Question

The correct ploidy in leaf cell of a moss, pro-

thallus cell of a fern, gemma cell in
Marchantia and zygote of fern is respectively

1) n, n, n and 2n
2) n, n, n and n

3) 2n, n, n and n
4) n, 2n, n and 2n​

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).