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Question
A filament of Nostoc without its mucilage sheath is called
A filament of Nostoc without its mucilage sheath is called
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Solution
The correct option is A Trichome
Nostoc is a genus of Blue-green algae or Cyanobacteria. It is prokaryotic organism. It is photosynthetic in nature. It also has ability to fix atmospheric nitrogen. It is found in both aquatic and terrestrial habitats. It is seen in gelatinous colonies which are composed of filaments surrounded by a thin mucilage sheath. The filament without its mucilage sheath is called as Trichome. Hence, trichome is an unbranched filament of the Nostoc.Thus, the correct answer is 'Trichome.'
Nostoc is a genus of Blue-green algae or Cyanobacteria. It is prokaryotic organism. It is photosynthetic in nature. It also has ability to fix atmospheric nitrogen. It is found in both aquatic and terrestrial habitats. It is seen in gelatinous colonies which are composed of filaments surrounded by a thin mucilage sheath. The filament without its mucilage sheath is called as Trichome. Hence, trichome is an unbranched filament of the Nostoc.
Thus, the correct answer is 'Trichome.'
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