What do gymnosperms and angiosperms produce respectively for sexual reproduction?

In the five-kingdom classification,land plants are classified under:

Select the correct option by matching the given groups $(i)$ red algae,$(ii)$ green algae,$(iii)$ bryophytes,and $(iv)$ Pteridophytes with their respective characteristics $(P, Q, R, S)$:
$(P)$ Their gametophyte is called prothallus.
$(Q)$ Rhizoids are present,but they are not true roots.
$(R)$ Pyrenoids contain protein besides starch.
$(S)$ Red pigment,$r$-phycoerythrin,is present in their body.
Match the groups $(i, ii, iii, iv)$ with the characteristics $(P, Q, R, S)$ and select the correct sequence.

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

Select the mismatch among the following:-

In which of the following groups do the male and female gametophytes have independent,free-living existence?