Flagellated cells are absent in .........

Examine the figures $A, B, C$ and $D$. In which one of the four options are all the items $A, B, C$ and $D$ correctly identified?

Assertion $(A)$: $Fucus$ shows a diplontic life cycle.
Reason $(R)$: In $Spirogyra$,the diploid zygote is the dominant and active stage.

Which of the following does not have any orders but only $8$ series and many families?

Match the following columns:

Column-$I$	Column-$II$
$(a)$ Gymnosperms	$(p)$ Trimerous flowers
$(b)$ Monocots	$(q)$ Absence of flowers
$(c)$ Dicots	$(r)$ Primitive type of flowers
$(d)$ Pteridophytes	$(s)$ Tetramerous or pentamerous flowers

When and where does reduction division (meiosis) take place in the life cycle of a liverwort,a moss,a fern,a gymnosperm,and an angiosperm?