AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
Q1.[2]mediuminitial-understanding
The text mentions that heterotrophic organisms use complex substances that 'have to be broken down into simpler ones before they can be used.' Why is this breakdown necessary?
Previous-year CBSE Grade 10 board exam questions, organised by
subject and chapter, each with a model answer — free to read and print.