Question

Mention the ploidy of the following : protonemal cell of a moss; primary endosperm nucleus in dicot, leaf cell of a moss; prothallus cell of a fern, gemma cell in Marchantia: meristem cell of a monocot, ovum of a liverwort and zygote of a fern.

Answer 1

Protonemal cell (haploid, x), primary endosperm nucleus of dicot (triploid, 3x), leaf cell of moss (haploid, x), prothallus cell of fern (haploid, x), gemma cell of Marchantia (haploid, x), meristem cell of monocot (diploid, 2x), ovum of a liverwort (haploid, x), Zygote of a fern (diploid 2x).