the questions often have two answers that could, at first glance, be correct. Don’t make the mistake of reading the first answer and thinking this is correct without checking all the others.

then we will be providing the questions with answers and that too chapter-wise. Here, we provide the CBSE Class 12 Biology Chapter 3 Ecosystem competency-based questions for the 2025 examination.

You could be asked questions about the methods, safety precautions you might take, results and conclusions of these experiments. In this Ecology section thereis one core practical activity ...