Updated: December 29, 2025 | Biology carries the highest weightage (50%) in NEET with 90 questions worth 360 marks. This comprehensive guide covers all 38 Biology chapters from Class 11 & 12 NCERT, divided into Botany (45 questions) and Zoology (45 questions), with detailed topics and chapter-wise weightage analysis.

Key Stats: 90 Questions | 360 Marks | Botany (45Q) + Zoology (45Q) | 80-85% questions directly from NCERT

1. NEET Biology 2026 Overview

The NEET Biology syllabus 2026, released by NMC on December 23, 2025, integrates topics from Class 11 and Class 12 in both Botany and Zoology. Biology decides your NEET rank since it carries 50% of the total marks.

Section	Class 11	Class 12	Questions	Marks
Botany	19 chapters	8 chapters	45	180
Zoology	6 chapters	12 chapters	45	180
TOTAL	25	20	90	360

Why Biology is Critical for NEET Success

50% weightage - Half of your NEET score depends on Biology
80-85% from NCERT - Direct questions from textbook
Easiest to score - Factual, less calculation-based
Target 320-340/360 - Achievable with thorough NCERT revision

2. Class 11 Biology - Botany Chapters

Unit 1: Diversity in Living World ⭐ HIGH-YIELD (8-10 Questions)

Chapter 1: The Living World

Expected: 1-2 Questions

Characteristics of living organisms: Growth, reproduction, metabolism, consciousness
Biodiversity and need for classification
Taxonomy: Identification, nomenclature, classification
Binomial nomenclature rules (ICBN)
Taxonomic categories: Species → Genus → Family → Order → Class → Phylum → Kingdom
Taxonomical aids: Herbarium, botanical gardens, museums, keys

Chapter 2: Biological Classification ⭐

Expected: 2-3 Questions

Five Kingdom Classification (Whittaker):
- Monera: Bacteria, cyanobacteria, mycoplasma
- Protista: Chrysophytes, dinoflagellates, euglenoids, slime moulds, protozoans
- Fungi: Phycomycetes, ascomycetes, basidiomycetes, deuteromycetes
- Plantae: All plants
- Animalia: All animals
Viruses: Living chemicals, TMV, bacteriophage
Viroids: Infectious RNA
Lichens: Symbiotic association (algae + fungi)

Chapter 3: Plant Kingdom ⭐

Expected: 2-3 Questions

Algae: Chlorophyceae (green), Phaeophyceae (brown), Rhodophyceae (red)
Bryophytes: Amphibians of plant kingdom, liverworts, mosses
Pteridophytes: First vascular plants, Psilopsida, Lycopsida, Sphenopsida, Pteropsida
Gymnosperms: Naked seeds, Cycas, Pinus, Ginkgo
Angiosperms: Dicots vs monocots, double fertilization
Plant Life Cycles: Haplontic, diplontic, haplo-diplontic

Chapter 4: Animal Kingdom ⭐ HIGHEST-YIELD

Expected: 4-5 Questions

Basis of Classification: Levels of organization, symmetry, coelom, segmentation
Phylum Porifera: Sponges, canal system, spicules
Phylum Cnidaria: Cnidoblasts, polymorphism, coral reefs
Phylum Ctenophora: Comb plates, bioluminescence
Phylum Platyhelminthes: Flatworms, flame cells
Phylum Aschelminthes: Roundworms, pseudocoelom
Phylum Annelida: Segmented worms, nephridia
Phylum Arthropoda: Largest phylum, jointed appendages, chitinous exoskeleton
Phylum Mollusca: Soft-bodied, mantle, radula
Phylum Echinodermata: Spiny skin, water vascular system
Phylum Hemichordata: Worm-like, stomochord
Phylum Chordata: Notochord, dorsal nerve cord, pharyngeal gill slits

Unit 2: Structural Organisation in Plants & Animals

Chapter 5: Morphology of Flowering Plants

Expected: 2-3 Questions

Root: Tap root, fibrous root, modifications (storage, respiratory, climbing)
Stem: Modifications (underground, aerial, sub-aerial)
Leaf: Venation, phyllotaxy, simple vs compound
Inflorescence: Racemose, cymose types
Flower: Parts, aestivation, placentation
Fruit: Simple, aggregate, composite
Floral Formula & Diagram: Family characteristics (Fabaceae, Solanaceae, Liliaceae)

