NDA & NA Exam Pattern and Syllabus

An NDA & NA aspirant should have to undergo the following three stages before getting admission at the National Defence Academy.

Stage I: Written Examination

This written test is held by the UPSC, New Delhi twice in a year. The performance of candidates in the written exam determines whether they qualify for the next two rounds of testing by the Services Selection Board.

Application Forms Now Available

The next written NDA & NA (I) exam 2017 will be on 22 April, 2018.

The next written NDA & NA (II) exam 2017 will be on 9 September, 2018.

The written examination is for a total of 900 marks with  two papers (Mathematics & General Ability Test) of 2.5 hours each.

Paper I - Code 01 (300 marks)

Paper II - Code 02 (600 marks)

Mathematics

Part 1 - English (200 marks)

Part 2 - General Knowledge (400 marks)

Section A: Physics (100 marks)

Section B: Chemistry (60 marks)

Section C: General Science (40 marks)

Section D: History, Freedom Movement (80 marks)

Section E: Geography (80 marks)

Section F: Current Events (40 marks)

All questions in both papers will be objective questions. The test booklets for Paper I and Paper II will be bilingual, in Hindi as well as English. Each question will have four choices for the answer. For each wrong answer, a penalty of 0.33 marks (one-third) will be marked. If there is more than one answer, it will be treated as a wrong answer even if one of the answers is correct, and will attract the same penalty as a single wrong answer.

Leaving a question unanswered will not result in a penalty.

NDA & NA Written Examination Result

The UPSC will prepare the candidate list of those who have obtained the minimum marks required to qualify in the written examination as per their discretion. These selected candidates will appear for the Intelligence and Psychological (Personality) Test where they will be assessed on Officers Potentiality (for those who want to join the Army/Navy of the Cadet Entry Scheme for the Indian Naval Academy) and for those who want to join the Air Force, based on Pilot Aptitude Test, along with an Officers Potentiality Test.

Stage II: Intelligence and Personality Test

A two-stage selection procedure based on the Personality and Intelligence Test is conducted at the Selection Centers/ Air Force Selection Boards.

The Intelligence Test includes verbal and non-verbal assessment, and is designed to test the basic intelligence. Group tasks like Group Discussions, Group Planning, Outdoor Group Activities are also conducted, and they will be asked to give brief lectures about a particular subject.

These different types of tests are to judge and gauge the mental capacity and caliber of candidates, of intellect, social characteristics, and knowledge of current affairs.

Only candidates who qualify at the first stage of elimination will be allowed to participate in the next stage. Those who qualify in the second stage must submit their original certificates, along with one photocopy of the following documents:

1. Original Matriculation Pass certificate which supports the date of birth

2. Original 10+2 certificate which supports the educational qualification.

Stage III: Medical Examination

Written Exam Syllabus

Paper-I Mathematics

1. Algebra: Concept of a set, operations on sets, Venn diagrams. De Morgan laws. Cartesian product, relation, equivalence relation. Representation of real numbers on a line. Complex numbers - basic properties, modulus, argument, cube roots of unity. Binary system of numbers. Conversion of a number in decimal system to binary system and vice-versa. Arithmetic, Geometric and Harmonic progressions. Quadratic equations with real coefficients. Solution of linear inequations of two variables by graphs. Permutation and Combination. Binomial theorem and its application. Logarithms and their applications.

2. Matrices and Determinants: Types of matrices, operations on matrices Determinant of a matrix, basic properties of determinant. Adjoint and inverse of a square matrix, Applications - Solution of a system of linear equations in two or three unknowns by Cramer's rule and by Matrix Method.

3. Trigonometry: Angles and their measures in degrees and in radians. Trigonometrical ratios. Trigonometric identities Sum and difference formulae. Multiple and Sub-multiple angles. Inverse trigonometric functions. Applications - Height and distance, properties of triangles.

4. Analytical Geometry of two and three dimensions: Rectangular Cartesian Coordinate system. Distance formula. Equation of a line in various forms. Angle between two lines. Distance of a point from a line. Equation of a circle in standard and in general form. Standard forms of parabola, ellipse and hyperbola. Eccentricity and axis of a conic.

Point in a three dimensional space, distance between two points. Direction Cosines and direction ratios. Equation of a plane and a line in various forms. Angle between two lines and angle between two planes. Equation of a sphere.

5. Differential Calculus: Concept of a real valued function - domain, range and graph of a function. Composite functions, one to one, onto and inverse functions. Notion of limit, Standard limits - examples. Continuity of functions - examples, algebraic operations on continuous functions. Derivative of a function at a point, geometrical and physical interpreatation of a derivative - applications. Derivatives of sum, product and quotient of functions, derivative of a function with respect of another function, derivative of a composite function. Second order derivatives. Increasing and decreasing functions. Application of derivatives in problems of maxima and minima.

6.Integral Calculus and Differential equations: Integration as inverse of differentiation, integration by substitution and by parts, standard integrals involving algebraic expressions, trigonometric, exponential and hyperbolic functions. Evaluation of definite integrals - determination of areas of plane regions bounded by curves - applications. Definition of order and degree of a differential equation, formation of a differential equation by examples. General and particular solution of a differential equation, solution of first order and first degree differential equations of various types - examples. Application in problems of growth and decay.

7. Vector Algebra: Vectors in two and three dimensions, magnitude and direction of a vector. Unit and null vectors, addition of vectors, scalar multiplication of vector, scalar product or dot product of two-vectors. Vector product and cross product of two vectors. Applications-work done by a force and moment of a force, and in geometrical problems.

8. Statistics and Probability:

Statistics: Classification of data, Frequency distribution, cumulative frequency distribution - examples Graphical representation - Histogram, Pie Chart, Frequency Polygon - examples. Measures of Central tendency - mean, median and mode. Variance and standard deviation - determination and comparison. Correlation and regression.

