NJBCT: Matter & Energy Transformations 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!

Page 1

Question 1 1. In order to produce the most ATP, an organism needs to perform

Question 2 2. Which is true about free energy and matter?

Question 3 3. Which of the following is a definition of a compound?

Question 4 4. When living cells break down molecules of food, energy is

Question 5 5. Which best describes photosynthesis?

Page 2

Question 6 6. What important thing do autotrophs do?

Question 7 7. What are the reactants of photosynthesis?

Question 8 8. Consider the following reaction: ABC + energy = AB + BC. Which type of reaction is this?

Question 9 9. Fill in the blanks: Water + carbon dioxide ----> ________ + _________

Question 10 10. In a typical ecosystem, what percentage of the energy produced by the autotrophs then consumed by the primary consumers will be passed along to the secondary consumers?

Page 3

Question 11 11. In most human situations, energy originates from ______.

Question 12 12. Which of the following best defines a food web?

Question 13 13. When metals and non-metals other than oxygen react, what is formed?

Question 14 14. What is the role of the pigment molecules in photosynthesis?

Question 15 15. The physics definition of energy states that energy ______.

Page 4

Question 16 16. Which of the following correctly describes conservation of energy?

Question 17 17. How many trophic levels does an omnivore feed on within an ecosystem?

Question 18 18. What is the 10 percent rule?

Question 19 19. What can an herbivore be categorized as?

Question 20 20. Which statement correctly describes what photosynthesis accomplishes?

Page 5

Question 21 21. Which is not a way carbon can return to the atmosphere?

Question 22 22. When games and competitions are held at high altitudes, athletes must specially train to postpone their cells from switching to

Question 23 23. If you combine 5 grams of hydrochloric acid (HCl) with 10 grams of calcium hydroxide (Ca(OH)2), what will be the total mass of the products of this reaction?

Question 24 24. When two non-metals react, what do they form?

Question 25 25. What are the largest reservoirs for carbon on Earth?

Page 6

Question 26 26. Photosynthesis is a process in plants that uses _____and produces energy and oxygen.

Question 27 27. Which of the following is an example of energy transfer?

Question 28 28. What is photosynthesis?

Question 29 29. Why is being an omnivore the ideal position in a food web in terms of energy?

Question 30 30. Which of the following is a definition of a molecule?

NJBCT: Matter & Energy Transformations 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!

NJBCT: Study Guide & Practice  /  Science Courses
Support