An example of a grad-school level question?
Four identical candles are set on a safe surface and lit. One is covered with a small-sized jar, one is covered with a large-sized jar, and one candle is left in the open. A fourth lit candle is placed in a vacuum. Which candle will most likely stay lit the longest?

An example of a grad-school level question?
The Ohio state tree is the buckeye. Which of these is a trait that is inherited by the buckeye tree in the reproduction process?

An example of a grad-school level question?
Which of the following areas is most likely to form metamorphic rocks such as gneiss and schist?

An example of a grad-school level question?
In whitetail deer, females seldom grow antlers. Which best explains why male whitetail deer grow antlers but females seldom grow antlers?