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WorksheetsPhotosynthesis in Higher Plants- Quiz 5
Total questions: 10
Worksheet time: 3mins
Reaction centre of PSI is _____________ and Reaction centre of PSII is _____________ –
P680, P700
P700, P680
P800, P600
P700, P900
In PSI the reaction centre Chl a has absorption maxima at ____________, while in PSII the reaction centre Chl a has absorption maxima at ____________ –
700 nm, 680 nm
680 nm, 700 nm
400 nm, 500 nm
700 nm, 800 nm
During photosynthesis, electrons are continuously lost from the reaction centre of PSII. What source is used to replace these electrons?
Sunlight
O2
H2O
O3
What does “PSII splits water” mean?
Water is broken into monomers
A condensation reaction occurs
Water is reduced to yield hydrogen gas
Water is oxidised to yield protons, electrons and oxygen
The Z-scheme refers to –
The type of photosynthesis used in plants found in areas with minimal precipitation
The pattern of grana within the chloroplasts of photosynthetic plants
The carbon-fixation process also known as the calvin cycle.
an energy diagram for the transfer of electrons in the light reactions of photosynthesis in plants
The whole scheme of transfer of electrons, starting from PSII, Uphill to the acceptor, down the e– transport chain to PSI, excitation of electrons, transfer to another acceptor, and finally downhill to NADP+ is called –
Y-scheme
δ -scheme
Z-scheme
None
Water splitting complex is associated with –
Outer membrane of chloroplast
Inner membrane of chloroplast
Stroma
PSII
For NADPH + H+ formation –
Only PSI is needed
Only PSII is needed
Both PSI and PSII are needed
Only stroma is needed
Chemiosmosis needs –
A membrane
A proton pump
A proton gradient and ATPase
All
ATPase –
Has no channel
Has a channel that allows diffusion of e–
Has a channel that allows H+ diffusion
All
