Praxis Biology: Science Principles - Hypotheses, Theories and Change Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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Question 1 1. Why was the disproof of spontaneous generation and the development of germ theory of disease so important?

Question 2 2. Pasteurization:

Question 3 3. After milk is heated during the process of pasteurization, it must then be:

Question 4 4. Which of the following was the instrument used for the discovery of the electron?

Question 5 5. How was the theory of spontaneous generation used to explain why food that was left out would eventually be covered in microbes, maggots, flies, and rodents?

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Question 6 6. Who first coined the term atom, meaning indivisible?

Question 7 7. What is the Germ Theory of Disease?

Question 8 8. Which scientist is credited with discovering the charge of individual electrons?

Question 9 9. Pasteurization:

Question 10 10. The inflammation of a cow's udder due to an infection is known as:

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Question 11 11. Why did Pasteur use a swan-necked flask when he was trying to disprove spontaneous generation?

Question 12 12. The man responsible for inventing the process of pasteurization is:

Question 13 13. What was the significance of Pasteur's study of sour wine to the eventual disproof of spontaneous generation?

Question 14 14. What did Rutherford discover in his gold foil experiment?

Question 15 15. Why did Democritus disagree with Aristotle?

Praxis Biology: Science Principles - Hypotheses, Theories and Change Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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