Q.

Life cycles of Ectocarpus and Fucus respectively are:                    [2017]

1 diplontic, haplodiplontic  
2 haplodiplontic, diplontic  
3 haplodiplontic, haplontic  
4 haplontic, diplontic  

Ans.

(2)

Ectocarpus possesses haplodiplontic whereas Fucus possesses diplontic life cycle.