First slide
Algae
Question

Male gametes are flagellated in

Moderate
Solution

Ectocarpus contain flagellated male gametes. Therefore, they are motile. 

Spirogyra undergoes sexual reproduction by conjugation and the male gametes are non-motile.

Polysiphonia produces spermatium which is non-motile and carried to the female gamete by water.

Anabaena is a cyanobacterium and lacks flagellated cells.

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