Question

Mention the ploidy of the following:

(a) protonemal cell of a moss

(b) primary endosperm nucleus in dicot

(c) leaf cell of a moss; prothallus cell of a fern

(d) gemma cell in Marchantia

(e) meristem cell of monocot

(f) ovum of a liverwort

(g) zygote of a fern.

Answer 1

(a) Protonemal cell of a moss – Haploid
(b) Primary endosperm nucleus in a dicot – Triploid
(c) Leaf cell of a moss – Haploid
(d) Prothallus of a fern – Haploid
(e) Gemma cell in Marchantia – Haploid
(f) Meristem cell of a monocot – Diploid
(g) Ovum of a liverwort – Haploid
(h) Zygote of a fern – Diploid