Biology chapter-wise weightage for NEET 2021 Chapter Weightage out of 100 Diversity in Living World 14% Cell Structure and Function 5% Structural Organisation in Animals and Plants 9% Plant Physiology 6% Human Physiology 20% Reproduction 9% Genetics and Evolution 18% Biotechnology and Its Applications 3% Biology and Human Welfare 4% Ecology and environment 12% 334 viewsedited 08:13