What does not cause the proton gradient across the membrane?
a. Splitting of water
b. Moving electrons through photosystems
c. Reduction of NADP
d. Q cycle

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Where does the splitting of water take place?
a. Stroma
b. Cytoplasm
c. Thylakoid lumen
d. Plasma membrane

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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?
a. NAD
b. NADP
c. NADP+
d. 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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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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The transport of proton across the membrane occurs through-
a. Active Transport
b. Facilitated Diffusion
c. Diffusion
d. both a and b

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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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