In which type of plant life cycle is the diploid $(2n)$ phase limited to only the zygote?

Select the correct sequence of life cycles shown in the figure from the given options:

In a haplontic life cycle,the zygote undergoes meiosis to form which type of cells before germination?

Statement $X$: $Allium$ $cepa$ shows a diplontic life cycle.
Statement $Y$: The diploid sporophytic phase is the main,long-lived,dominant,photosynthetic,and independent phase.

What type of life cycle in plants is indicated by the given figure?

In a haplontic life cycle,what type of division does the zygote undergo?