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WorksheetsPhotosynthesis in Higher Plants- Quiz 7
Total questions: 10
Worksheet time: 4mins
Where is the possible site for cyclic photophosphorylation?
In PSII
In Stroma
In granal thylakoids / lamellae
In stromal lamellae
Stromal lamellae lack –
PSII
PSI
NADP reductase
a and c
Photophosphorylation in a chloroplast is most similar to which of the following mitochondrial reactions?
Oxidative phosphorylation
Substrate level phosphorylation
Hydrolysis
None
Which statement about photosynthesis is false?
In green plants PSI and PSII are required for the synthesis of NADPH + H+
Photosynthesis is a redox process; H2O is oxidised, CO2 is reduced
Photosynthesis is a physio-chemical process
None
Biosynthetic phase of photosynthesis needs –
ATP, NADPH2, CO2 and H2O
Only CO2
Only ATP + NADPH2
Only O2
Immediately after light becomes unavailable biosynthetic processes –
Stop immediately
Remain continued for ever
Stop and then starts
Continue for some time and then stops
The enzyme ATPase couples the synthesis of ATP to –
The diffusion of protons
The reduction of NADP+
The excitation of Chl.
Carbon dioxide fixation
The enzyme rubisco is found in –
Chloroplast
mitochondria
Cytoplasm
Nucleus
During carbon dioxide fixation / Calvin Cycle, CO2 combines with –
NADPH2
Water
Ribulose biphosphate
3PGAld
The energy to hydrolyse water comes from –
Oxidised chlorophyll
Reduced Chl
The proton gradient
ATP
