I just took a test in school today. What question was I asked?

Question I was asked: What role does the centromere play in cellular reproduction?

I just took a test in school today. What question was I asked?

Question I was asked: In which process is nitrogen from the air put into a form that plants can use?

I just took a test in school today. What question was I asked?

Question I was asked:
As a sample of water turns to ice,