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Bihar Board Class 10 · Science · 23 past questions

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1. Q6 2025

   Which gas is responsible for global warming ?

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2. Q7 2025

   The chemical which shows biomagnification is

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3. Q8 2025

   Primary consumers are called

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4. Q9 2025

   CFC is widely used in

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5. Q10 2025

   What is the new concept of waste management ?

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