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Science — CBSE Class 10 board question

Q1. [1]
Assertion (A) : The peristaltic movements occur all along the gut. Reason (R) : The lining of the gut has muscles that contract rhythmically to push the food in regulated manner.
  1. (A) Both Assertion (A) and Reason (R) are true and Reason (R) is the correct explanation of the Assertion (A).
  2. (B) Both Assertion (A) and Reason (R) are true, but Reason (R) is not the correct explanation of the Assertion (A).
  3. (C) Assertion (A) is true, but Reason (R) is false.
  4. (D) Assertion (A) is false, but Reason (R) is true.
Previously asked in CBSE board exam
2026 31/5/1 Q9
Generated by claude-sonnet-4-6 · 2026-06-11 09:53 · grounding rag
Model Answer

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

Explanation

The textbook states: "The lining of canal has muscles that contract rhythmically in order to push the food forward. These peristaltic movements occur all along the gut." — R directly explains why A is true, making option (A) correct.

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