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Science · 2026 · 2 marks
CBSE 2026 · Region 4 · Set 3 · Q11
The leaves of a plant first prepares food 'P' by photo-synthesis. Food 'P' is then converted to food 'Q', which is stored in the leaves if not used immediately. What are 'P' and 'Q' ? What are the raw materials and conditions required for synthesis of 'P' ?
Marking-scheme solution
Food:
P - Glucose
Q - Starch
Raw materials: \(\displaystyle \mathrm{CO}_{2}, \mathrm{H}_{2} \mathrm{O}\)
Conditions: Presence of sunlight, chlorophyll
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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.