Delta Test 5 Listening 1 Q 6-11

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Question 1 of 6

1. Question
6. What is the main topic of the discussion?
- A. Past and present uses of the scientific method
- B. How scientists approach facts and new information
- C. The difference between a fact and a hypothesis
- D. Important facts in the field of cell biology
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Question 2 of 6

2. Question
7. Why does the professor discuss the concept of vitalism?
- A. To illustrate how previously held facts can be replaced
- B. To emphasize the value of studying chemistry and physics
- C. To show that living matter is controlled by a vital force
- D. To explain one of the three tenets of cell biology
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Question 3 of 6

3. Question
8. What does the professor imply when she says this:
- A. Scientists easily understand facts that other people can not understand.
- B. Some facts are more difficult to understand than others.
- C. Facts are only valid until they are replaced by a better understanding.
- D. Not all scientists agree on what can be considered a fact.
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Question 4 of 6

4. Question
9. According to the discussion, how do scientists deal with new information?
- A. They revise previous explanations that no longer make sense.
- B. They state opinions and debate them with other scientists.
- C.They use the scientific method to form and test a hypothesis.
- D. They consult other scientists to learn if the information is useful.
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Question 5 of 6

5. Question
10. What two statements about a hypothesis do the speakers make in the discussion? Click on 2 answers.
- A. A hypothesis replaces an idea that was previously believed to be a fact.
- B. A hypothesis appears to provide a reasonable explanation for a phenomenon.
- C. A hypothesis is useful to scientists only if it can be tested.
- D. A hypothesis is widely accepted by most scientists in the field.
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Question 6 of 6

6. Question
11. Listen again to part of the discussion. Then answer the question.
What can be inferred about the three tenets of cell biology?
- A. They are based on the fact that living and nonliving matter are composed of different substances.
- B. They are a subject of conflict and controversy outside the scientific community.
- C. They will eventually be replaced by a better explanation after new technology becomes available.
- D. They have been thoroughly and repeatedly tested and are consistently supported by the evidence.
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