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Science · 2026 · 2 marks
CBSE 2026 · Region 5 · Set 2 · Q12
Given below is a diagrammatic representation of cross-section of a leaf :
(i)Identify 'P' in the given diagram and write down its role in plants.(ii)Write down a balanced equation of process of photo-synthesis.
Given below is a diagrammatic representation of cross-section of a leaf :
(i)
Identify 'P' in the given diagram and write down its role in plants.
(ii)
Write down a balanced equation of process of photo-synthesis.
Marking-scheme solution
P - Chloroplasts
Absorb light energy and helps in photosynthesis.
(ii)
\[6 \mathrm{CO}_{2}+12 \mathrm{H}_{2} \mathrm{O} \xrightarrow[\text { Sunlight }]{\text { Chlorophylt }} \underset{\text { (glucose) }}{\mathrm{C}_{6} \mathrm{H}_{12} \mathrm{O}_{6}}+6 \mathrm{O}_{2}+6 \mathrm{H}_{2} \mathrm{O}
\]
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CBSE Class 10 Science past-paper question from the 2026board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.