CBSE 2025 · Region 4 · Set 1 · Q23 · 2 marks
"Plants use a variety of techniques to get rid of waste material." Justify this statement giving any four ways.
Marking-scheme solution
Four ways:
1. \(\displaystyle \mathrm{O}_{2}\) as a waste product through stomata.
2. Excess water by transpiration.
3. Shedding of leaves.
4. Stored as resins and gums in old xylem.
5. Into the soil
6. Stored in cellular vacuolesLife ProcessesExcretionUnderstandvery_short_answermedium
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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.