question: Write a question you would see in a school textbook. OPTIONS:
- gray door
- white floor
- black sweater
- brown carpet
answer: Which object best reflects light?

An example of a grad-school level question?
Which species have been on the Earth for the shortest amount of time?

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

Question I was asked: What is involved in creating genetically modified bacteria?

Random question?

Which of the following best describes a role of mushrooms in ecosystems?

Generate a question

Question generated: Which is a major difference between the life cycles of different types of plants?

question: Write a question you would see in a school textbook. OPTIONS:
- The onion would contaminate the fourth trial.
- The container without the onion is the control.
- Three containers with onions are enough to conduct the test.
- The container without the onion is the independent variable.
answer:
Students conducted an investigation with green bananas. They hypothesized that an onion placed near a banana could increase the rate at which the banana ripened. They placed one onion and one banana in each of three containers. In a fourth container they placed a banana, but no onion. Which statement best explains why the onion was left out of the fourth container?