Laws of Motion
Newton's three laws, free-body diagrams, friction, circular motion dynamics and pseudo forces — the backbone of all mechanics problem solving.
14 min read · Weightage 4–5% (2–3 questions in NEET, 1–2 in JEE Main)
NEET-UG Self Study
NCERT-anchored chapter notes and 30-question chapter tests for NEET-UG Physics, Chemistry and Biology.
Physics
Work, Energy and Power
Work done by constant and variable forces, work-energy theorem, conservative forces, potential energy curves, collisions and power — the fastest route to solving mechanics problems without kinematics.
13 min read · Weightage 4–5% (2–3 questions in NEET, 1–2 in JEE Main)
Current Electricity
Ohm's law, drift velocity, resistivity, series-parallel networks, Kirchhoff's rules, Wheatstone bridge, potentiometer and cell combinations — the highest-yield electricity chapter for both exams.
15 min read · Weightage 6–7% (3–4 questions in NEET, 2–3 in JEE Main)
Ray Optics and Optical Instruments
Reflection at plane and spherical mirrors, refraction, total internal reflection, prisms, thin lenses, lens combinations and the optical instruments built from them — a high-scoring, formula-driven chapter where sign convention decides your marks.
18 min read · Weightage 5–6% (3–4 questions in NEET, 1–2 in JEE Main)
Electrostatics
Coulomb's law, electric field and potential, dipoles, Gauss's law with symmetry, conductors, capacitance and dielectrics — a chapter where choosing the right symmetry converts a page of integration into a one-line answer.
20 min read · Weightage 8–9% (3–4 questions in NEET, 2–3 in JEE Main)
Chemistry
Some Basic Concepts of Chemistry
Mole concept, stoichiometry, limiting reagent, concentration terms and empirical/molecular formulae — the calculation base of all physical chemistry.
12 min read · Weightage 3–4% (1–2 questions every year in both NEET and JEE Main)
Chemical Bonding and Molecular Structure
Ionic and covalent bonding, VSEPR geometry, hybridisation, molecular orbital theory, bond parameters, dipole moment and hydrogen bonding — the most frequently examined inorganic-physical crossover chapter.
16 min read · Weightage 6–8% (3–4 questions in NEET, 2–3 in JEE Main)
Thermodynamics and Thermochemistry
System and surroundings, internal energy and enthalpy, the first law, heat capacities, Hess's law, bond enthalpies, entropy, Gibbs energy and spontaneity — the chapter that connects physical chemistry to equilibrium and electrochemistry.
17 min read · Weightage 5–7% (2–3 questions in NEET, 2 in JEE Main)
Chemical Kinetics
Rate of reaction, rate laws and order, integrated rate equations, half-life, the Arrhenius equation, collision theory and catalysis — a compact, highly formula-driven chapter that reliably delivers full marks with practice.
16 min read · Weightage 4–5% (2 questions in NEET, 1–2 in JEE Main, 7 marks in CBSE XII)
Biology
Cell — The Unit of Life
Cell theory, prokaryotic vs eukaryotic organisation, and the structure–function map of every cell organelle — a guaranteed NEET scoring chapter.
15 min read · Weightage 5–6% (3–4 questions in NEET every year)
Principles of Inheritance and Variation
Mendelian genetics, deviations from Mendelism, chromosomal theory, linkage, sex determination, pedigree analysis and genetic disorders — consistently one of the top-scoring NEET Genetics chapters.
16 min read · Weightage 7–8% (4–5 questions every year in NEET)
Body Fluids and Circulation
Composition of blood and lymph, blood groups and coagulation, human heart structure, the cardiac cycle, ECG, double circulation and circulatory disorders — a pure NCERT-recall chapter that reliably contributes 2–3 NEET questions.
16 min read · Weightage 3–4% (2–3 questions in NEET)
Cell Cycle and Cell Division
Interphase checkpoints, mitosis phase by phase, the two divisions of meiosis and the significance of each — a short, factual chapter that NEET mines every single year for one or two direct questions.
15 min read · Weightage 3–4% (1–2 questions in NEET almost every year)