The answer would be the second option - From the tips of the root
This is because cell division, in higher plants, takes place in areas known as meristems, which are are
normally located at the tips of stems or roots. Since mitosis is the process of cell division, the best place to observe it would be at the meristems. A sample of the meristem can best be gotten from the tips of the root.
Sugars and starches belong to Carbohydrates
A system in which medical doctors and other healthcare professionals (such as nurses, pharmacists, and therapists) treat symptoms and diseases using drugs, radiation, or surgery. Also called allopathic medicine, biomedicine, conventional medicine, mainstream medicine, and orthodox medicine.
1-2 to be safe and most of those pounds could be water weight.