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JEE Main Sample Papers bring the number of benefits to students. It provides an opportunity to practice exam kind papers and boost their confidence level to face the real examination. Also time limit tests (3 hours for 90 questions) provide opportunity to test the time management of the students and practising more papers enables students to improve their time per question ratio to a satisfactory level.

Can I Download JEE Main Sample Papers?

You can very well download JEE Main Sample Paper from Entranceindia website. In this downloadable version of sample paper there are 90 questions covering the whole JEE Main Syllabus to be answered in 3 hours time period. The PDF version of the sample paper can be downloaded from the link given below.

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Can I Attempt JEE Main Sample Paper Online?

Yes, you can attempt JEE Main Sample Papers online by registering at Entranceindia and visiting “My Courses” section where you can find links for “My Paid Courses” and “My Free Courses”. By clicking “MY Free Courses” you can see the free sample papers under various sections of Engineering and Medical Entrance Exams. Click on the JEE Main Free Sample Paper and take test.

Do you know that in the 2014 JEE Main examination 12 questions were exactly matched and many more pattern matches with Entranceindia’s JEE Main Preparatory Course

It is imperative that utmost care be taken while filling online application form for JEE Main 2015.

It is of utmost importance that all instructions and the JEE Main 2015 Bulletin must be read well before filling the form and clarity is sought on each point.

The candidate must fill in only one form on the official website of JEE Main 2015 i.e. www.jeemain.nic.in. Multiple forms from any candidate will not be accepted and there may be rejection of the original form.

The candidate should fill in the form online. Hard copies of the form are not accepted. JEE Main 2015 Forms are to be filled online only.

The candidate must fill all particulars in the JEE Main 2015 Application Form correctly.

The name of the candidate and his/her parents name in the application form must exactly be the same as registered in Class 12th/ equivalent qualifying Examination. No prefix or title such as Mr/Shri/Fr/Dr/Mrs/Smt/Col, etc. should be used.

The candidate must fill information in all sections correctly. No options can be changed at a later stage after submission of an application. However, a chance may be given to the candidates to correct/modify some of the particular(s) of the application form online only, with valid reason(s), during the month of Jan 2015. No change will be accepted through offline i.e. through fax/application including e-mail etc. Hence, care should be taken for not updating any wrong information.

The JEE Main 2015 application has been made completely online i.e. the candidate have to fill the particulars online and also need to upload their photograph, signature and thumb impression online. Due to above, the provision of sending hard copy of the application i.e. confirmation page to the JEE (Main) office has been discontinued. Therefore the candidates are advised not to send hard copy of the application i.e. confirmation page to JEE (Main) Secretariat.

The marks of Class 12th /equivalent qualifying examination will be displayed on the website of JEE Main during the second week of June 2015. The candidates have to verify these marks and confirm it on the website. In case of any discrepancy, the candidates should upload the copy of the mark-sheet online only latest by 25th June 2015 on JEE Main website.

In case of change in qualifying examination marks due to re-totalling/verification/result revision, the candidate should ensure to upload the copy of the revised mark-sheet online only latest by 25th June 2015 on JEE Main website. The revised mark-sheet will not be accepted after 25th June 2015 for whatsoever reason.

The candidates must have their own personal and valid email id. They are also advised to have their own mobile number. The candidates are advised to retain the same mobile number and email-id in use which they have furnished in the application form because the important information may be given to the candidates through SMS or e-mail.

Note: It is in candidate’s own interest they should take printout of JEE Main 2015 Information Bulletin and fill particulars in a format given inside the bulletin before filling online application. This process will reduce the mistake and helpful for candidates who fill the online application form at browsing centres. Last year many applications rejected for mistakes in data and most of them are filled at browsing centres. Check your photograph format before uploading. The format is mentioned in JEE Main Information Bulletin.

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JEE Main 2014 is going to be held both in online (computer based) as well as offline (pen and paper based) mode during April 2014. Those appearing for the examination have less time at their disposal after their respective Board exams. Considering the difficulties and less time availability for preparation, Entranceindia has been providing JEE main sample papers and Model Papers both in online as well as DVD mode. Registered users can freely access one JEE Main Sample Set without any cost. Our full length model papers are available for purchase at reasonable price. To know details about various options regarding sample papers as well as model papers please visit our JEE Main section.

