Starting with the zygote, draw the diagrams of the different stages of embryo development in a dicot.

The generative cell of two-celled pollen divides in the pollen tube but not in three-celled pollen. Give reasons.

In the figure given below label the following parts: male gametes, egg cell, polar nuclei, synergid and pollen tube

What are the possible types of pollinations in chasmogamous flowers? Give reasons.

With a neat, labelled diagram, describe the parts of a mature angiosperm embryo sac. Mention the role of synergids.