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ICSE Class X Biology 2015 Papers

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SECTION - II
The diagram alongside shows two test-tubes AA and BB. Test-tube A contains a green water plant. Test-tube BB contains both a green water plant and a snail. Both Test-tubes are kept in sunlight. Answer the questions that follow :
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Question : 41 of 98
Marks: +1, -0
Write the overall chemical equation for the above process.
Solution:  
6 CO2+12 H2O→ Chlorophyll  light C6H12O6+6 H2O6\,\mathrm{CO}_2+12\,\mathrm{H}_2\mathrm{O}\xrightarrow[\text{ Chlorophyll }]{\text{ light }}\mathrm{C}_6\mathrm{H}_{12}\mathrm{O}_6+6\,\mathrm{H}_2\mathrm{O} +6 O2↑+6\,\mathrm{O}_2\uparrow
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