Download Unit 4 test review Photosynthesis and Cellular respiration What is an

Unit 4 test review
Photosynthesis and Cellular respiration
1. What is an autotroph?
2. Name at least two organisms that obtain their energy through autotrophic nutrition.
3. What is a heterotroph?
4. Name at least two organisms that obtain their energy through heterotrophic nutrition.
5. Write the chemical equation for Photosynthesis:
a. What are the reactants?
b. What are the products?
c. Which of the molecules used or produced during photosynthesis are organic
molecules?
d. Which of the molecules used or produced during photosynthesis are inorganic
molecules?
6. Within which organelle does photosynthesis take place?
7. Which types of organisms perform photosynthesis?
8. Draw this organelle and label the light reaction and the Calvin cycle (dark reaction).
a. Show what molecules enter and exit each phase.
9. What is ATP?
10. Is ATP used during photosynthesis? If so, which phase needs to use it?
11. How does the amount of sunlight affect the rate of photosynthesis?
a. Increased light:
b. Decreased light:
c. No light:
12. How does temperature affect the rate of photosynthesis?
13. What is glucose?
14. Where in a glucose molecule is energy stored?
15. Where does this energy come from (originally)?
16. Fill in the missing parts of the following flowchart:
Is produced during
Is used during
Cellular
respiration
Photosynthesis
Includes
and
Involves
Leads to the
synthesis of
anaerobic
Includes
and
aerobic
Which is used
as fuel in
photolsysis
Releases
Which is required for
17. What process converts radiant energy into a form that can be stored and later used by
cells?
18. What process releases the chemical energy stored in food and converts it into a form that
is usable by the cell?
19. Write the chemical formula for cellular respiration.
a. What are the reactants?
b. What are the products?
c. Which are considered organic molecules?
d. Which are considered inorganic molecules?
20. Which organelle is involved in cellular respiration?
21. Which types of organisms perform cellular respiration?
22. What is aerobic respiration?
23. What is anaerobic respiration?
24. What are the two types of fermentation? What are the products of each? Give examples
of each type.
a.
b.
25. What is produced during glycolysis?
26. Where does glycolysis take place?
27. How many ATP molecules are made during anaerobic respiration? How many are made
during aerobic respiration?
28. Describe what happens to oxygen and carbon dioxide levels during:
a. Cellular respiration:
b. Photosynthesis: