Multiple choice

Asexual reproduction in Spirogyra mirabilis takes place by

  1. aplanospores

  2. azygospore

  3. statospores

  4. zoospores

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A Correct answer
Explanation

Asexual reproduction in Spirogyra mirabilis takes place by aplanospores. Under unfavourable conditions, the protoplast of each vegetative cell shrinks and develops a wall around it to form an aplanospore. Each non-motile aplanospore germinates to form a new filament.