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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
Which animals have a three-chambered heart? (a) Birds and mammals (b) Fishes (c) Amphibians and many reptiles (d) All vertebrates
  1. a Birds and mammals
  2. b Fishes
  3. c Amphibians and many reptiles
  4. d All vertebrates
Previous-year CBSE Grade 10 board exam questions, organised by subject and chapter, each with a model answer — free to read and print.