AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
Q1.[2]mediuminitial-understanding
How does the chapter explain that oxygen released during photosynthesis can be considered a waste product? Connect this to the broader definition of excretion given in Section 5.5.
Previous-year CBSE Grade 10 board exam questions, organised by
subject and chapter, each with a model answer — free to read and print.