NEET 2026 Code 11 - Topic-Wise Analysis

⚡ PHYSICS — 45 Questions 24 Topics

Easy: ~20 QsMedium: ~20 QsHard: ~5 Qs

▶ 🔧 Mechanics11 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Kinematics	Velocity-time graphs (vertical throw)	15	Easy
Kinematics	Free fall & reaction time (s=½gt²)	26	Easy
Laws of Motion	Static friction & max acceleration	11	Easy
Laws of Motion	Resultant force (mutually perpendicular)	22	Easy
Work, Energy & Power	Power of crane (P=mgh/t)	24	Easy
Rotational Motion	Angular speed & revolutions (ω avg)	4	Easy
Rotational Motion	Moment of inertia of ring (parallel axis)	35	Hard
Gravitation	Work done to raise mass (ΔU, g=GM/R²)	13	Medium
Mech. Prop. of Solids	Elastic moduli matching (Y, B, K, σ)	2	Medium
Mech. Prop. of Fluids	Pressure at depth (P=P₀+hρg)	44	Easy
Oscillations	Simple pendulum — KE variation with t	5	Medium
	Pendulum — total energy & v_max	16	Easy
	Pendulum — effective length from T	33	Easy
Waves	Travelling harmonic wave — phase difference	21	Medium

▶ 🔥 Thermodynamics1 Q

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
First Law	Internal energy change (ΔU=q−w)	34	Easy

▶ ⚡ Electromagnetism15 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Electrostatic Potential & Capacitance	Capacitor networks (series-parallel)	12	Medium
	Energy loss in capacitor sharing	23	Medium
	Conductors in electrostatics (E=0 inside)	41	Easy
Current Electricity	Diode circuits & equivalent resistance	3	Hard
	Terminal voltage (V=E−Ir)	6	Easy
	Wheatstone bridge & current	27	Hard
	Power consumed (P=V²/R) with voltage drop	28	Medium
	Meter bridge — interchanging cell & galvanometer	37	Medium
Moving Charges & Magnetism	B at centre of circular coil & magnetic moment	29	Medium
	Galvanometer to ammeter (shunt)	36	Medium
	B-field variation in straight wire (B∝r, B∝1/r)	39	Medium
Electromagnetic Induction	Motional EMF (e=Blv)	30	Medium
Alternating Current	Resonance frequency of LCR circuit	19	Medium
Alternating Current	Peak current timing (t=1/4f)	38	Easy

▶ 🔬 Optics4 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Ray Optics	Prism — minimum deviation (δ=i+e−A)	8	Medium
Ray Optics	Concave lens — ray parallel to principal axis	43	Easy
Wave Optics	YDSE — intensity with path difference λ/3	17	Medium
Wave Optics	Interference/diffraction & energy conservation	20	Easy

▶ 🧪 Modern Physics10 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Dual Nature of Radiation & Matter	Photon energy, de Broglie, Compton matching	9	Easy
Dual Nature of Radiation & Matter	Photoelectric effect — threshold wavelength	42	Medium
Atoms	Hydrogen — radial distance (E=kq²/2r)	10	Medium
Nuclei	Nuclear volume & mass defect statements	31	Easy
Nuclei	Nuclear density & mass number (R=R₀A^⅓)	32	Medium
Semiconductor Electronics	Diode — voltage waveform across D	18	Medium
Semiconductor Electronics	p-n junction — forward bias current	40	Easy
Electromagnetic Waves	EM wave production matching	45	Easy

▶ 📏 Units & Measurements3 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Speed-distance	New unit system (c=1, time conversion)	1	Easy
Significant Figures	Density calculation & rounding	14	Easy
Vernier Callipers	Least count (VSD-MSD method)	25	Easy

