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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] straightforward exam-ready
Assertion (A): Mica is one of the most indispensable minerals used in electric and electronic industries. Reason (R): Mica has excellent di-electric strength, low power loss factor, insulating properties and resistance to high voltage. Options: (A) Both (A) and (R) are true and (R) is the correct explanation of (A). (B) Both (A) and (R) are true, but (R) is not the correct explanation of (A). (C) (A) is true, but (R) is false. (D) (A) is false, but (R) is true.
  1. A Both (A) and (R) are true and (R) is the correct explanation of (A).
  2. B Both (A) and (R) are true, but (R) is not the correct explanation of (A).
  3. C (A) is true, but (R) is false.
  4. D (A) is false, but (R) is true.
Generated by claude-sonnet-4-6 · 2026-06-26 13:32 · grounding rag
Model Answer

(A) Both (A) and (R) are true and (R) is the correct explanation of (A).

Explanation

The passage directly states that because of its excellent di-electric strength, low power loss factor, insulating properties and resistance to high voltage, mica is indispensable in electric/electronic industries. So (R) directly and correctly explains (A).

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