Where are the protons and O2 formed likely to be released?
[A] Lumen of thylakoid
[B] Outside of thylakoid membrane
[C] In stroma
Phosphorylation occurs in
Oxidative phosphorylation occurs in
Place where cyclic flaw of electrons occur:
[A] Thylakoid of grana
[C] Stroma lamellae
Stroma lamellae lacks all except
[B] NADP reductase
[D] water splitting complex
Which of the following is incorrect about cyclic photo phosphorylation?
[A] Only PSI involved
[B] It occurs when only light of wavelength beyond 680 nm is available for excitation
[C] Only synthesis of ATP occurs
[D] Synthesis of NADPH + H+ occurs
What is the processes that creates proton gradient across thylakoid membrane?
[A] Splitting of water molecule on inner side of membrane (towards lumen)
[B] H+ carrier transport H+ ion from stroma to lumen
[C] NADH reductase removes H+ ion from stroma for reduction of NADP+
During light reaction
[A] pH of stroma ↓ es
[B] pH of lumen ↓ es
[C] pH of lumen ↑ es
[D] pH of stroma has no effect
Which acts as a transmembrane channel?
[A] F0of ATP ase
[B] F1 of ATP ase
[B] proton pump
[C] proton gradient
Which type of phosphorylation takes place in photosynthesis?
[C] Both (a) and (b)
[D] None of the above
Unidirectional flow of electrons in photo phosphorylation takes place in
[C] pseudo cyclic
In light reaction of photosynthesis, chlorophyll is subjected to
[B] permanent reduction
[C] oxidation and reduction
Photosynthetic pigments in chloroplast are embedded in membrane of
[B] photo globin
[D] envelope of chloroplast
Which of the following wavelength occurs in red part of the spectrum?
[A] 470 nm
[B] 390 nm
[C] 680 run
[D] 830 nm