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.

Which of the given sets are matched correctly?
$a.$ $Chondrus$ - Algin
$b.$ $Gracilaria$ - Agar
$c.$ $Cycas$ - Coralloid root
$d.$ $Pinus$ - Canada balsam
$e.$ $Adiantum$ - Walking fern
$f.$ $Lycopodium$ - Cord moss
$g.$ $Cedrus$ - Independent gametophyte
$h.$ $Sequoia$ - Tallest gymnosperm

What is the direct formation of a gametophyte from a sporophyte called?

Read the following statements and answer the question which follows them:
$(1)$ In liverworts,mosses,and ferns,gametophytes are 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 that in mosses.
$(5)$ Both $Pinus$ and $Marchantia$ are dioecious.
How many of the above statements are correct?

Consider the following four statements and determine which are correct or incorrect.
$A.$ The sporophyte in liverworts is more elaborate than that in mosses.
$B.$ Salvinia is heterosporous.
$C.$ The life-cycle in all seed-bearing plants is diplontic.
$D.$ In Pinus,male and female cones are borne on different trees.
Which two statements are incorrect?

Common characteristic between bryophytes and pteridophytes is