Chapter Chapter 7: Photosynthesis: Using Light to Make Food
 
Activities Quiz
 

1 .       Identify the chloroplast. (Activity 7A)

question #1 

 A
 B
 C
 D
 E


2 .       Identify the stroma. (Activity 7A)

question #2 

 A
 B
 C
 D
 E


3 .       Identify a thylakoid. (Activity 7A)

question #3 

 A
 B
 C
 D
 E


4 .       Which of these equations best summarizes photosynthesis? (Activity 7B) 

 C6H12O6 + 6 O2 —> 6 CO2 + 12 H2O
 C6H12O6 + 6 O2 —> 6 CO2 + 6 H2O + Energy
 6 CO2 + 6 O2 —> C6H12O6 + 6 H2O
 6 CO2 + 6 H2O —> C6H12O6 + 6 O2
 H2O —> 2 H+ + 1/2 O2 + 2e-


5 .       Where does the Calvin cycle occur? (Activity 7B)

question #5 

 A
 B
 C
 D
 E


6 .       The light reactions of photosynthesis use _____ and produce _____. (Activity 7B) 

 NADPH ... NADP+
 water ... NADPH
 carbon dioxide ... oxygen
 carbon dioxide ... sugar
 NADPH ... oxygen


7 .       _____ has a longer wavelength than _____. (Activity 7C) 

 Red ... green
 Violet ... blue
 Yellow ... red
 Green ... yellow
 Blue ... green


8 .       Which of these phosphorylates ADP to make ATP? (Activity 7D)

question #8 

 A
 B
 C
 D
 E


9 .       _____ releases energy that is used to pump hydrogen ions from the stroma into the thylakoid compartment. (Activity 7D)

question #9 

 A
 B
 C
 D
 E


10 .       _____ splits water into 1/2 O2, H+, and e-. (Activity 7D)

question #10 

 A
 B
 C
 D
 E


11 .       Energized electrons from ____ enter an electron transport chain and are then used to reduce NADP+. (Activity 7D)

question #11 

 A
 B
 C
 D
 E


12 .       Chlorophyll can be found in _____. (Activity 7D)

question #12 

 B and D
 A and B
 A and C
 B and C
 B and E


13 .       Carbon fixation involves the addition of carbon dioxide to _____. (Activity 7E) 

 rubisco
 RuBP
 G3P
 3-PGA
 NADPH


14 .       After 3-PGA is phosphorylated, it is reduced by _____. (Activity 7E) 

 NADP+
 ADP
 CO2
 NADPH
 ATP


15 .       How many carbon dioxide molecules must be added to RuBP to make a single molecule of glucose? (Activity 7E) 

 2
 4
 6
 8
 10


16 .       In the Calvin cycle, how many ATP molecules are required to regenerate RuBP from five G3P molecules? (Activity 7E) 

 1
 2
 3
 4
 5


17 .       In C3 plants the conservation of water promotes _____. (Activity 7F) 

 photorespiration
 the light reactions
 a shift to C4 photosynthesis
 the opening of stomata
 photosynthesis


18 .       In C4 and CAM plants carbon dioxide is fixed in the _____ of mesophyll cells. (Activity 7F) 

 stoma
 cytoplasm
 thylakoids
 stroma
 grana


19 .       C4 plants differ from C3 and CAM plants in that C4 plants _____. (Activity 7F) 

 open their stomata only at night
 are better adapted to wet conditions
 transfer fixed carbon dioxide to cells in which the Calvin cycle occurs
 use malic acid to transfer carbon dioxide to the Calvin cycle
 use PEP carboxylase to fix carbon dioxide