🧪 CHEMISTRY — 45 Questions 18 Topics

Easy: ~18 QsMedium: ~23 QsHard: ~4 Qs

▶ 📐 Physical Chemistry19 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Atomic Structure	Quantum numbers → orbital designation	4	Easy
Atomic Structure	Photon count from bulb power	11	Medium
Thermodynamics	ΔG & spontaneity (ΔH=ΔU+ΔnRT)	3	Hard
Thermodynamics	First law — ΔU=q−w (sign convention)	29	Easy
Equilibrium	Solubility product — pH from K_sp	5	Medium
	Buffer pH (pOH=pKb+log[salt]/[base])	33	Medium
	Kp vs Kc (Δn≠0 criterion)	42	Easy
Chemical Kinetics	Order of reaction & rate constant units	9	Easy
	Zero-order — [R] vs t straight line	30	Easy
	Arrhenius — Ea from ln k equation	41	Medium
Electrochemistry	Faraday's law — mass deposited	28	Medium
Electrochemistry	Nernst equation — half-cell EMF	34	Hard
Solutions	Molality & molarity calculations	26	Medium
Solutions	Raoult's law — negative deviation (H-bonding)	44	Easy
States of Matter	Gas stoichiometry (CO₂ + C → 2CO)	39	Medium
Some Basic Concepts	Mole concept — number of H atoms in urea	16	Easy

▶ 🧱 Inorganic Chemistry12 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Periodic Properties	Metallic character trend (P	19	Easy
Periodic Properties	Atomic size, IUPAC naming, diagonal relationship	43	Medium
Chemical Bonding	σ & π bond counting (C₂H₄, C₂H₂, CH₄, NH₃)	14	Easy
	VSEPR — ClF₃ T-shaped geometry	31	Medium
	Formal charge on O atoms in ozone	37	Medium
p-Block Elements	Group 15 — dπ-pπ bonding, catenation	17	Medium
p-Block Elements	Group 16 — O oxidation states, Group 14 catenation	36	Medium
d & f Block Elements	Lanthanoid — Ce⁴⁺ stability (4f⁰ config)	21	Easy
Coordination Chemistry	Isomerism types (geometrical, optical, linkage, solvate)	8	Medium
	Ambidentate ligand (SCN⁻)	18	Easy
	Shapes — square planar, octahedral, tetrahedral, TBP	23	Medium
Magnetic Moment	Spin-only formula (μ=√n(n+2) BM), Ti²⁺	35	Easy

▶ 🧬 Organic Chemistry14 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Nitriles → Amines	Reducing agents (LiAlH₄, H₂/Ni, Na/Hg)	1	Medium
Metamerism	Functional group isomerism in ethers	7	Medium
IUPAC Nomenclature	Naming branched alkanes	10	Easy
Carbonyl Compounds	2,4-DNP test, Fehling's, oxidation to acid	13	Hard
Carbonyl Compounds	Phthalein dye test — phenolic group	24	Easy
Nucleophilic Substitution	AgCN vs KCN — isocyanide formation	15	Medium
Reaction Sequences	Cumene→phenol, ethanoic acid→ethanol, etc.	20	Medium
Reaction Sequences	Propan-1-ol → PCl₅ → elimination → HBr/peroxide	22	Medium
Separation Techniques	Fractional distillation (o/p-nitrotoluene)	25	Medium
Qualitative Analysis	Lassaigne's test (covalent→ionic), acetate test	27,32	Easy
Indicators	Phenolphthalein in acid-base titration	38	Easy
Diazonium Chemistry	Ethylamine → NaNO₂/HCl → ethanol	40	Medium
Hydrocarbons	Steam reforming (CH₄→CO+3H₂), Benzene chlorination	12,45	Easy
Biomolecules	DNA/RNA secondary structure	6	Easy
Transition Metal Catalysis	V₂O₅, Fe, PdCl₂, Ni complex roles	2	Medium

🧬 BIOLOGY — 90 Questions 22 Topics

Easy: ~42 QsMedium: ~42 QsHard: ~6 Qs

▶ 🌿 Diversity & Taxonomy12 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Plant Kingdom	Gymnosperms — naked ovules (Pinus)	2	Easy
Binomial Nomenclature	Rules — genus first, specific epithet second	14	Easy
Five Kingdom Classification	Whittaker's criteria (cell structure, body org., repro., phylogeny)	42	Easy
Animal Kingdom	Frog — sexual dimorphism (vocal sacs, copulatory pads)	56	Easy
	Petromyzon (lamprey) — cartilaginous, parasitic, gill slits	57	Medium
	Osteichthyes — Flying fish, Angel fish, Fighting fish	63	Easy
	Phylum characteristics — Platyhelminthes, Echinodermata, etc.	64	Medium
Animal Physiology — Respiration	Molluscs (branchial), Reptiles (pulmonary), Amphibians (pulm+cutaneous), Amoeba (cellular)	69	Medium
Animal Physiology — Respiration	Flightless birds — Aptenodytes (penguin)	89	Easy
Frog Anatomy	Hepatic portal, cranial nerves, cloaca, sinus venosus	76	Medium

