NCERT Solutions for Chapter: Sexual Reproduction in Flowering Plants, Exercise 1: MULTIPLE-CHOICE QUESTIONS

From the situations given below, choose the one that prevents both autogamy and geitonogamy.

In a fertilized embryo sac, the haploid, diploid and triploid structures are

In an embryo sac, the cells that degenerate after fertilisation are

While planning for an artificial hybridisation programme involving dioecious plants, which of the following steps would not be relevant?

In the embryos of a typical dicot and a grass, true homologous structures are

The phenomenon observed in some plants wherein parts of the sexual apparatus is used for forming embryos without fertilisation is called

In a flower, if the megaspore mother cell forms megaspores without undergoing meiosis and if one of the megaspores develops into an embryo sac, its nuclei would be

The phenomenon wherein, the ovary develops into a fruit without fertilisation is called