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Question

Name a freshwater algae?


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Solution

Spirogyra:

  1. It is a freshwater alga.
  2. Morphology: The algae consists of thin unbranched filaments composed of cylindrical cells containing one or more spiral green chloroplast, from which the genus is named.
  3. Reproduction: Spirogyra reproduces sexually, asexually, and vegetatively. Vegetative reproduction is mainly by fragmentation.
  4. Spirogyra has a haplontic life cycle, which means that the dominant stage is a free-living haploid (n) gametophyte, while the sporophyte is represented only by the diploid zygote (2n).


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