Answer:
What can be grown without sun or soil and can either provide nourishment or deliver poison?
Green on the outside but red and black inside. I am food but mostly liquid. What am I?
I come out of the earth, I am sold in the market. He who buys me cuts my tail, takes off my suit of silk, and weeps beside me when I am dead.
What has ears but can't hear?
A fruit on a tree. A tree on a fruit.
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?