What part of the tree must last from year to year, in order for the Berachah to be "ha'Etz"? Why is the Berachah for bananas, "ha'Adamah"? If a "vegetable" was grown on a proper tree by means of genetic engineering, which Berachah should be recited?

Under what conditions do mashed fruits retain their Berachah of "ha'Etz"?

What Berachah is recited on liquids that emerge from fruits, such as date honey or orange juice? How are these different than vegetable broth, over which the Gemara states that we do recite ha'Adamah? What if one will be eating the fruit as well as the juice?

What Berachah should be recited on "Gar'inim" - the seeds of watermelon or gourd?