ATP synthesis is linked to-
1. Development of electron gradient
2. Development of atomic gradient
3. Development of proton gradient
4. Flow of electrons across the membrane
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyProduction of NADPH in a chloroplast takes place during
1. cyclic photophosphorylation
2. non-cyclic photophosphorylation
3. series photophosphorylation
4. substrate level photophosphorylation.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySynthesis of ATP from ADP and inorganic phosphate in the presence of light is known as-
a. phosphorylation
b. photo-phosphorylation
c. photorespiration
d. photooxidation.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe reaction centre with respect to cyclic photophosphorylation is
1. P700
2. P680
3. P540
4. P660
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the Z-scheme of light reaction, at how many positions an electron is excited by the light?
1. 1
2. 2
3. 3
4. 4
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyNon- cyclic photophosphorylation involves –
a. PS-I
b. PS-II
c. PS-I and PS-II
d. PS-I and LHC.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn photosystem-I, P700 refers to-
1. chl-b
2. chl-a
3. number of pigment molecules
4. absorption peak of chl-a at 700nm.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following statement is incorrect?
1. | Electrons to PS-I are provided by PS-II |
2. | Electrons to PS-II are provided by the splitting of water |
3. | Electrons to PS-I are provided by the splitting of water |
4. | PS-II is physically located on the inner side of the membrane of the thylakoid. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe C4 plants differ from C3 plants with reference to the:
1. substrate that accepts CO2 in carbon assimilation
2. type of end product
3. type of pigment involved in photosynthesis
4. end product that will be formed
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is incorrect about the light reactions of photosynthesis?
1. P680 and P700 are the reaction centres of PS-I and PS-II respectively
2. Light energy provides energy for the photolysis of water through excitation of the reaction centre of PS-II
3. NADPH is not produced in cyclic electrons transport in light reactions
4. Reactions of the two photosystems are needed for the reduction of NADP
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology