Reactions Of Photosynthesis Worksheet With Answers
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4Name ____________________________
REACTIONS OF PHOTOSYNTHESIS
8-3 (pp 208-214)
MULTIPLE CHOICE:
Circle the letter of the answer that best completes the statement or answers the question.
Photosystems I and II are ___________________________
A. found in the stroma
B. located in the thylakoid space
C. part of the thylakoid membrane
D. participants in the Calvin cycle
The Calvin cycle is another name for __________________________
A. photosynthesis
B. the electron transport chain
C. light-dependent reactions
D. light-independent reactions
Why does the space inside the thylakoid become positively charged during the light-dependent reactions?
+
A. ATP synthase pushes H
ions from the stroma across the membrane into the space
+
B. H
ions build up in the space as water is split
C. Electrons have a + charge and are released here by Photosystem II
D. Carbon dioxide builds up in the stroma
CIRCLE ALL THAT ARE TRUE about the LIGHT DEPENDENT REACTION.
A. High-energy electrons move through the electron transport
chain.
B. Pigments in photosystems II and I absorb light.
+
C. ATP synthase helps H
ions in the thylakoid space to pass through the membrane to the
stroma.
D. ATP and NADPH are used to produce high-energy sugars.
CIRCLE ALL THAT ARE TRUE about the CALVIN CYCLE
A. ATP is produced by ATP synthase and oxygen is released
B. It is also called the light-independent reactions.
C. ATP and NADPH from the light-dependent reactions are used here
D. High energy sugar compounds are made from
CO
2
Which step is the beginning of photosynthesis?
A. Pigments in photosystem I absorb light.
B. Pigments in photosystem II absorb light.
C. High energy electrons move through the electron transport chain.
D. ATP and NADPH produce high energy sugars.
CIRCLE ALL OF THE FOLLOWING THAT ARE PART OF THE THYLAKOID MEMBRANE.
A. electron transport chain
B. photosystem I
C. photosystem II
D. ATP synthase
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