Introduction NEET Biology accounts for 50% of the paper (90 questions) , and with NCERT-based questions dominating the section, it becomes the most scoring subject if prepared smartly. In this post, we’ll cover chapter-wise NEET Biology weightage for 2025 , plus the best tips to crack it. NEET Biology Syllabus Overview Total Questions: 90 Marks: 360 out of 720 Divided equally from Class 11 and Class 12 Based on NCERT Biology Books (100% questions are directly or indirectly from it) 📘 Class 11 Biology Chapter-wise Weightage Chapter Expected No. of Questions Weightage (%) Diversity of Living Organisms 5–6 ~12% Structural Organisation in Animals & Plants 3–4 ~6% Cell Structure and Function 5–6 ~10% Plant Physiology 4–5 ~8% Human Physiology 10–12 ~20% 📗 Class 12 ...
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