Answer:
What tree that definitely grows does not have a shadow and does not grow fruit?
There is a word in the English language in which the first two letters signify a male, the first three letters signify a female, the first four signify a great man, and the whole word, a great woman. What is the word?
If you have it, you want to share it. If you share it, you don't have it.
What is as big as you are and yet does not weight anything?
A home of wood in a wooded place, but built not by hand. High above the earthen ground, it holds its pale blue gems. What is it?
What sphinxes employ and players enjoy.