Sexual Reproduc...

Choose the correct statement from the following:

A particular species of plant produces light, non-sticky pollen in large numbers and its stigmas are long and feathery. These modifications facilitate pollination by:

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

In a fertilised 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 hybridization 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: