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Earn 100

Z scheme is:

(i) Cyclic photophosphorylation
(ii) Non-cyclic photophosphorylation
(iii) Proposed by P. Mitchell

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Important Questions on Photosynthesis in Higher Plants

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IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 6 - Photosynthesis in Higher Plants>TOPICWISE QUESTIONS>Q 42

The following figure is the pathway of non-cyclic photophosphorylation. Find the correct options for all the given blanks indicated by A, B, C, and D.

Question Image

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Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 6 - Photosynthesis in Higher Plants>TOPICWISE QUESTIONS>Q 43
Which of the following does not participate when the light-dependent phase yields only ATP as assimilatory power?
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Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 6 - Photosynthesis in Higher Plants>TOPICWISE QUESTIONS>Q 54
Photophosphorylation in a chloroplast is most similar to which of the following mitochondrial reactions?
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Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 6 - Photosynthesis in Higher Plants>TOPICWISE QUESTIONS>Q 65
Melvin Calvin traced the path of CO2 fixation using all except
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Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 6 - Photosynthesis in Higher Plants>TOPICWISE QUESTIONS>Q 50

How many of the given statements is/are correct for cyclic phosphorylation?

(I) Only PS I is functional.

(II) Occurs in stroma lamellae.

(III) Occurs when only light of wavelength less than 680 nm is available for excitation.

(IV) Synthesis of both ATP and NADPH occurs.

(V) Electrons are circulated within the photosystem.

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IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 6 - Photosynthesis in Higher Plants>TOPICWISE QUESTIONS>Q 53
Both PS I and PS II operate
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IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 6 - Photosynthesis in Higher Plants>TOPICWISE QUESTIONS>Q 56

Read the following statements and state them as true (T) and false (F).

A. A photosystem consists of a reaction center, LHC, and an electron acceptor.

B. The final acceptor of electrons during the non-cyclic flow of electrons is NADP.

C. During phosphorylation, the chloroplast stroma becomes more acidic than the interior of the thylakoid membrane.

D. The cytochrome system transports electrons and pumps H+ from stroma to thylakoid membrane.

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IMPORTANT
Daily Practice Problems (DPP) Unit III : Cell: Structure and Functions Unit IV : Plant Physiology NEET>Chapter 6 - Photosynthesis in Higher Plants>TOPICWISE QUESTIONS>Q 66
C3 plants require ___(A)___ ATP molecules and ___(B)___ NADPH molecules for fixation of one CO2 molecule.