Chapter 7: Diversity in Living Organisms – NCERT Exemplar Solutions for Class 9 Science
This chapter explains how millions of organisms are classified into groups to make the study easier. Students are introduced to the five-kingdom classification system proposed by Whittaker: Monera, Protista, Fungi, Plantae, and Animalia. Each kingdom is discussed in terms of cell type, body organization, nutrition, and reproduction.
The chapter also explains the hierarchy of classification: kingdom, phylum/division, class, order, family, genus, and species. Concepts like binomial nomenclature and the importance of scientific naming are discussed in detail. The diversity of plants and animals is highlighted with examples, emphasizing evolutionary relationships. NCERT Solutions for Class 9 Science simplify textbook questions for easy understanding, while NCERT Exemplar Solutions for Class 9 Science strengthen problem-solving with reasoning and diagram-based questions. This chapter helps students appreciate biodiversity and builds a strong base for higher-level biology.