Sets and their representation; Union, intersection and complement of sets and their algebraic properties; Power set; Relation, Types of relations, equivalence relations, functions;. one-one, into and onto functions, composition of functions.

UNIT 2: COMPLEX NUMBERS AND QUADRATIC EQUATIONS:

Complex numbers as ordered pairs of reals, Representation of complex numbers in the form a+ib and their representation in a plane, Argand diagram, algebra of complex numbers, modulus and argument (or amplitude) of a complex number, square root of a complex number, triangle inequality, Quadratic equations in real and complex number system and their solutions. Relation between roots and co-efficients, nature of roots, formation of quadratic equations with given roots.

UNIT 3: MATRICES AND DETERMINANTS:

Matrices, algebra of matrices, types of matrices, determinants and matrices of order two and three.

Properties of determinants, evaluation of determinants, area of triangles using determinants. Adjoint and evaluation of inverse of a square matrix using determinants and elementary transformations, Test of consistency and solution of simultaneous linear equations in two or three variables using determinants and matrices.

UNIT 4: PERMUTATIONS AND COMBINATIONS:

Fundamental principle of counting, permutation as an arrangement and combination as selection, Meaning of P (n,r) and C (n,r), simple applications.

UNIT 5: MATHEMATICAL INDUCTION:

Principle of Mathematical Induction and its simple applications.

UNIT 6: BINOMIAL THEOREM AND ITS SIMPLE APPLICATIONS

Binomial theorem for a positive integral index, general term and middle term, properties of Binomial coefficients and simple applications.

UNIT 7: SEQUENCES AND SERIES:

Arithmetic and Geometric progressions, insertion of arithmetic, geometric means between two given numbers. Relation between A.M. and G.M. Sum upto n terms of special series: S n, S n2, Sn3.

Arithmetico – Geometric progression.

UNIT 8: LIMIT, CONTINUITY AND DIFFERENTIABILITY:

Real – valued functions, algebra of functions, polynomials, rational, trigonometric, logarithmic and exponential functions, inverse functions. Graphs of simple functions. Limits, continuity and differentiability. Differentiation of the sum, difference, product and quotient of two functions. Differentiation of trigonometric, inverse trigonometric, logarithmic, exponential, composite and implicit functions; derivatives of order upto two. Rolle’s and Lagrange’s Mean Value Theorems. Applications of derivatives: Rate of change of quantities, monotonic – increasing and decreasing functions, Maxima and minima of functions of one variable, tangents and normals.

UNIT 9: INTEGRAL CALCULUS:

Integral as an anti – derivative. Fundamental integrals involving algebraic, trigonometric, exponential and logarithmic functions. Integration by substitution, by parts and by partial fractions. Integration using trigonometric identities.

Evaluation of simple integrals of the type Integral as limit of a sum. Fundamental Theorem of Calculus. Properties of definite integrals. Evaluation of definite integrals, determining areas of the regions bounded by simple curves in standard form.

UNIT 10: DIFFERENTIAL EQUATIONS:

Ordinary differential equations, their order and degree. Formation of differential equations. Solution of differential equations by the method of separation of variables, solution of homogeneous and linear differential equations of the type:

dy+ p (x) y = q (x)

dx

UNIT 11: CO-ORDINATE GEOMETRY:

Cartesian system of rectangular co-ordinates 10 in a plane, distance formula, section formula, locus and its equation, translation of axes, slope of a line, parallel and perpendicular lines, intercepts of a line on the coordinate axes.

Straight lines

Various forms of equations of a line, intersection of lines, angles betweentwo lines, conditions for concurrence of three lines, distance of a point from a line, equations of internal and external bisectors of angles between two lines, coordinates of centroid, orthocentre and circumcentre of a triangle, equation of family of lines passing through the point of intersection of two lines.

Circles, conic sections

Standard form of equation of a circle, general form of the equation of a circle, its radius and centre, equation of a circle when the end points of a diameter are given, points of intersection of a line and a circle with the centre at the origin and condition for a line to be tangent to a circle, equation of the tangent. Sections of cones, equations of conic sections (parabola, ellipse and hyperbola) in standard forms, condition for y = mx + c to be a tangent and point (s) of tangency.

