An example of a grad-school level question?
A student is growing some plants for an experiment. She notices small white spots on the leaves. Which tool should she use to get a better look at the spots?

An example of a grad-school level question?
Which of the following would most likely happen if grasses and shrubs were removed from a rural Massachusetts ecosystem?

An example of a grad-school level question?
How should researchers share their findings with other scientists to validate their study of the effectiveness of a new medication?

An example of a grad-school level question?
In the 17th century, Gregor Mendel crossed pea plants with different traits and observed the results in their offspring. To which of these did Mendel contribute most directly with his work?