In which of the following sets are flagellated male gametes found?

Draw labelled diagrams of:
$(a)$ Female and male thallus of a liverwort.
$(b)$ Gametophyte and sporophyte of Funaria.
$(c)$ Alternation of generation in angiosperm.

The number of cotyledons in $Zea$, $Cycas$, and $Pinus$ respectively are:

What is common in all the three,$Funaria$,$Dryopteris$,and $Ginkgo$?

Give differences: Bryophytes and Pteridophytes.

Select the correct option for the following statements:
$(i)$ Like bryophytes and pteridophytes,in gymnosperms,the male and female gametophytes do/do not have an independent free-living existence.
$(ii)$ Non-motile isogamous gametes are found in Spirogyra/Volvox.