Maize, otherwise known as corn, is an annual crop. In other words, once it reaches maturity, it dies. It has to be recropped if you want to grow a second crop during the same year.
Cabbage is a biennial plant that is grown as if it was an annual (as are carrots).
annual plant
annual
annual
guava is a perennial plant
perennial
annuals
Sugar cane is a tall perennial grass.
A biennial plant flowers every two years
Yes. http://en.wikipedia.org/wiki/Biennial_plant
No, maize is a C4 plant.
Chamomile