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Solution


Q.

Male gametes are flagellated in               [2015]
1 Ectocarpus  
2 Spirogyra  
3 Polysiphonia  
4 Anabaena  

Ans.

(1)

Ectocarpus produces biflagellate gametes. Anabaena is a cyanobacteria and does not reproduce sexually. Spirogyra produces non-flagellated male gametes during conjugation, where the entire cell content functions as a gamete. Polysiphonia also produces non-flagellated spermatia.