📚 CBSE Grade-10 Study Guide
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Social Science (087) — AI-generated practice question

AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.

Q1. [1] deep exam-ready
Assertion (A): Sustainable development is important because the consequences of environmental degradation do not respect national boundaries. Reason (R): Non-renewable resources like crude oil exist in unlimited quantities and will never be exhausted.
  1. A Both A and R are true, and R is the correct explanation of A.
  2. B A is true but R is false.
  3. C A is false but R is true.
  4. D Both A and R are false.
Generated by claude-sonnet-4-6 · 2026-06-26 13:20 · grounding rag
Model Answer

Answer: B

Assertion (A) is true — environmental degradation consequences cross national boundaries, making sustainable development essential. Reason (R) is false — crude oil is a non-renewable resource that will be exhausted; world reserves will last only about 47 years at current extraction rates.

Explanation
Previous-year CBSE Grade 10 board exam questions, organised by subject and chapter, each with a model answer — free to read and print.