Which of the following is/are grouped under phanerogams?

Find the odd one out from the following:

Into how many groups are seedless plants divided?

In bryophytes and pteridophytes,transport of male gametes requires

Assertion $(A)$: In $Volvox$,the zygote undergoes meiosis to form four haploid cells before germination.
Reason $(R)$: $Volvox$ exhibits a haplontic life cycle.

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