Q.

I. H2S and H2O and  is involved in photosynthesis of sulphur bacteria
II. ATP is produced during light reaction via chemiosmosis
III. Absence of light leads to the stoppage of photosynthesis
IV. Calvin cycle occurs in grana
Select the correct option
a) II, III and IV    b) I, III and IV    c) I, II and IV        d) I, II and III

AA
BB
CC
DD

A.

(d) Calvin cycle occurs in the stroma not grana. During the Calvin cycle, synthesis of starch takes place
Photosynthetic reaction in purple sulphur bacteria
2H2S+CO2Light2S+CH2O+H2O
Absence of light leads to the stoppage of splitting of water which causes stoppage of photosynthesis

 



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