The---------- acceptor of -------- which is located------- side of membrane transfers its electron not to an electron carrier but to a ----------. Fill in the blank according to causes of proton gradient in photosynthesis.
a. Primary, proton, outer, proton carrier
b. Primary, electron, outer, proton carrier
c. Terminal, proton, outer, proton carrier
d. Primary, electron, inner, Hydrogen carrier

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Where does exactly the NADP reductase enzyme located?
a. Thylakoid lumen
b. Thylakoid luminal side of membrane
c. Stromal side of thylakoid membrane
d. Cytoplasm

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The protons for the reduction of NADP+ are taken from-
a. Stroma
b. Lumen of Thylakoid
c. Cytoplasm
d. Matrix

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In photosynthesis, what is reduced?
1. NAD
2. NADP
3. NADP+
4. NADH

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Within chloroplast, number of protons is less in which compartment?
a. Thylakoid membrane
b. Intermembrane space
c. Stroma
d. Matrix

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 77%
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Which of the following acts as a transmembrane channel?
a. F0 of ATPase
b. F1 of ATPase
c. PS I
d. PS II

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F1 of ATPase is located in-
a. Inner surface of plasma membrane
b. Outer surface of thylakoid membrane
c. On the side of thylakoid that faces the stroma
d. both b and c

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When proton motive force degenerates, where does the conformational- changes take place?
a. F0 of ATPase
b. F1 of ATPase
c. PS I
d. PS II

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What does chemiosmosis require?

1. membrane, cytosol, proton pump, ATPase, and proton gradient
2. membrane, cytosol, proton pump, and H-ions
3. membrane, protonpump, ATPase and proton gradient
4. membrane, cytosol, proton pump, ATPase and proton gradient, and H-ions
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Which enzyme catalyzes the reaction of ATP formation during chemiosmosis?
a. ATP hydrolase
b. ATP synthase
c. ATPase
d. ATP synthetase

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 58%
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