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.

Which of the following propagates through leaf - tip ? (A) Walking fern (B) Sprout leaf plant (C) Marchantia (D) Moss

Which of the following is correct: (a) Cells of all living organisms have a nucleus. (b) Both animal and plant cells have a well defined cell wall. (c) In prokaryotes, there are no membrane bound organelles. (d) Cells are formed de novo from abiotic materials.

Why does the zygote begin to divide only after the division of Primary Endosperm Cell (PEC)?

The male gametes of rice plant have 12 chromosomes in their nucleus. The chromosome number in the female gamete, zygote and the cells of the seedling will be, respectively.

Zygote develops into the...............and the primary endosperm cell forms the.............tissue in angiosperm:-

Which one of the following statements regarding post-fertilization development in flowering plants is incorrect? (A) Ovary develops into fruit (B) Zygote develops into embryo (C) Central cell develops into endosperm (D) Ovules develop into embryo sac