Flagellated stage are absent in-a)Ulothrixb)Albugoc)Spirogyrad)Chlamyd...
Named for their beautiful spiral chloroplasts, spirogyras are filamentous algae that consist of thin unbranched chains of cylindrical cells. They can form masses that float near the surface of streams and ponds, buoyed by oxygen bubbles released during photosynthesis.
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Flagellated stage are absent in-a)Ulothrixb)Albugoc)Spirogyrad)Chlamyd...
Explanation:
Ulothrix, Albugo, and Chlamydomonas are all examples of different types of algae. In these algae, the flagellated stage is present in some but absent in others.
Spirogyra:
- Spirogyra is a type of filamentous green algae.
- It belongs to the division Chlorophyta.
- In Spirogyra, the flagellated stage is absent.
- Instead of flagella, Spirogyra has characteristic spiral chloroplasts.
- These chloroplasts are responsible for photosynthesis in the algae.
Therefore, the correct answer to the question is option C, Spirogyra, where the flagellated stage is absent.
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