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Dehiscence of sporangia of fern occurs through
Dehiscence of sporangia of fern occurs through
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The correct option is A Annulus
The sporangia are thin-walled and dehiscence is caused by a region of cells with thick inner walls and thin outer walls, usually in a ring, called as the annulus. The dehiscence occurs in a specialized region called as the stomium.
The sporangia are thin-walled and dehiscence is caused by a region of cells with thick inner walls and thin outer walls, usually in a ring, called as the annulus. The dehiscence occurs in a specialized region called as the stomium.
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