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Science (086) — AI-generated practice question

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

Q1. [1] straightforward initial-understanding
In fishes, how many chambers does the heart have, and how many times does blood pass through the heart per body cycle? (a) Four chambers; twice (b) Three chambers; twice (c) Two chambers; once (d) Two chambers; twice
  1. a Four chambers; twice
  2. b Three chambers; twice
  3. c Two chambers; once
  4. d Two chambers; twice
Previous-year CBSE Grade 10 board exam questions, organised by subject and chapter, each with a model answer — free to read and print.