1. Study Sheet for Chapter 8 Test
ANSWERS

2. 6 H2O + 6 CO2 -----> C6H12O6+ 6 O2 1. EQUATION light
For photosynthesis
6 H2O + 6 CO >
C6H12O6+ 6 O2
light

3. 2. Going in and out What goes into the stoma?
What goes out of the stoma?
H20 and CO2
Water and O2
both LIR
Both LDR

4. Definitions: Carbon fixation
Incorporation of carbon from CO2 (unusable) to make organic compounds (usable) like glucose
Carbon fixation

5. Absorption of Chlorophyll Graph
What color wavelength is absorbed by chlorophyll a at its highest peak?
Blue-violet and red
What color is absorbed by carotene pigment?
Orange

6. Absorption of Chlorophyll Graph
What color wavelength is reflected by chlorophyll a at its highest peak? Green and yellow
HINT: WOULD THE REFLECTION BE HIGH OR LOW ON AN ABSORPTION GRAPH?

7. 3. Main function of chlorophyll
Turn the leaf yellow
Capture sunlight energy
Make sugar from carbon dioxide
Make rubisco
ANSWER: capture sunlight energy

8. Definitions:
rubisco
Enzyme that combines CO2 with RuBP to start the Calvin cycle

9. DIAGRAMS
Leaf Cross Section
Check your study guide bottom pg. 1

10. Answers A=cuticle B=Upper epidermis C=Vein D=Phloem E=xylem
F=Palisade layer
G=spongy layer
H=guard cell
I=stomata

11. DIAGRAM A. PS II B. ETC C. PS I D. thylakoid interior E. ATP synthase
F. stroma
680
700 F

12. Do You Know????? XXXX What is under the XXXX’s?
ANSWER: Stromal lamella
XXXX

13. 4. Chlorophyll a Reflects what pigments the most?
ANSWER: Green and yellow
Absorbs what pigments the most?
ANSWER: Blue-violet and red

14. 5. Where does the oxygen come from?
Splitting of oxygen
Splitting of water
Pure oxygen taken into a leaf
Glucose breaking apart
ANSWER: splitting of water

15. REDOX QUESTION: CO2 C6H12O6 ANSWER: Reduced (gains H+) GER (gains e-)
Oxidized?
Reduced?
ANSWER: Reduced
(gains H+) GER
(gains e-)

16. REDOX QUESTION: H2O O2 ANSWER: Oxidized (lose H+) LEO (lose e-)
Reduced?
ANSWER: Oxidized
(lose H+) LEO
(lose e-)

17. 6. Sugar (glucose) is assembled where?
A. thylakoid interior
B. thylakoid membrane
C. stroma
D. outer membrane
ANSWER: stroma
(in LIR)

18. Where do they take place?
LDR
Thylakoid disk
LIR
stroma

19. Where does each take place?
LIR
LDR
Calvin cycle
ETC
Chemiosmosis
Splitting of water
Stroma
Thylakoid disks
Thylakoid membrane
Thylakoid interior through thylakoid membrane to stroma
Thylakoid interior

20. Definitions: Photophos- phorylation autotrophs
Using light to make ATP (ADP + P) by chemiosmosis
Organism that makes its own food (photosynthetic plants)-plants also known as PRODUCERS

21. 8. What 2 hi-energy molecules are made in the LDR to run the LIR?
A. ATP and NADPH
B. ADP and NADP
C. ADP and NADPH
D. ATP and NADP
ANSWER: A

22. 9. What is another name for the LIR?
ETC
LDR
Krebs cycle
Calvin cycle
ANSWER: Calvin cycle (LIR)

23. CHLOROPLAST DIAGRAM A. Outer membrane B. inner membrane C. granum
D. thylakoid disk
E. stroma
F. stromal lamella F

24. 10. What happens when a pigment molecule absorbs a photon?
Electrons leave the pigment molecules
Electrons are added to the pigment
Electrons in the pigment gain energy and are raised to an excited state
The electrons in the pigment lost energy and fall to the ground state
ANSWER: Electrons in the pigment gain energy and are raised to an excited state

25. 11. WHAT ARE THE PRODUCTS? Of LDR? Of LIR? ATP and NADPH and oxygen
Glucose and ADP and NADP+

26. 12. How many turns?
Of the Calvin cycle to produce one molecule of glucose? 1 2 3 6
ANSWER: 6

27. What makes glucose? 2 molecules of G3P 3 molecules of RuBP
4 molecules of CO2
An ATP and a G3P
2 NADPH and 4 ATP
ANSWER: 2 molecules of G3P

28. Photophosphorylation
Makes ATP in the ETC
Makes ATP by chemiosmosis
Makes NADPH in the ETC
Makes NADPH by chemiosmosis
ANSWER: makes ATP by chemiosmosis

29. DIAGRAMS PHOTOSYSTEM A. photon of light B. reaction center
C. pigment molecules of antenna

30. 13. In the LDR where would the H+ ions collect?
A. on the thylakoid membrane
B. on the outer membrane
C. in the thylakoid interior (lumen)
D. in the stroma
ANSWER: C

31. PICTURE IT: Where do the H+ collect after they are split from water?G

32. Where do the H+ collect after they are split from water?
D – thylakoid interior
H H+
H+ H+ G

33. Where would be ATP synthase be located?
A. on the thylakoid membrane
B. on the outer membrane
C. in the thylakoid interior (lumen)
D. in the stroma
ANSWER: A

34. PICTURE IT: Where is the ATP synthase located?G

35. Where is the ATP synthase located?G

36. Where are these formed? NADPH ATP
LDR By high energy electrons passing through the ETC
By H+ ions passing through the ATP synthase via chemiosmosis

37. PICTURE IT: Where would NADPH and ATP collect?G

38. Where would NADPH and ATP be found?G
(stroma) G

39. JUMPING IN: One of these things, does not belong with the others:
Antenna molecule
Reaction center
Primary electron acceptor
Pigment molecule
Stroma
ANSWER: stroma

40. 14. Plants Are known as: (how many are true?) consumers Autotrophs
Producers
Herbivores
Heterotrophs
ANSWER: autotrophs and producers
Animals are heterotrophs

41. JUMPING IN: What is the enzyme?
That is the most abundant in
the world?
Amylase
Rubisco
ATP synthase
Peptidase
ANSWER: rubisco

42. 15. What is…?
Carbon Fixation?
ANSWER: changing of unusable atmospheric CO2 into usable organic compounds (like glucose)

43. 16. What are the colors? Carotenoids Xanthophylls Chlorophyll a
Chlorophyll b
Orange
Yellow
Green
Yellow green

44. 17. Scientist Contributions
Van Helmont
Priestley
Ingenhousz
Water contributed to plant growth
Plants gave off oxygen
Light is necessary for photosynthesis

45. 18. Which are the high-energy (filled) forms?
ATP or ADP
NADPH or NADP
ATP (three phosphates)-high
ADP (two phosphates)-low
NADPH (has filled electron carrier)
NADP (empty electron carrier)

46. ESSAY #1 How to increase the rate of photosynthesis and why?
A. closer to sunlight so more photons of light can excite the chlorophyll and e-
B. add more water to be split for e-, H+, released oxygen
C. more carbon dioxide to donate carbon molecules to make glucose in LIR

47. ESSAY #2
Design an experiment to test the rate of photosynthesis. Label a sketch of the set-up and the procedure.
HINT: Elodea lab
EX: plant, water, CO2,light
Count oxygen bubbles in different distances from the light

48. ESSAY #3

49. ESSAY #4
Add more (-) ions to be charged

50. GAME OVER