Top Weightage Topics in Biology for NEET 2025

Plant Physiology - Topics like photosynthesis, respiration, plant growth & development and mineral nutrition are frequently asked.

Genetics & Evolution - Topics like Mendelian Genetics, molecular basis of inheritance and Darwin’s theory of evolution have high weightage.

Ecology & Environment - Ecosystem, biodiversity. Population interactions and environmental issues are asked every year.

Human Physiology - Topics such as digestive, circulatory, excretory, nervous and endocrine systems are a major portion.

Biotechnology & its applications - Topics like genetic engineering, applications of biotechnology in medicine and agriculture are easy scoring.

Human Reproduction - Male & Female reproductive systems, menstrual cycle and embryonic development are frequently asked topics.