Chapter 6: Anatomy of Flowering Plants ⭐

Expected: 2-3 Questions

Tissues: Meristematic (apical, lateral, intercalary), permanent (simple, complex)
Simple Tissues: Parenchyma, collenchyma, sclerenchyma
Complex Tissues: Xylem (vessels, tracheids), phloem (sieve tubes, companion cells)
Tissue Systems: Epidermal, ground, vascular
Anatomy: Dicot vs monocot root, stem, leaf
Secondary Growth: Vascular cambium, cork cambium, annual rings

Chapter 7: Structural Organisation in Animals

Expected: 1-2 Questions

Animal Tissues: Epithelial, connective, muscular, nervous
Epithelial: Squamous, cuboidal, columnar, ciliated
Connective: Blood, bone, cartilage, adipose, areolar
Muscular: Skeletal (striated), smooth (unstriated), cardiac
Organ Systems: Earthworm, cockroach, frog - comparative anatomy

Unit 3: Cell Structure & Function ⭐ HIGH-YIELD (6-8 Questions)

Chapter 8: Cell - The Unit of Life ⭐

Expected: 3-4 Questions

Cell Theory: Schleiden, Schwann, Virchow contributions
Prokaryotic Cell: Cell wall, plasma membrane, ribosomes (70S), nucleoid
Eukaryotic Cell: Membrane-bound organelles, 80S ribosomes
Cell Organelles:
- Cell membrane: Fluid mosaic model, transport mechanisms
- Nucleus: Nuclear envelope, chromatin, nucleolus
- Endoplasmic Reticulum: RER (protein synthesis), SER (lipid synthesis)
- Golgi Complex: Packaging, secretion, lysosomes formation
- Mitochondria: Powerhouse, oxidative phosphorylation
- Plastids: Chloroplasts, chromoplasts, leucoplasts
- Ribosomes: Protein synthesis, 70S/80S
- Cytoskeleton: Microtubules, microfilaments
- Cilia & Flagella: 9+2 arrangement

Chapter 9: Biomolecules ⭐

Expected: 2-3 Questions

Carbohydrates: Monosaccharides, disaccharides, polysaccharides
Proteins: Primary, secondary, tertiary, quaternary structure
Lipids: Fats, phospholipids, steroids
Nucleic Acids: DNA, RNA structure and function
Enzymes: Classification, mechanism of action, factors affecting activity
Metabolic Pathways: Anabolic vs catabolic

Chapter 10: Cell Cycle & Cell Division ⭐ HIGHEST-YIELD

Expected: 4-5 Questions

Cell Cycle: G1, S, G2, M phases, checkpoints
Mitosis: Prophase, metaphase, anaphase, telophase, cytokinesis
Significance: Growth, repair, asexual reproduction
Meiosis: Meiosis I (reductional), Meiosis II (equational)
Meiosis I: Prophase I (leptotene, zygotene, pachytene, diplotene, diakinesis), crossing over
Significance: Genetic variation, gamete formation

Unit 4: Plant Physiology ⭐ HIGH-YIELD (8-10 Questions)

Chapter 11: Transport in Plants

Expected: 2-3 Questions

Means of Transport: Diffusion, facilitated diffusion, active transport
Plant-Water Relations: Water potential, osmosis, plasmolysis
Long Distance Transport: Apoplast, symplast pathways
Absorption of Water: Root pressure, transpiration pull
Transpiration: Stomatal, cuticular, lenticular; factors affecting
Translocation: Mass flow hypothesis, pressure flow model

Chapter 12: Mineral Nutrition

Expected: 1-2 Questions

Essential Elements: Macro (C, H, O, N, P, K, S, Mg, Ca) and micronutrients
Deficiency Symptoms: Chlorosis, necrosis, stunted growth
Nitrogen Metabolism: Nitrogen cycle, biological nitrogen fixation
Nitrogen Fixation: Symbiotic (Rhizobium), free-living (Azotobacter)

Chapter 13: Photosynthesis in Higher Plants ⭐ HIGHEST-YIELD

Expected: 3-4 Questions

Photosynthesis Site: Chloroplast structure, thylakoid, stroma
Pigments: Chlorophyll a, b, carotenoids, xanthophylls
Light Reaction: PS I (P700), PS II (P680), Z-scheme, cyclic/non-cyclic photophosphorylation
Dark Reaction (Calvin Cycle): Carboxylation, reduction, regeneration
C3 Pathway: RuBisCO, 3-PGA formation
C4 Pathway: Kranz anatomy, PEPcase, bundle sheath cells
CAM Pathway: Succulents, temporal separation
Photorespiration: C2 cycle, oxygenase activity of RuBisCO
Factors: Light, CO₂, temperature, water

