An example of a grad-school level question?
Planting legumes in order to add nitrogen to soil most likely causes

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

Question I was asked: Which of these are broken down during chemical, but not physical, changes?

Random question?

Shale is a sedimentary rock that can be metamorphosed into slate by

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Question generated: A windstorm knocks down many trees in a national park. Timber companies want to get rid of the fallen trees. How would this most likely harm the park ecosystem?

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

Answer: A scientist needs to take a picture of the well-ordered arrangements of the atoms and molecules within a substance. Which of the following instruments would be best for the scientist to use?

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

Answer:
In snapdragon plants, red flowers are dominant to white flowers. When red-flowered plants are crossed with white-flowered plants, pink flowers are produced. If a researcher wants to produce plants with only white flowers, what color should the parent plants be?