Differentiate between:

A. hypocotyl and epicotyl;

B. coleoptile and coleorrhiza;

C. integument and testa;

D. perisperm and pericarp.

What is triple fusion? Where and how does it take place? Name the nuclei involved in triple fusion.

Why do you think the zygote is dormant for sometime in a fertilized ovule?

Why is apple called a false fruit? Which part(s) of the flower forms the fruit?

What is meant by emasculation? When and why does a plant breeder employ this technique?