Chapter 14: Respiration in Plants ⭐

Expected: 2-3 Questions

Glycolysis: Cytoplasm, glucose → 2 pyruvate, net 2 ATP, 2 NADH
Aerobic Respiration: Mitochondria, complete oxidation
Krebs Cycle (TCA): Acetyl CoA → CO₂, 2 ATP, 6 NADH, 2 FADH₂
ETC: NADH → 3 ATP, FADH₂ → 2 ATP, total 36-38 ATP
Fermentation: Alcoholic (yeast), lactic acid (muscles)
RQ: Respiratory quotient = CO₂ released/O₂ consumed

Chapter 15: Plant Growth & Development

Expected: 1-2 Questions

Growth: Arithmetic, geometric; phases (lag, log, stationary)
Plant Hormones:
- Auxins: Cell elongation, apical dominance
- Gibberellins: Stem elongation, bolting, seed germination
- Cytokinins: Cell division, delay senescence
- Ethylene: Fruit ripening, abscission
- ABA: Stress hormone, stomatal closure, dormancy
Photoperiodism: Short-day, long-day, day-neutral plants
Vernalization: Cold treatment for flowering

3. Class 12 Biology - Botany Chapters

Unit 5: Reproduction ⭐ HIGH-YIELD (6-8 Questions)

Chapter 16: Reproduction in Organisms

Expected: 1-2 Questions

Asexual Reproduction: Fission, budding, fragmentation, spore formation, vegetative propagation
Sexual Reproduction: Phases - pre-fertilization, fertilization, post-fertilization
Events: Gametogenesis, gamete transfer, fertilization

Chapter 17: Sexual Reproduction in Flowering Plants ⭐ HIGHEST-YIELD

Expected: 3-4 Questions

Flower Structure: Microsporangium, megasporangium
Microsporogenesis: Pollen grain development, 2-celled/3-celled pollen
Megasporogenesis: Embryo sac development (7 cells, 8 nuclei)
Pollination: Self vs cross, agents (wind, water, insects, animals)
Outbreeding Devices: Dichogamy, self-incompatibility
Double Fertilization: Syngamy + triple fusion (unique to angiosperms)
Post-fertilization: Endosperm development, embryo development
Seed & Fruit: Structure, dormancy, dispersal
Apomixis & Polyembryony: Asexual seed formation

Unit 6: Genetics & Evolution ⭐ HIGHEST-YIELD (10-12 Questions)

Chapter 18: Principles of Inheritance & Variation ⭐ CRITICAL

Expected: 5-6 Questions

Mendel's Laws:
- Law of Dominance: F1 shows dominant trait
- Law of Segregation: Alleles separate during gamete formation
- Law of Independent Assortment: Genes on different chromosomes assort independently
Monohybrid Cross: 3:1 ratio, test cross
Dihybrid Cross: 9:3:3:1 ratio
Deviations: Incomplete dominance (1:2:1), codominance (ABO blood groups), multiple alleles
Linkage: Complete vs incomplete, crossing over, recombination frequency
Sex Determination: XX-XY, XX-XO, ZW-ZZ systems
Sex-Linked Inheritance: Hemophilia, color blindness
Chromosomal Disorders:
- Aneuploidy: Down's (47, +21), Turner's (45, XO), Klinefelter's (47, XXY)
- Mendelian disorders: Sickle cell anemia, phenylketonuria, thalassemia

Chapter 19: Molecular Basis of Inheritance ⭐ CRITICAL

Expected: 4-5 Questions

DNA Structure: Watson-Crick model, antiparallel strands, base pairing (A-T, G-C)
DNA Packaging: Nucleosome, chromatin, chromosomes
Replication: Semi-conservative, enzymes (helicase, DNA polymerase, ligase), leading/lagging strand
Transcription: RNA polymerase, promoter, terminator, processing (capping, tailing, splicing)
Genetic Code: Triplet, degenerate, universal, non-overlapping
Translation: Initiation, elongation, termination; ribosome, tRNA, mRNA
Regulation: Lac operon (inducible), structural genes, operator, regulator
Human Genome Project: Goals, methodology, findings
DNA Fingerprinting: VNTR, STR, applications

