Subject Experts Solutions for Exercise 2: NCERT

Choose the correct statement from the following:

1) Cleistogamous flowers always exhibit autogamy.

2) Chasmogamous flowers always exhibit geitonogamy.

3) Cleistogamous flowers exhibit both autogamy and geitonogamy.

4) Chasmogamous flowers never exhibit autogamy

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?1Edit in Ginger×

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