Probability : Random experiment, outcomes and associated sample space, events, mutually exclusive and exhaustive events, impossible and certain events. Union and Intersection of events. Complementary, elementary and composite events. Definition of probability - classical and statistical - examples. Elementary theorems on probability - simple problems. Conditional probability, Bayes' theorem - simple problems. Random variable as function on a sample space. Binomial distribution, examples of random experiments giving rise to Binominal distribution.

Paper-II General Ability Test

Part ‘A’ - ENGLISH (Maximum Marks 200)

The question paper in English will be designed to test the candidate’s understanding of English and workman like use of words. The syllabus covers various aspects like Grammar and usage, vocabulary, comprehension and cohesion in extended text to test the candidate’s proficiency in English.

Part ‘B’ - GENERAL KNOWLEDGE

The question paper on General Knowledge will broadly cover the subjects: Physics, Chemistry, General Science, Social Studies, Geography and Current Events.

The syllabus given below is designed to indicate the scope of these subjects included in this paper. The topics mentioned are not to be regarded as exhaustive and questions on topics of similar nature not specifically mentioned in the syllabus may also be asked. Candidate’s answers are expected to show their knowledge and intelligent understanding of the subject.

Section ‘A’ (Physics) - This section would carry 25% weightage in PART B

  • Physical Properties and States of Matter, Mass, Weight, Volume, Density and Specific Gravity, Principle of Archimedes, Pressure Barometer.
  • Motion of objects, Velocity and Acceleration, Newton’s Laws of Motion, Force and Momentum, Parallelogram of Forces, Stability and Equilibrium of bodies, Gravitation, elementary ideas of work, Power and Energy.
  • Effects of Heat, Measurement of temperature and heat, change of State and Latent Heat, Modes of transference of Heat.
  • Sound waves and their properties, Simple musical instruments.
  • Rectilinear propagation of Light, Reflection and refraction. Spherical mirrors and Lenses. Human Eye.
  • Natural and Artificial Magnets, Properties of a Magnet, Earth as a Magnet.
  • Static and Current Electricity, conductors and Non-conductors, Ohm’s Law, Simple Electrical Circuits, Heating, Lighting and Magnetic effects of Current, Measurement of Electrical Power, Primary and Secondary Cells, Use of X-Rays.
  • General Principles in the working of the following: Simple Pendulum, Simple Pulleys, Siphon, Levers, Balloon, Pumps, Hydrometer, Pressure Cooker, Thermos Flask, Gramophone, Telegraphs, Telephone, Periscope, Telescope, Microscope, Mariner’s Compass; Lightening Conductors, Safety Fuses.

Section ‘B’ (Chemistry) - This section would carry 15% weightage in PART B

  • Physical and Chemical changes. Elements, Mixtures and Compounds, Symbols, Formulae and simple Chemical Equations, Law of Chemical Combination (excluding problems). Properties of Air and Water.
  • Preparation and Properties of Hydrogen, Oxygen, Nitrogen and Carbon dioxide, Oxidation and Reduction.
  • Acids, bases and salts.
  • Carbon - different forms.
  • Fertilizers - Natural and Artificial
  • Material used in the preparation of substances like soap, Glass, Ink, Paper, Cement, Paints, Safety Matches, and Gun-Powder.
  • Elementary ideas about the Structure of Atom, Atomic, Equivalent and Molecular Weights, Valency.

Section ‘C’ (General Science) - This section would carry 10% weightage in PART B

  • Difference between the living and non- living.
  • Basis of Life - Cells, Protoplasms and Tissues.
  • Growth and Reproduction in Plants and Animals.
  • Elementary knowledge of human Body and its important organs.
  • Common Epidemics, their causes and prevention.
  • Food - Source of Energy for man. Constituents of food, Balanced Diet.
  • The Solar System - Meteors and Comets, Eclipses.
  • Achievements of Eminent Scientists.

Section ‘D’ (History, Freedom Movement etc.) - This section would carry 20% weightage in PART B

  • A broad survey of Indian History, with emphasis on Culture and Civilisation.
  • Freedom Movement in India.
  • Elementary study of Indian Constitution and Administration.
  • Elementary knowledge of Five Year Plans of India.
  • Panchayati Raj, Co-operatives and Community Development.
  • Bhoodan, Sarvodaya, National Integration and Welfare State, Basic Teachings of Mahatma Gandhi.
  • Forces shaping the modern world; Renaissance, Exploration and Discovery; War of American Independence. French Revolution, Industrial Revolution and Russian Revolution. Impact of Science and Technology on Society. Concept of one World, United Nations, Panchsheel, Democracy. Socialism and Communism. Role of India in the present world.

Section ‘E’ (Geography) - This section would carry 20% weightage in PART B

  • The Earth, its shape and size. Latitudes and Longitudes, Concept of time. International Date Line. Movements of Earth and their effects.
  • Origin of Earth. Rocks and their classification; Weathering - Mechanical and Chemical, Earthquakes and volcanoes.
  • Ocean Currents and Tides
  • Atmosphere and its composition; Temperature and Atmospheric Pressure, Planetary Winds, cyclones and Anti-cyclones; Humidity; Condensation and Precipitation; Types of Climate. Major Natural regions of the World.
  • Regional Geography of India - Climate, Natural vegetation. Mineral and Power resources; location and distribution of agricultural and industrial activities.
  • Important Sea ports and main sea, land and air routes of India. Main items of Imports and Exports of India.

Section ‘F’ (Current Events) - This section would carry 10% weightage in PART B

  • Knowledge of Important events that have happened in India in the recent years.
  • Current important world events.
  • Prominent personalities - both Indian and International including those connected with cultural activities and sports.

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