AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
Q1.[2]mediuminitial-understanding
In Activity 5.6, students observe that fish open and close their mouth and gill-slits in a coordinated manner. What is the significance of counting how often a fish opens its mouth compared to a human breathing?
Previous-year CBSE Grade 10 board exam questions, organised by
subject and chapter, each with a model answer — free to read and print.