UNIT 12 THREE DIMENSIONAL GEOMETRY:

Coordinates of a point in space, distance between two points, section formula, direction ratios and direction cosines, angle between two intersecting lines.

Skew lines, the shortest distance between them and its equation. Equations of a line and a plane in different forms, intersection of a line and a plane, coplanar lines.

UNIT 13: VECTOR ALGEBRA:

Vectors and scalars, addition of vectors, components of a vector in two dimensions and three dimensional space, scalar and vector products, scalar and vector triple product.

UNIT 14: STATISTICS AND PROBABILITY:

Measures of Dispersion: Calculation of mean, median, mode of grouped and ungrouped data calculation of standard deviation, variance and mean deviation for grouped and ungrouped data.

Probability: Probability of an event, addition and multiplication theorems of probability, Baye’s theorem, probability distribution of a random variate, Bernoulli trials and Binomial distribution.

UNIT 15: TRIGONOMETRY:

Trigonometrical identities and equations. Trigonometrical functions. Inverse trigonometrical functions and their properties. Heights and Distances.

UNIT 16: MATHEMATICAL REASONING:

Statements, logical operations and, or, implies, implied by, if and only if. Understanding of tautology, contradiction, converse and contrapositive

Matter and its nature, Dalton’s atomic theory; Concept of atom, molecule, element and compound; Physical quantities and their measurements in Chemistry, precision and accuracy, significant figures, S.I. Units, dimensional analysis; Laws of chemical combination; Atomic and molecular masses, mole concept, molar mass, percentage composition, empirical and molecular formulae; Chemical equations and stoichiometry.

UNIT 2: STATES OF MATTER

Classification of matter into solid, liquid and gaseous states.

Gaseous State: Measurable properties of gases; Gas laws – Boyle’s law, Charle’s law, Graham’s law of diffusion, Avogadro’s law, Dalton’s law of partial pressure; Concept of Absolute scale of temperature; Ideal gas equation; Kinetic theory of gases (only postulates); Concept of average, root mean square and most probable velocities; Real gases, deviation from Ideal behaviour, compressibility factor and van der Waals equation.

LiquidState:

Properties of liquids – vapour pressure, viscosity and surface tension and effect of temperature on them (qualitative treatment only).

SolidState:

Classification of solids: molecular, ionic, covalent and metallic solids, amorphous and crystalline solids (elementary idea); Bragg’s Law and its applications; Unit cell and lattices, packing in solids (fcc, bcc and hcp lattices), voids, calculations involving unit cell parameters, imperfection in solids; Electrical, magnetic and dielectric properties.

UNIT 3: ATOMIC STRUCTURE

Thomson and Rutherford atomic models and their limitations; Nature of electromagnetic radiation, photoelectric effect; Spectrum of hydrogen atom, Bohr model of hydrogen atom – its postulates, derivation of the relations for energy of the electron and radii of the different orbits, limitations of Bohr’s model; Dual nature of matter, de-Broglie’s relationship, Heisenberg uncertainty principle. Elementary ideas of quantum mechanics, quantum mechanical model of atom, its important features, ?? and ??2, concept of atomic orbitals as one electron wave functions; Variation of ?? and ??2 with r for 1s and 2s orbitals; various quantum numbers (principal, angular momentum and magnetic quantum numbers) and their significance; shapes of s, p and d – orbitals, electron spin and spin quantum number; Rules for filling electrons in orbitals – aufbau principle, Pauli’s exclusion principle and Hund’s rule, electronic configuration of elements, extra stability of half-filled and completely filled orbitals.

UNIT 4: CHEMICAL BONDING AND MOLECULAR STRUCTURE

Kossel – Lewis approach to chemical bond formation, concept of ionic and covalent bonds.

Ionic Bonding: Formation of ionic bonds, factors affecting the formation of ionic bonds; calculation of lattice enthalpy.

Covalent Bonding: Concept of electronegativity, Fajan’s rule, dipole moment; Valence Shell Electron Pair Repulsion (VSEPR) theory and shapes of simple molecules.

Quantum mechanical approach to covalent bonding:Valencebond theory – Its important features, concept of hybridization involving s, p and d orbitals;

Resonance.

Molecular Orbital Theory – Its important features, LCAOs, types of molecular orbitals (bonding, antibonding), sigma and pi-bonds, molecular orbital electronic configurations of homonuclear diatomic molecules, concept of bond order, bond length and bond energy.

