IIT JAM Biotechnology Important Topics 2026 – Section-Wise Strategy & Topic Breakdown

• Cell types: Prokaryotic vs. Eukaryotic cells

• Organelles: Structure and function of mitochondria, ER, Golgi, nucleus

• Membrane biology: Fluid mosaic model, membrane transport (active/passive), ion channels

• Signaling mechanisms: G-proteins, second messengers (cAMP, IP3), endocrine/paracrine pathways

Molecular Biology

• Genetic material: DNA/RNA structure, Watson-Crick model

• Central Dogma: DNA replication (enzymes, origin of replication), transcription (initiation to termination), translation (ribosome structure, tRNA, codon usage)

• Gene regulation: Lac operon, trp operon, enhancers, silencers

• Techniques: PCR, gel electrophoresis, DNA cloning, CRISPR basics

Biochemistry

• Biomolecules: Carbohydrates, proteins, lipids, nucleic acids – structure & functions

• Enzymology: Enzyme-substrate complex, Michaelis-Menten kinetics, inhibitors

• Metabolism: Glycolysis, TCA cycle, ETC, beta-oxidation, gluconeogenesis, urea cycle

Genetics

• Classical Genetics: Mendel’s laws, mono/dihybrid crosses, test crosses

• Linkage and Recombination: Chromosomal theory, recombination frequency

• Human Genetics: Karyotyping, genetic disorders (Down syndrome, Turner syndrome)

• Population Genetics: Hardy-Weinberg equilibrium, genetic drift, selection

Microbiology

• Classification: Bacteria, viruses, fungi, protozoa

• Bacterial growth curve, sterilization methods

• Immunity: Innate vs. acquired immunity, vaccines, antigen-antibody interaction

Developmental Biology

• Gametogenesis: Spermatogenesis and oogenesis

• Fertilization: Species-specific mechanisms

• Model organisms: Drosophila, C. elegans – pattern formation and axis development

Physiology (Plant & Animal)

• Plant: Photosynthesis (light & dark reactions), respiration, water transport, hormones

• Animal: Circulatory, nervous, muscular, respiratory systems; hormone regulation

Section B: Chemistry – Foundation for Biotech Applications

Chemistry helps in understanding biochemical reactions, drug design, and molecular structures.

Key Topics in Detail:

Organic Chemistry

• Functional groups: Alcohols, aldehydes, ketones, carboxylic acids, amines

• Reactions: SN1, SN2, E1, E2 mechanisms; Aldol condensation, Cannizzaro reaction

• Biomolecules: Amino acids, peptides, nucleotides, lipids – basic structure & reactivity

• Stereochemistry: Chiral molecules, R/S configuration, optical activity

Physical Chemistry

• Chemical kinetics: Rate laws, order of reaction, Arrhenius equation

• Thermodynamics: First & second law, enthalpy, entropy, Gibbs free energy

• Solutions: Concentration terms, Raoult's Law, colligative properties

Inorganic Chemistry

• Periodic properties: Trends in atomic size, ionization energy, electronegativity

• Chemical bonding: VSEPR theory, hybridization, molecular orbital theory

• Coordination chemistry: Nomenclature, isomerism, crystal field theory

Section C: Mathematics – Logical & Quantitative Reasoning

Math is relatively basic but essential for handling calculations and logic-based MCQs.

Key Topics in Detail:

• Calculus: Limits, continuity, differentiation, integration (basic formulas)

• Differential equations: First and second-order linear equations

• Matrices & Determinants: Inverse, rank, eigenvalues

• Probability: Basic rules, Bayes’ theorem, binomial distribution

• Statistics: Mean, variance, standard deviation

• Algebra: Permutations, combinations, binomial theorem

Section D: Physics – Conceptual Understanding Required

Physics questions test your basic understanding of mechanics, electricity, and thermodynamics.

Key Topics in Detail:

• Mechanics: Newton’s laws, friction, circular motion, work-energy theorem

• Thermodynamics: Heat, temperature, laws of thermodynamics, entropy

• Waves and Oscillations: Simple harmonic motion, resonance, sound waves

• Electrostatics: Coulomb’s law, electric field & potential, capacitors

• Current Electricity: Ohm’s law, resistors, circuits

• Modern Physics: Photoelectric effect, atomic models (Bohr’s), nuclear physics basics

• Units and Dimensions: Dimensional analysis, error analysis

Suggested Preparation Strategy

Pro Tips for JAM BT 2026

• Begin with NCERTs (11th & 12th) for Biology and Chemistry to build conceptual clarity.

• Use standard reference books like:

• Lehninger for Biochemistry

• Lodish for Cell Biology

• Griffiths for Genetics

• OP Tandon for Chemistry

• Create a revision timetable for last 2 months before the exam.

• Join online test series or structured coaching to get expert feedback.

Downloadable Resources

JAM BT 2026 Syllabus PDF