Chapter 20: Evolution

Expected: 2-3 Questions

Origin of Life: Chemical evolution, Oparin-Haldane hypothesis, Miller-Urey experiment
Evidences: Paleontological, comparative anatomy (homology, analogy), embryological, molecular
Darwin's Theory: Natural selection, survival of fittest
Modern Synthetic Theory: Genetic variation, natural selection, genetic drift, gene flow
Hardy-Weinberg Principle: p² + 2pq + q² = 1, conditions for equilibrium
Types of Selection: Stabilizing, directional, disruptive
Speciation: Allopatric, sympatric, reproductive isolation
Human Evolution: Dryopithecus → Australopithecus → Homo habilis → H. erectus → H. sapiens

4. Class 12 Biology - Zoology Chapters

Unit 7: Human Physiology ⭐ HIGHEST-YIELD (12-15 Questions)

Chapter 21: Digestion & Absorption ⭐

Expected: 2-3 Questions

Alimentary Canal: Mouth → pharynx → esophagus → stomach → small intestine → large intestine
Digestive Glands: Salivary, gastric, liver, pancreas, intestinal
Enzymes: Amylase, pepsin, trypsin, lipase
Absorption: Villi, microvilli, active and passive transport
Disorders: Jaundice, vomiting, diarrhea, constipation, indigestion

Chapter 22: Breathing & Exchange of Gases ⭐

Expected: 2-3 Questions

Respiratory Organs: Nasal cavity → pharynx → larynx → trachea → bronchi → lungs
Mechanism: Inspiration (diaphragm contracts), expiration (diaphragm relaxes)
Lung Volumes: TV, IRV, ERV, RV, VC, TLC
Gas Exchange: Diffusion across alveolar membrane
Transport: O₂ (hemoglobin, oxyhemoglobin), CO₂ (carbaminohemoglobin, bicarbonate)
Regulation: Respiratory center, chemoreceptors
Disorders: Asthma, emphysema, occupational respiratory diseases

Chapter 23: Body Fluids & Circulation ⭐

Expected: 2-3 Questions

Blood: Plasma (55%), formed elements (45%)
Blood Groups: ABO system, Rh factor, transfusion compatibility
Coagulation: Clotting factors, fibrinogen → fibrin
Heart: 4 chambers, valves, SA node, AV node, Purkinje fibers
Cardiac Cycle: Systole, diastole, cardiac output
ECG: P wave, QRS complex, T wave
Circulatory Pathways: Pulmonary, systemic circulation
Disorders: Hypertension, coronary artery disease, heart failure

Chapter 24: Excretory Products & Their Elimination ⭐

Expected: 2-3 Questions

Excretory Organs: Kidneys, ureters, bladder, urethra
Nephron: Bowman's capsule, PCT, loop of Henle, DCT, collecting duct
Urine Formation: Glomerular filtration, tubular reabsorption, tubular secretion
Countercurrent Mechanism: Concentration of urine
Regulation: ADH, aldosterone, ANF, JG apparatus
Disorders: Uremia, renal failure, renal calculi, dialysis

Chapter 25: Locomotion & Movement

Expected: 1-2 Questions

Types of Movement: Amoeboid, ciliary, muscular
Skeletal System: Axial (skull, vertebral column, ribs), appendicular (limbs, girdles)
Joints: Fibrous, cartilaginous, synovial
Muscle Types: Skeletal, smooth, cardiac
Muscle Contraction: Sliding filament theory, actin-myosin interaction, role of Ca²⁺
Disorders: Myasthenia gravis, muscular dystrophy, osteoporosis, arthritis

Chapter 26: Neural Control & Coordination ⭐

Expected: 3-4 Questions

Neuron: Cell body, dendrites, axon, myelin sheath
Nerve Impulse: Resting potential, action potential, depolarization, repolarization
Synapse: Synaptic transmission, neurotransmitters
CNS: Brain (cerebrum, cerebellum, medulla), spinal cord
PNS: Somatic, autonomic (sympathetic, parasympathetic)
Reflex Arc: Receptor → sensory neuron → CNS → motor neuron → effector
Sensory Reception: Eye structure, ear structure, mechanism of vision and hearing

Chapter 27: Chemical Coordination & Integration

Expected: 2-3 Questions

Endocrine Glands: Hypothalamus, pituitary, thyroid, parathyroid, adrenal, pancreas, gonads
Hormones: Mechanism of action (steroid vs peptide)
Hypothalamus-Pituitary Axis: Releasing/inhibiting hormones
Feedback Mechanism: Positive and negative feedback
Disorders: Diabetes, goiter, dwarfism, gigantism, Addison's disease

