Modern’s ABC Plus of Science Biology Class‑9 CBSE is a detailed reference book designed to align with the CBSE Class 9 Biology syllabus. It provides clear explanations of core biological concepts such as the fundamental unit of life (cell), tissues, diversity in living organisms, why do we fall ill, natural resources, improvement in food resources and related topics in simple language supported by well‑labeled diagrams and examples. Each chapter typically includes in‑text questions, exercise questions, solved NCERT examples, HOTS (Higher Order Thinking Skills) questions, MCQs and practice problems to aid understanding and revision. Additionally, Competition Files with questions from national level exams like NTSE help strengthen analytical and competitive skills.