GATE Syllabus

GATE 2021 syllabus – BM: Biomedical Engineering 

GATE 2021 syllabus for Biomedical Engineering (BM) gives you details of the latest GATE syllabus for the subject release by the official gate organizing institute IIT Bombay for the year 2021. We also created an easy to use ad-free mobile app for GATE syllabus, previous year papers with keys, gate calculator, virtual calculator, and more. Download iStudy App for all GATE preparation needs.

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GATE 2021 Syllabus – Biomedical Engineering (BM)

Section 1 – Engineering Mathematics

Linear Algebra
Matrix algebra, systems of linear equations, Eigenvalues and Eigenvectors.

Mean value theorems, theorems of integral calculus, partial derivatives, maxima and minima, multiple integrals, Fourier series, vector identities, line, surface and volume integrals, Stokes, Gauss and Green’s theorems.

Differential equations
First order linear and nonlinear differential equations, higher order linear differential equations with constant coefficients, method of separation of variables, Cauchy’s and Euler’s equations, initial and boundary value problems, solution of partial differential equations.

Analysis of complex variables
Analytic functions, Cauchy’s integral theorem and integral formula, Taylor’s and Laurent’s series, residue theorem.

Probability and Statistics
Sampling theorems, conditional probability, mean, median, mode and standard deviation, random variables, discrete and continuous distributions: normal, Poisson and binomial distributions. Tests of Significance, statistical power analysis, and sample size estimation. Linear Regression and correlation analysis;

Numerical Methods
Matrix inversion, numerical solutions of nonlinear algebraic equations, iterative methods for solving differential equations, numerical integration.

Section 2 – Electrical Circuits

Voltage and current sources – independent, dependent, ideal and practical
v-i relationships of resistor, inductor and capacitor; transient analysis of RLC circuits with de excitation;

Kirchoffs laws, superposition, Thevenin, Norton, maximum power transfer and reciprocity theorems
Peak, average and rms values of ac quantities; apparent, active and reactive powers; phasor analysis, impedance and admittance; series and parallel resonance, realization of basic filters with R, L and C elements, Bode plot.

Section 3 – Signals and Systems

Continuous and Discrete Signal and Systems – Periodic, aperiodic and impulse signals
Sampling theorem; Laplace and Fourier transforms; impulse response of systems; transfer function, frequency response of first and second order linear time invariant systems, convolution, correlation. Discrete time systems – impulse response, frequency response, DFT, Z – transform; basics of IIR and FIR filters.

Section 4 – Analog and Digital Electronics

Basic characteristics and applications of diode, BJT and MOSFET
Characteristics and applications of operational amplifiers – difference amplifier, adder, subtractor, integrator, differentiator, instrumentation amplifier, buffer, filters and waveform generators.

Number systems, Boolean algebra
combinational logic circuits – arithmetic circuits, comparators, Schmitt trigger, encoder/decoder, MUX/DEMUX, multi-vibrators; Sequential circuits – latches and flip flops, state diagrams, shift registers and counters; Principles of ADC and DAC; Microprocessor- architecture, interfacing memory and input- output devices.

Section 5 – Measurements and Control Systems

SI units, systematic and random errors in measurement, expression of uncertainty -accuracy and precision index, propagation of errors
PMMC, MI and dynamometer type instruments; de potentiometer; bridges for measurement of R, Land C, Q-meter. Basics of control system – transfer function.

Section 6 – Sensors and Bioinstrumentation

Sensors – resistive, capacitive, inductive, piezoelectric, Hall effect, electro chemical, optical
Sensor signal conditioning circuits; application of LASER in sensing and therapy. Origin of biopotentials and their measurement techniques- ECG, EEG, EMG, ERG, EOG, GSR, PCG, Principles of measuring blood pressure, body temperature, volume and flow in arteries, veins and tissues, respiratory measurements and cardiac output measurement.

Operating principle of medical equipment -sphygmomanometer, ventilator, cardiac pacemaker, defibrillator, pulse oximeter, hemodialyzer
Electrical Isolation (optical and electrical) and Safety of Biomedical Instruments.

Section 7 – Human Anatomy and Physiology

Basics of cell, types of tissues and organ systems
Homeostasis; Basics of organ systems -musculoskeletal, respiratory, circulatory, excretory, endocrine, nervous, gastro-intestinal and reproductive.

Section 8 – Medical Imaging Systems

Basic physics, Instrumentation and image formation techniques in medical imaging modalities such as X-Ray, Computed Tomography, Single Photon Emission Computed Tomography, Positron Emission Tomography, Magnetic Resonance Imaging, Ultrasound.

Section 9 – Biomechanics

Kinematics of muscles andjoints – free-body diagrams and equilibrium, forces and stresses in joints, biomechanical analysis of joints, Gait analysis
Hard Tissues – Definition of Stress and Strain, Deformation Mechanics, structure and mechanical properties of bone -cortical and cancellous bones; Soft Tissues – Structure, functions, material properties, viscoelastic properties, Maxwell & Voight models; Biofluid mechanics – Flow properties of blood in the intact human cardiovascular system.

Section 10 – Biomaterials

Basic properties of biomaterials – Metallic, Ceramic, Polymeric and Composite
Fundamental characteristics of implants – biocompatibility, bioactivity, biodegradability; Basics of drug delivery; Basics of tissue engineering. Biomaterial characterization techniques – Rheology, Atomic Force Microscopy, Electron Microscopy, Transmission Electron Microscopy Fourier Transform Infrared Spectroscopy.

GENERAL APTITUDE (Common for all branches)

Verbal Aptitude

Basic English Grammar
Tenses, articles, adjectives, prepositions, conjunctions, verb-noun agreement, and other parts of speech

Basic Vocabulary
Words, idioms, and phrases in context

Reading and Comprehension

Narrative Sequencing

Quantitative Aptitude

Data Interpretation
Data graphs (bar graphs, pie charts, and other graphs representing data), 2- and 3-dimensional plots, maps, and tables

Numerical Computation and Estimation
Ratios, percentages, powers, exponents and logarithms, permutations and combinations, and series

Mensuration and Geometry

Elementary Statistics and Probability

Analytical Aptitude

Deduction and Induction


Numerical Relations and Reasoning

Spatial Aptitude

Transformation of Shapes
Translation, rotation, scaling, mirroring, assembling, and grouping

Paper folding, cutting, and patterns in 2 and 3 dimensions

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