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ICSE Class X Biology 2023 Papers

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SECTION - I
Select the correct answers to the questions from the given options.
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Question : 11 of 74
Marks: +1, -0
The site of light reaction in the cells of a green leaf is :
Solution:  
(b) Grana of Chloroplast
Explanation : Photolysis occurs in the grana of a chloroplast and is defined as the splitting of H2O\mathrm{H_2O} molecules into hydrogen ions and oxygen in the presence of light.
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