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CBSE Class 10 · Science · 24 past questions

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1. Q7 2026

   Which of the following limits the number of trophic levels in a food chain ?

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2. Q11 Sample paper 2026-27

   The following two questions consist of two statements – Assertion (A) and Reason (R). Answer these questions…

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3. Q12 Sample paper 2026-27

   Study the food chain given below… (with a figure)

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4. Q15 2025

   The percentage of solar energy which is not converted into food energy by the leaves of green plants in a…

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5. Q18 2024

   A food chain will be more advantageous in terms of energy if it has

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