A) Spirogyra
B) Ectocarpus
C) Polysiphonia
D) Fucus
Correct Answer: D
Solution :
Diplontic lire cycle in algae is characterised by garaetogenic meiosis and a diploid adult. The gametophvte is represented by the gametes, which is the only haploid cell in the life cycle, eg. Diatoms (Bacillariophyceae), some of the Siphonales. Siphonocladiales and Dasycladiales among the green algae and Fucales (Fucus and Sargassun in the brown algae.
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