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NEET UG BIOLOGY MCQ: PHOTOSYNTHESIS IN HIGHER PLANTS
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I. The electrons that carriers photophosphorylation are located in the thylakoid membrane
II. During photophosphorylation, the chloroplast stroma becomes more acidic than the interior of thylakoid membrane
III. Protons diffuses through the protein channels which are ATP synthetase molecules
IV. ATP is formed from ADP + Pi on the stroma side of the thylakoid in the chloroplast
V. During photophosphorylation, water ionises to form , yielding electrons to PS-II
Which of the following statement are false?
II. During photophosphorylation, the chloroplast stroma becomes more acidic than the interior of thylakoid membrane
III. Protons diffuses through the protein channels which are ATP synthetase molecules
IV. ATP is formed from ADP + Pi on the stroma side of the thylakoid in the chloroplast
V. During photophosphorylation, water ionises to form , yielding electrons to PS-II
Which of the following statement are false?
View answer and explanation
Correct option: D
Only II
Option D (Only II) is correct because during photophosphorylation, the thylakoid lumen becomes more acidic, not the stroma.
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Identify the incorrect statements among the following
I. When only PS I is functional, cyclic flow of electrons is not possible
II. The breakdown of the gradient provides enough to make the enzyme synthesis
III. The NADP reductase enzyme is located of the thylakoid membrane
IV. Proton gradient increases due to and Cyt . Law of limiting factors was given by
I. When only PS I is functional, cyclic flow of electrons is not possible
II. The breakdown of the gradient provides enough to make the enzyme synthesis
III. The NADP reductase enzyme is located of the thylakoid membrane
IV. Proton gradient increases due to and Cyt . Law of limiting factors was given by