1. SEMESTER I EXAM
REVIEW B 2010

2. ATP has how many phosphates?
A. one
B. two
C. three
D. four
ANSWER: three

3. What is the equation for photosynthesis?
CO2 + H2O C6H12O O2
C6H12O O CO2 + H2O
ANSWER: CO2 + H2O C6H12O O2

4. Label the parts of the chloroplast:

5. Label the parts of the chloroplast:

6. Which pigment is most useful in a plant to capture sunlight for photosynthesis?
A. carotenoids
B. xanthophylls
C. phycobillins
D. chlorophylls
ANSWER: D

7. Identify the parts of the leaf cross-section:

8. Identify the parts of the leaf cross-section:

9. Chlorophyll a reflects what colors the most?
A. blue and green
B. green and yellow
C. red and orange
D. blue and red
ANSWER: B

10. What is the source of oxygen that plants give off?
A. splitting of carbon dioxide
B. splitting of water
C. reaction of sugar and water
D. reaction of carbon dioxide and nitrogen
ANSWER: B

11. What two high-energy molecules are made in the LDR to run the LIR?
A. ATP and NADPH
B. NADPH and NAD+
C. NADH and FADH2
D. ATP and ADP
ANSWER: A

12. What happens to an e- when chlorophyll absorbs a photon?
A. electron moves down ATP synthase
B. electron falls to a lower energy level
C. electron gets excited and jumps to a higher level
D. electron breaks down
ANSWER: C

13. Which process produces oxygen bubbles?
A. LIR
B. LDR C. Krebs cycle
D. fermentation
ANSWER: B from splitting of water

14. Which process produces carbon dioxide bubbles and ethanol?
A. LIR
B. LDR C. Krebs cycle
D. fermentation
ANSWER: D

15. Which are autotrophs?
Elodea
Amoeba
Human
Gerbil
tree
Yes No
yes

16. What is another name for the LIR?
Krebs Cycle
Calvin Cycle
Spin Cycle
ANSWER: Calvin Cycle

17. How many turns of the Calvin cycle are needed to make one glucose molecule?
A. one
B. three
C. four
D. six
ANSWER: six

18. Where do these processes take place?
LIR
LDR
Krebs cycle
ETC/Chemiosmosis
Fermentation
Stroma of chloroplast
Thylakoids - chloroplasts
Matrix of chloroplast
Inner membrane of mitochondrion
cytoplasm

19. Match LIR or LDR: LDR LIR Use sunlight Assemble glucose
Take in CO2 to make PGAL
Make ATP and NADPH
LDR
LIR

20. Which is the high level form?
NAD+ or NADH
NADH
ATP or ATP
ATP
NADPH or NADP+
NADPH
FAD or FADH2
FADH2

21. What happens to an electron when chlorophyll absorbs a photon?
A. electron drops down a level
B. electron gets excited to a higher level
C. electron breaks apart
D. electron moves to ATP synthase
ANSWER: B

22. Where are the bronchi? A B C D E

23. Where are the bronchi? D A B C D E

24. Where are the alveoli? A B C D E

25. Where are the alveoli? E A B C D E

26. 250 calories = ____ Calories
B. 2,500
C. 250,000 D
ANSWER: D

27. What is the equation for cellular respiration?
CO2 + H2O C6H12O O2
C6H12O O CO2 + H2O
ANSWER: C6H12O O CO2 + H2O

28. How does the equation for cellular respiration compare to the one for photosynthesis?
CO2 + H2O C6H12O O2
C6H12O O CO2 + H2O
ANSWER: Products of one are the reactants of the other.

29. Which is true of glycolysis?
A. breaks glucose into 2 pyruvic acid
B. requires oxygen
C. occurs in the cytoplasm
D. occurs in the matrix
ANSWER: A and C

30. How many ATP do each net?
Glycolysis
Krebs Cycle
ETC/chemiosmosis 2 34

31. What electron carriers are in each process?
Glycolysis
Krebs cycle
FADH
FADH and NADH2

32. What process regenerates NADH back to NAD+?
A. Krebs cycle
B. ETC
C. fermentation
D. glycolysis
ANSWER: C

33. Identify as “A” aerobic or “AN” anaerobic
Without oxygen AN
With oxygen A
Fermentation
Krebs cycle

34. What two products form from yeast and glucose fermentation?
A. oxygen and ethanol
B. carbon dioxide and ethanol
C. carbon dioxide and glucose
D. oxygen and glucose
ANSWER: B.

35. What product(s) form from muscle anaerobic fermentation?
A. oxygen and ethanol
B. carbon dioxide and ethanol
C. lactic acid
D. lactic acid and glucose
ANSWER: C

36. Is cellular respiration aerobic or anaerobic?

37. What is another name for the Krebs cycle?
A. citric acid cycle
B. Calvin cycle
C. spin cycle
D. cell cycle
ANSWER: A

38. Which is not made at the end of the Krebs cycle?
A. FADH2
B. NADH
C. ATP
D. water
ANSWER: D water is made in ETC/chemiosmosis

39. Where do the e- come from that are in the ETC?
A. ATP
B. electron carriers FADH2 and NADH
C. water
D. carbon dioxide
ANSWER: B.

40. What is the enzyme structure that H+ ions pass through to make ATP in the inner membrane?
A. matrix
B. lactase
C. ATP synthase
D. intermembrane space
ANSWER: C

41. How many total ATP’s from each?
Glycolysis
Krebs cycle
ETC/chemiosmosis
TOTAL 2 34 38