Bryophytes differ from pteridophytes in

Flagellated male gametes are present in all the three of which one of the following sets?

Provide the appropriate terms for the following analogies:
$(i)$ In Gymnosperms : Diplontic life cycle :: In Pteridophytes : .......
(ii) Ectocarpus : Haplodiplontic life cycle :: Fucus : ..........

Both vessels and companion cells are absent in

In bryophytes and pteridophytes,transport of male gametes requires

Which of the following plants contain centrioles in their cells?