▶ 🔬 Cell Biology & Biomolecules13 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Biomolecules	Protein structure — alpha-helix (secondary)	8	Easy
Biomolecules	Lipids, proteins, polysaccharides, enzymes	33	Easy
Amino Acids	Substituted methanes, valine (neutral), lysine (basic)	36	Easy
Enzyme Classification	Lyases — bond breaking forming C=C	51	Easy
Cell Organelles	Nucleolus — rRNA synthesis	16	Easy
Cell Organelles	Ribosomes — non-membrane bound in prok & euk	65	Easy
Endomembrane System	Mitochondria NOT part, RER has ribosomes, circular DNA	85	Medium
Endomembrane System	Cell membrane — phospholipid bilayer, hydrophobic tails, glycocalyx	86	Medium
Bioactive Molecules	Trypsin, Morphine, Concanavalin A, Collagen	43	Medium
Cell Cycle	G1, S, G2, M phase activities	11	Easy

▶ 🌱 Plant Physiology11 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Photosynthesis	Water splitting — PS II (not PS I), Kranz in C4	21	Medium
	RuBisCO — carboxylation in Calvin cycle	26	Easy
	ATP & NADPH requirement (18 ATP + 12 NADPH per glucose)	27	Medium
Respiration	RQ calculation (CO₂/O₂ for fat ~0.7)	17	Medium
	Glycolysis (cytoplasm), ETS (inner mito. membrane), Krebs (matrix)	38	Medium
	Respiration steps order — ventilation→diffusion→transport→tissue→cellular	48	Medium
Plant Growth Regulators	2,4-D (herbicide), GA3 (brewing), Kinetin (nutrient mobilisation), ABA (stomatal closure)	25	Medium
	Heterophylly — phenotypic plasticity	35	Easy
	Elongation phase — large nuclei NOT characteristic	24	Easy

▶ 🫀 Human Physiology14 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Endocrine System	Cortisol, Aldosterone, Cholecystokinin, Progesterone	46	Medium
Renin-Angiotensin	Sequence: GFR fall→renin→AngII→vasoconstriction→aldosterone→Na+ reabsorption	47	Medium
Neural Control	Neurotransmitter receptors on post-synaptic membrane	52	Easy
Respiratory Volumes	ERV, RV, IRV, TV matching	54	Medium
WBC Count	Eosinophils (2-3%) & Lymphocytes (20-25%) of 8000	60	Medium
Rh Grouping	Erythroblastosis foetalis — Rh⁻ mother, Rh⁺ foetus	67	Medium
Muscle Contraction	Motor neuron→Ca²⁺ release→cross-bridge→sarcomere shortening	71	Medium
Skeletal System	Dicondylic skull, cartilaginous joints, 7 cervical vertebrae	72	Medium
JGA	Distal convoluted tubule + afferent arteriole	74	Easy
Muscular/Skeletal Disorders	Tetany, Arthritis, Myasthenia gravis, Muscular dystrophy	87	Medium

▶ 🧬 Genetics & Evolution15 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Inheritance Patterns	Incomplete dom., Co-dominance, Pleiotropy, Polygenic inheritance	18	Medium
Sex Determination	Honeybees — haplodiploidy (fertilised=female, unfertilised=male)	34	Medium
Blood Groups	ABO inheritance — probability of O blood group (25%)	53	Medium
Sickle Cell Anaemia	Glu→Val at 6th position of β-globin (GAG→GUG)	45,70	Easy
Sex Determination	Grasshopper XO — male=23(XO), female=24(XX)	78	Easy
Gamete Formation	Male honeybees — mitosis for gametes (haploid)	79	Easy
Evolution	Convergent evolution — forelimbs of whales & bats (homologous)	55	Easy
	Evolutionary timeline — Dinosaurs (65mya), Jawless fish (350mya), etc.	58	Medium
	Human evolution — Ramapithecus→H.habilis→H.erectus→Neanderthal→H.sapiens	88	Easy