Elementary idea of metallic bonding. Hydrogen bonding and its applications.

UNIT 5: CHEMICAL THERMODYNAMICS

Fundamentals of thermodynamics: System and surroundings, extensive and intensive properties, state functions, types of processes.

First law of thermodynamics – Concept of work, heat internal energy and enthalpy, heat capacity, molar heat capacity; Hess’s law of constant heat summation;

Enthalpies of bond dissociation, combustion, formation, atomization, sublimation, phase transition, hydration, ionization and solution.

Second law of thermodynamics; Spontaneity of processes; DS of the universe and DG of the system as criteria for spontaneity, Dgo (Standard Gibbs energy change) and equilibrium constant.

UNIT 6: SOLUTIONS

Different methods for expressing concentration of solution – molality, molarity, mole fraction, percentage (by volume and mass both), vapour pressure of solutions and Raoult’s Law – Ideal and non-ideal solutions, vapour pressure – composition, plots for ideal and non-ideal solutions; Colligative properties of dilute solutions – relative lowering of vapour pressure, depression of freezing point, elevation of boiling point and osmotic pressure; Determination of molecular mass using colligative properties; Abnormal value of molar mass, van’t Hoff factor and its significance.

UNIT 7: EQUILIBRIUM

Meaning of equilibrium, concept of dynamic equilibrium.

Equilibria involving physical processes: Solid -liquid, liquid – gas and solid – gas

equilibria, Henry’s law, general characterics of equilibrium involving physical processes.

Equilibria involving chemical processes: Law of chemical equilibrium, equilibrium constants (Kp and Kc) and their significance, significance of DG and DGo in chemical equilibria, factors affecting equilibrium concentration, pressure, temperature, effect of catalyst; Le Chatelier’s principle.

Ionic equilibrium: Weak and strong electrolytes, ionization of electrolytes, various concepts of acids and bases (Arrhenius, Br??nsted – Lowry and Lewis) and their ionization, acid – base equilibria (including multistage ionization) and ionization constants, ionization of water, pH scale, common ion effect, hydrolysis of salts and pH of their solutions, solubility of sparingly soluble salts and solubility products, buffer solutions.

UNIT 8: REDOX REACTIONS AND ELECTROCHEMISTRY

Electronic concepts of oxidation and reduction, redox reactions, oxidation number, rules for assigning oxidation number, balancing of redox reactions.

Eectrolytic and metallic conduction, conductance in electrolytic solutions, specific and molar conductivities and their variation with concentration:

Kohlrausch’s law and its applications.

Electrochemical cells – Electrolytic and Galvanic cells, different types of electrodes, electrode potentials including standard electrode potential, half – cell and cell reactions, emf of a Galvanic cell and its measurement; Nernst equation and its applications; Relationship between cell potential and Gibbs’ energy change; Dry cell and lead accumulator; Fuel cells.

UNIT 9 : CHEMICAL KINETICS

Rate of a chemical reaction, factors affecting the rate of reactions: concentration, temperature, pressure and catalyst; elementary and complex reactions, order and molecularity of reactions, rate law, rate constant and its units, differential and integral forms of zero and first order reactions, their characteristics and half – lives, effect of temperature on rate of reactions –

Arrhenius theory, activation energy and its calculation, collision theory of bimolecular gaseous reactions (no derivation).

UNIT-10 : SURFACE CHEMISTRY

Adsorption- Physisorption and chemisorption and their characteristics, factors affecting adsorption of gases on solids – Freundlich and Langmuir adsorption isotherms, adsorption from solutions.

Colloidal state – distinction among true solutions, colloids and suspensions, classification of colloids – lyophilic, lyophobic; multi molecular, macromolecular and associated colloids (micelles), preparation and properties of colloids –

Tyndall effect, Brownian movement, electrophoresis, dialysis, coagulation and flocculation; Emulsions and their characteristics.

SECTION – B

INORGANIC CHEMISTRY

UNIT 11: CLASSIFICATON OF ELEMENTS AND PERIODICITY IN PROPERTIES

Modem periodic law and present form of the periodic table, s, p, d and f block elements, periodic trends in properties of elements atomic and ionic radii, ionization enthalpy, electron gain enthalpy, valence, oxidation states and chemical reactivity.

