First of all, they're not called organs. they are called organelles. And no, they cannot. a plant needs organelles just as much as you need your organs.
how can the roots cell of a plant survive without having chloroplast
liver
There are no plants nor animals that can survive without water.
It becomes carnivorus
Yes because they survive on plant, not human.
No, a plant could not grow without oxygen.
No.
Sun yes. Light no.
A plant can survive without water, but not for very long. Humans can survive a day or two without water, but like all life, to have a long life we need water.
Water, used as a nutrient for the plant, without water, the plant will wither and die.
They react the same as your cells or organs do when deprived of water. They suffer from dehydration. They will do their best to survive, but if water is not supplied, they will wither and die.
soft wood or hard wood cuttings