Biology is the most important subject in NEET, carrying 50% of the total marks (360 out of 720). It is divided into Botany and Zoology, each with 45 questions. Around 85-90% of Biology questions come directly from NCERT textbooks.
💡 Preparation Tip
Read every line, diagram, and table in NCERT Biology textbooks. Most questions are directly from NCERT.
Biodiversity, taxonomical hierarchy, nomenclature
Five kingdom classification, viruses, lichens
Algae, bryophytes, pteridophytes, gymnosperms, angiosperms
Classification of animals, phylum characteristics
Root, stem, leaf, flower, fruit, seed morphology
Tissues, tissue systems, anatomy of organs
Animal tissues, organ systems
Cell theory, prokaryotic/eukaryotic cells, organelles
Carbohydrates, proteins, lipids, nucleic acids, enzymes
Mitosis, meiosis, cell cycle regulation
Light reactions, Calvin cycle, C3/C4 plants, photorespiration
Glycolysis, TCA cycle, ETS, fermentation
Growth regulators, photoperiodism, vernalization
Digestive system, enzymes, absorption, disorders
Respiratory system, gas transport, respiratory disorders
Blood, heart, cardiac cycle, ECG, circulatory disorders
Nephron, urine formation, osmoregulation
Skeletal system, joints, muscle contraction
Nervous system, reflex arc, brain, sensory organs
Endocrine glands, hormones, disorders
Asexual/sexual reproduction, vegetative propagation
Flower structure, pollination, fertilization, embryo development
Reproductive system, gametogenesis, fertilization, pregnancy
Contraception, STDs, infertility, ART
Mendel's laws, linkage, sex determination, genetic disorders
DNA structure, replication, transcription, translation, genetic code
Origin of life, theories of evolution, Hardy-Weinberg principle
Immunity, diseases, drugs, cancer
Animal husbandry, plant breeding, tissue culture
Microbes in food, industrial products, biogas, STP
rDNA technology, PCR, gel electrophoresis, vectors
GMOs, gene therapy, transgenic animals, bioethics
Organisms and environment, population ecology
Energy flow, food chains, nutrient cycling, ecological succession
Biodiversity patterns, conservation strategies
Pollution, waste management, deforestation, ozone depletion
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