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

Read the following statements and answer the question based on them:
$(1)$ In liverworts,mosses,and ferns,the gametophyte is free-living.
$(2)$ Gymnosperms and some ferns are heterosporous.
$(3)$ Sexual reproduction in Fucus,Volvox,and Albugo is oogamous.
$(4)$ The sporophyte in liverworts is more elaborate than in mosses.
How many of the above statements are correct?

Which one of the following is monoecious?

In which of the following groups are all three organisms characterized by having flagellated male gametes?

$A$ living fossil is .......

The movement of sperms towards the archegonial necks in response to chemical substances released by the archegonia is known as: