Biological Classification from NCERT Class 11 Biology explains how living organisms are grouped, from the early two-kingdom system to Whittaker's five-kingdom classification. It covers the characteristics of Monera, Protista, Fungi, Plantae and Animalia, along with viruses, viroids and lichens, a combination that makes it a frequent source of NEET questions. These free MCQ practice tests help you remember the distinguishing features, examples and exceptions that questions often test. Each timed test is scored instantly with a full answer review, and new question sets are published regularly for repeated practice.