▶ 🧪 Molecular Biology & Biotechnology18 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Lac Operon	lacZ gene → β-galactosidase	3	Easy
Bioprospecting	Exploring biodiversity for economic products	4	Easy
GMO & Vectors	Bt cotton, Taq polymerase, Ti plasmid, pBR322	5	Medium
PCR	Denaturation→Annealing→Extension	10	Easy
Transcription Unit	Promoter (5'), structural gene, terminator (3')	13	Medium
DNA Fingerprinting	Isolation→digestion→electrophoresis→transfer→hybridisation→autoradiography	19	Medium
DNA Packaging	Histone octamer, lysine/arginine rich, non-histone proteins	20	Medium
Somatic Hybridisation	Cell isolation→wall digestion→protoplast→fusion→regeneration	22	Medium
Restriction Endonucleases	Molecular scissors, palindromic sites, NOT exonuclease	30	Medium
DNA Visualisation	Electrophoresis, ethidium bromide, UV light	44	Easy
pBR322	BamHI insertion → loss of tetracycline resistance	50	Easy
Transgenic Animals	α-1-antitrypsin for emphysema treatment	62	Easy
Bioactive Molecules (Biotech)	Streptokinase, Statins, Lipases, Cyclosporin A	68	Medium
Swiss Cheese	CO₂ by Propionibacterium sharmanii	81	Easy
Bt Toxin Genes	cryIAc (cotton bollworm), cryIAb (corn borer)	82	Medium

▶ 🌍 Ecology & Environment12 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Productivity	GPP, NPP, Secondary productivity definitions	6	Medium
Mass Extinctions	6th extinction — 100-1000× faster than pre-human	7	Easy
Biodiversity Loss	Habitat loss, over-exploitation, alien species, co-extinctions	12	Medium
Decomposition	Decomposition, Detritus, Mineralisation, Humification	15	Medium
In Situ Conservation	Sacred Groves (natural habitat protection)	29	Easy
Evil Quartet	Habitat loss, over-exploitation, alien species, co-extinctions	37	Easy
Logistic Growth	dN/dt = rN((K−N)/K)	66	Easy
Sexual Deceit	Ophrys orchid & bumblebee	75	Easy
Ecological Pyramids	Inverted biomass pyramid in sea	83	Easy
Population Interactions	Mutualism, Parasitism, Amensalism, Commensalism	90	Medium

▶ 🍼 Reproduction (Plant & Human)11 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Plant Reproduction	Microsporogenesis — Sporogenous tissue→PMC→tetrads→pollen	32	Medium
	Triploid cell — Primary endosperm cell (3n)	39	Easy
	Xenogamy — genetically different pollen	40	Easy
	Placentation — Marginal(Pea), Axile(Lemon), Parietal(Mustard), Basal(Marigold)	41	Easy
Human Reproduction	Contraceptives — Progestasert, Multiload 375, Diaphragm, Saheli	59	Medium
	Spermatogenesis — Secondary spermatocyte→meiosis II→spermatids→spermiogenesis	73	Medium
	Embryonic development — 8 weeks limbs, 12 weeks genitalia, 20 weeks movement	77	Medium
	Ovum layers — Corona radiata→Zona pellucida→Perivitelline space→Plasma membrane	80	Easy
GIFT	Ovum transfer into fallopian tube (in vivo fertilization)	84	Easy

▶ 🌸 Plant Anatomy & Morphology8 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Root Anatomy	Root hairs — region of maturation (differentiation)	1	Easy
Bulliform Cells	Leaf rolling to minimise water loss during stress	9	Easy
Conjunctive Tissue	Between xylem & phloem; Casparian strips — suberin	23	Medium
Solanaceae	Floral formula — ⊕ K(5) C(5) A5 G(2)	28	Medium
Racemose Inflorescence	Acropetal succession, indefinite growth	31	Easy

▶ 💊 Human Health & Disease4 Qs

Sub-Topic	Sub-Sub-Topic	Q#	Diff.
Plasmodium Life Cycle	Mosquito→sporozoites→liver→RBCs→gametocytes	49	Medium
Drug Effects	Nicotine, Morphine, Heroin, Cocaine	61	Easy

📊 Analysis generated from NEET 2026 Code 11 Answer Key | Difficulty: Easy ~62% · Medium ~32% · Hard ~6% | Total: 180 Questions across Physics (45), Chemistry (45), Biology (90)

📋 NEET 2026 Code 11 — Topic-Wise Analysis

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