question_answer 4)

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 monocot, ovum of a liverwort and zygote of a fern.

Answer:

(i) Protonemal cell of moss-haploid. (ii) Primary endosperm nucleus of a dicot triploid. (iii) Leaf cell of a moss diploid. (iv) Prothallus cell of a fern haploid. (v) Gemma cell in Marchantia-haploid. (vi) Ovum of a liverwort-haploid.