An example of a grad-school level question?
Which is a major difference between the life cycles of different types of plants?

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

Question I was asked: Which provides the oldest evidence for oxygen accumulation in Earth's atmosphere?

Random question?

Which sense is used to tell if there is sugar in a glass of tea?

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Question generated: Which would provide evidence of seafloor spreading?

Problem: Write a question you would see in a school textbook.

Answer: Living things depend on energy from

Problem: Write a question you would see in a school textbook.

Answer:
The aloe plant can absorb a lot of water during a rain shower. The extra water is stored in its leaves. The ability to store water in its leaves is most likely an adaptation to which type of environment?