Life cycles of $Ectocarpus$ and $Fucus$ respectively are

Select the mismatched pair from the following.

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.

In which of the following plants is the diplontic life cycle observed?

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

Assertion : Like pteridophytes,sporophyte is a dominant phase in gymnosperms.
Reason : The gametophyte stages are independent in the pteridophytes.