Unit 8: Reproduction ⭐ HIGH-YIELD (6-8 Questions)

Chapter 28: Human Reproduction ⭐ CRITICAL

Expected: 3-4 Questions

Male Reproductive System: Testes, epididymis, vas deferens, seminal vesicles, prostate, penis
Spermatogenesis: Spermatogonia → spermatocytes → spermatids → spermatozoa
Female Reproductive System: Ovaries, fallopian tubes, uterus, vagina
Oogenesis: Oogonia → primary oocyte → secondary oocyte → ovum
Menstrual Cycle: Menstrual phase, follicular phase, ovulatory phase, luteal phase
Hormonal Control: GnRH, FSH, LH, estrogen, progesterone
Fertilization: Capacitation, acrosomal reaction, cortical reaction
Implantation: Blastocyst attachment to endometrium
Embryonic Development: Cleavage, gastrulation, organogenesis
Parturition: Labor, oxytocin, relaxin
Lactation: Prolactin, colostrum

Chapter 29: Reproductive Health

Expected: 1-2 Questions

Population Control: RCH programs, awareness
Contraception: Natural, barrier, IUDs, oral, surgical
STDs: Gonorrhea, syphilis, AIDS, hepatitis B
Infertility: IVF, GIFT, ZIFT, ICSI
Amniocentesis: Prenatal diagnosis, legal issues

Unit 9: Biology & Human Welfare

Chapter 30: Human Health & Disease ⭐

Expected: 2-3 Questions

Pathogens: Bacteria, viruses, fungi, protozoans, helminths
Diseases: Typhoid, pneumonia, common cold, malaria, amoebiasis, ascariasis
Immunity: Innate (non-specific), acquired (specific)
Acquired Immunity: Active (natural, artificial), passive (natural, artificial)
Lymphoid Organs: Primary (bone marrow, thymus), secondary (spleen, lymph nodes)
AIDS: HIV structure, transmission, replication, prevention
Cancer: Oncogenes, tumor suppressor genes, metastasis
Drugs & Alcohol: Opioids, cannabinoids, cocaine, effects, addiction

Chapter 31: Strategies for Enhancement in Food Production

Expected: 1-2 Questions

Animal Husbandry: Dairy, poultry, fisheries, bee-keeping
Plant Breeding: Selection, hybridization, mutation breeding
Single Cell Protein: Spirulina, mushrooms
Tissue Culture: Micropropagation, somaclones

Chapter 32: Microbes in Human Welfare

Expected: 1-2 Questions

Household Products: Curd, bread, cheese, alcoholic beverages
Industrial Products: Antibiotics, chemicals, enzymes
Sewage Treatment: Primary, secondary, tertiary treatment
Biogas Production: Methanogens, gobar gas
Biocontrol Agents: Bacillus thuringiensis, baculoviruses
Biofertilizers: Rhizobium, Azospirillum, mycorrhiza

Unit 10: Biotechnology ⭐ HIGH-YIELD (4-6 Questions)

Chapter 33: Biotechnology - Principles & Processes ⭐

Expected: 2-3 Questions

Genetic Engineering: Gene cloning, rDNA technology
Tools: Restriction enzymes (molecular scissors), DNA ligase, vectors (plasmids, bacteriophages)
Process: Isolation of DNA → fragmentation → ligation → transfer to host → selection
PCR: Denaturation, annealing, extension; Taq polymerase
Gel Electrophoresis: DNA separation, EtBr staining
Bioreactors: Stirred tank, sparged tank

Chapter 34: Biotechnology & Its Applications ⭐

Expected: 2-3 Questions

GM Crops: Bt cotton (Cry proteins), Golden rice (β-carotene)
Transgenic Animals: Applications in medicine, research
Gene Therapy: Somatic vs germline, ADA deficiency treatment
Molecular Diagnosis: PCR, ELISA, autoradiography
Biopiracy: Traditional knowledge, patents
Bioethics: GMO concerns, biosafety guidelines

Unit 11: Ecology ⭐ HIGH-YIELD (6-8 Questions)

Chapter 35: Organisms & Populations

Expected: 2-3 Questions

Ecology: Levels of organization (organism → biosphere)
Adaptations: Morphological, physiological, behavioral
Population Attributes: Density, natality, mortality, age distribution
Population Growth: Exponential (J-curve), logistic (S-curve), carrying capacity
Population Interactions: Mutualism, competition, predation, parasitism, commensalism, amensalism

