CBSE 2025 · Region 5 · Set 3 · Q31 · 3 marks
List three raw materials required by terrestrial plants for photosynthesis. Explain how nature provides these raw material to the plants.
Marking-scheme solution
Raw material - \(\displaystyle \mathrm{CO}_{2}\), water and light
\(\displaystyle \mathrm{CO}_{2}\) - from the atmosphere/air through stomata
\(\displaystyle \mathrm{H}_{2} \mathrm{O}\) - from soil through absorption by root
Light - from the sun
Life ProcessesAutotrophic and Heterotrophic NutritionUnderstandshort_answereasy
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CBSE Class 10 Science past-paper question from the 2025board exam, with the answer as CBSE’s own marking scheme gives it. Where our answers come from.