Easy Plant Questions - - Parts of a flowering plant

1. I want to know what are "most" of d parts on flowering plant out of these:
-N
-haploid
-sporophyte
-gametophyte

I was thinking gametophyte but not sure

2. wat r 3 ideas that go together to make theory of how water rises to top of large/tall trees?

3. difference b/w pollination and fertilization in plants?

1. haploid is N, Gametophyte is N, and Sporophyte is 2N.
2. Capillary Action, Root Pressure and Evaporation.
3. Pollination is the process of transfer of pollen to the stigma which enables fertilization. Fertilization is the process of fusion of the gamates.