Chapter 36: Ecosystem ⭐

Expected: 2-3 Questions

Structure: Biotic (producers, consumers, decomposers), abiotic components
Productivity: GPP, NPP, secondary productivity
Decomposition: Fragmentation, leaching, catabolism, humification, mineralization
Energy Flow: Unidirectional, 10% law, food chains, food webs
Ecological Pyramids: Number, biomass, energy (always upright)
Ecological Succession: Primary, secondary; seral stages, climax community
Nutrient Cycling: Carbon cycle, phosphorus cycle

Chapter 37: Biodiversity & Conservation

Expected: 1-2 Questions

Biodiversity: Genetic, species, ecosystem diversity
Patterns: Latitudinal gradients, species-area relationship
Loss of Biodiversity: Habitat loss, overexploitation, invasive species, pollution
Conservation: In-situ (national parks, sanctuaries), ex-situ (zoos, seed banks)
Hotspots: Western Ghats, Eastern Himalayas

Chapter 38: Environmental Issues

Expected: 1-2 Questions

Air Pollution: Particulates, SPM, sources, effects
Water Pollution: BOD, eutrophication, biomagnification
Solid Waste: Management, sanitary landfills
Ozone Depletion: CFCs, ozone hole, UV effects
Greenhouse Effect: CO₂, methane, global warming
Deforestation: Causes, effects, reforestation

5. Chapter-Wise Weightage Summary

Chapter/Topic	Questions	Priority
Genetics (Inheritance + Molecular)	8-10	⭐⭐⭐⭐⭐
Human Physiology (All)	12-15	⭐⭐⭐⭐⭐
Human Reproduction	3-4	⭐⭐⭐⭐⭐
Plant Physiology (All)	8-10	⭐⭐⭐⭐⭐
Cell Biology & Division	5-6	⭐⭐⭐⭐⭐
Biotechnology	4-6	⭐⭐⭐⭐
Ecology & Environment	6-8	⭐⭐⭐⭐
Animal Kingdom	4-5	⭐⭐⭐⭐
Plant Kingdom & Classification	4-5	⭐⭐⭐⭐
Sexual Reproduction in Plants	3-4	⭐⭐⭐⭐
Biomolecules	2-3	⭐⭐⭐
Evolution	2-3	⭐⭐⭐
Human Health & Disease	2-3	⭐⭐⭐
Morphology & Anatomy	3-5	⭐⭐⭐

6. Biology Preparation Strategy

The NCERT Rule

80-85% of Biology questions come directly from NCERT. If you can revise NCERT 5-6 times, you can comfortably score 320-340 marks in Biology alone.

Phase-wise Preparation

Phase 1: Foundation (Days 1-50)

Read NCERT Class 11 & 12 thoroughly, line by line
Understand diagrams - NEET asks direct diagram-based questions
Make short notes for quick revision
Focus on terminology and definitions

Phase 2: Strengthening (Days 51-100)

Solve NCERT exemplar problems
Practice previous year questions (2015-2025)
Focus on high-yield chapters: Genetics, Human Physiology, Ecology
Target 50-100 MCQs daily

Phase 3: Mastery (Days 101-150)

Take full-length mock tests weekly
Revise NCERT diagrams and flowcharts
Focus on weak areas identified in mocks
Final 2 weeks: Only revision, no new topics

Subject-wise Tips

Botany (45 Questions)

Plant Kingdom and Classification - Memorize characteristics
Plant Physiology - Understand processes (photosynthesis, respiration)
Genetics - Practice Mendelian crosses extensively
Ecology - Focus on cycles, pyramids, succession

Zoology (45 Questions)

Human Physiology - Most scoring, 20-21% weightage
Animal Kingdom - Learn phylum characteristics systematically
Human Reproduction - Detailed understanding of cycles
Biotechnology - Understand techniques and applications

Essential Resources

NCERT Class 11 & 12 - Primary and most important source
NCERT Exemplar - Application-based questions
Previous Year Papers (10 years) - Must solve all
MTG/Trueman Biology - Additional practice (optional)

Conclusion

Biology is the most scoring subject in NEET and should be your strongest area. Key success factors:

Master NCERT completely - Read every line, memorize diagrams
Focus on high-yield topics - Genetics, Human Physiology, Ecology
Revise 5-6 times - Spaced repetition for retention
Practice 2000+ MCQs - Build accuracy and speed
Take 30+ mock tests - Simulate exam conditions

Target Score: 320-340/360 is achievable with thorough NCERT + 10 years PYQs + 25 mock tests