Isogamous condition with non-flagellated gametes is found in:

6 2013 NEET Plant KingdomAlgae Easy
Isogamous condition with non-flagellated gametes is found in:
A Fucus
B Chlamydomonas
C Spirogyra
D Volvox

Detailed Solution

In Spirogyra the fusing gametes are similar in size and non-flagellated (non-motile isogametes).
Chlamydomonas gametes are flagellated; Fucus and Volvox are oogamous.

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