stage, which develops from the secondary protonema as a lateral bud. They consist of upright, slender axes bearing spirally arranged leaves. They are attached to the soil through multicellular and branched rhizoids.
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