Biology Class 10 Chapter 10 Gaseous Exchange

Multiple choice questions or MCQs are order of the day and you are going to face these in many exams. MCQs are made in such a way that no important aspect is missed out. Any student taking a test and getting more than 90% marks here, will surely get similar marks in board exam. Take your exam your self and find out how prepared you are for your exam. If you fail here you will fail in your exam as well.