Given scientific fact as input, generate the question from this fact such that it can be answered from the input.
--------
Question: It takes about one year for earth to orbit the sun.

Answer: Which of these takes about one year to complete?


Question: The name for a matter that has a fixed volume and a fixed shape is solid.

Answer: What is the name for a matter that has a fixed volume and a fixed shape?


Question: Gametogenesis do the gonadotropins regulate.

Answer:
What do the gonadotropins regulate?