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Our Environment
CBSE Class 10 · Science · 24 past questions
Topic
Energy flow and the 10 percent law
3
Food chains and trophic levels
3
Biodegradable and non-biodegradable waste
2
Biomagnification and pesticides
2
Ecosystem components and balance
1
Ozone layer depletion
1
Level
Easy
2
Moderate
0
Year
2026
2
2025
2
2024
0
2023
0
2 of 24 ·
show all
Q1
2026
Which of the following group is not 'biodegradable' ?
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Q9
2026
Suggest one best way to dispose of the following wastes…
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