UNIT 12: GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF METALS

Modes of occurrence of elements in nature, minerals, ores; Steps involved in the extraction of metals – concentration, reduction (chemical and electrolytic methods) and refining with special reference to the extraction of Al, Cu, Zn and Fe; Thermodynamic and electrochemical principles involved in the extraction of metals.

UNIT 13: HYDROGEN

Position of hydrogen in periodic table, isotopes, preparation, properties and uses of hydrogen; Physical and chemical properties of water and heavy water; Structure, preparation, reactions and uses of hydrogen peroxide; Hydrogen as a fuel.

UNIT 14: S – BLOCK ELEMENTS (ALKALI AND ALKALINE EARTH METALS)

Group – 1 and 2 Elements

General introduction, electronic configuration and general trends in physical and chemical properties of elements, anomalous properties of the first element of each group, diagonal relationships.

Preparation and properties of some important compounds – sodium carbonate and sodium hydroxide; Industrial uses of lime, limestone, Plaster of Paris and cement; Biological significance of Na, K, Mg and Ca.

UNIT 15: P – BLOCK ELEMENTS

Group – 13 to Group 18 Elements

General Introduction: Electronic configuration and general trends in physical and chemical properties of elements across the periods and down the groups; unique behaviour of the first element in each group.

Groupwise study of the p – block elements

Group – 13

Preparation, properties and uses of boron and aluminium; properties of boric acid, diborane, boron trifluoride, aluminium chloride and alums.

Group – 14

Allotropes of carbon, tendency for catenation; Structure & properties of silicates, and zeolites.

Group – 15

Properties and uses of nitrogen and phosphorus; Allotrophic forms of phosphorus; Preparation, properties, structure and uses of ammonia, nitric acid, phosphine and phosphorus halides, (PCl3, PCl5); Structures of oxides and oxoacids of phosphorus.

Group – 16

Preparation, properties, structures and uses of ozone; Allotropic forms of sulphur; Preparation, properties, structures and uses of sulphuric acid (including its industrial preparation); Structures of oxoacids of sulphur.

Group – 17

Preparation, properties and uses of hydrochloric acid; Trends in the acidic nature of hydrogen halides; Structures of Interhalogen compounds and oxides and oxoacids of halogens.

Group –18

Occurrence and uses of noble gases; Structures of fluorides and oxides of xenon.

UNIT 16: d – and f – BLOCK ELEMENTS

Transition Elements

General introduction, electronic configuration, occurrence and characteristics, general trends in properties of the first row transition elements – physical properties, ionization enthalpy, oxidation states, atomic radii, colour, catalytic behaviour, magnetic properties, complex formation, interstitial compounds, alloy formation; Preparation, properties and uses of K2 Cr2 O7 and KMnO4.

Inner Transition Elements

Lanthanoids – Electronic configuration, oxidation states and lanthanoid contraction.

Actinoids – Electronic configuration and oxidation states.

UNIT 17: CO-ORDINATION COMPOUNDS

Introduction to co-ordination compounds, Werner’s theory; ligands, coordination number, denticity, chelation; IUPAC nomenclature of mononuclear co-ordination compounds, isomerism; Bonding-Valence bond approach and basic ideas of Crystal field theory, colour and magnetic properties; Importance of co-ordination compounds (in qualitative analysis, extraction of metals and in biological systems).

UNIT 18: ENVIRONMENTAL CHEMISTRY

Environmental pollution – Atmospheric, water and soil.

Atmospheric pollution – Tropospheric and Stratospheric

Tropospheric pollutants – Gaseous pollutants: Oxides of carbon, nitrogen and sulphur, hydrocarbons; their sources, harmful effects and prevention; Green house effect and Global warming; Acid rain;

Particulate pollutants: Smoke, dust, smog, fumes, mist; their sources, harmful effects and prevention.

Stratospheric pollution- Formation and breakdown of ozone, depletion of ozone layer – its mechanism and effects.

Water Pollution – Major pollutants such as, pathogens, organic wastes and chemical pollutants; their harmful effects and prevention.

Soil pollution – Major pollutants such as: Pesticides (insecticides,. herbicides and fungicides), their harmful effects and prevention.

Strategies to control environmental pollution.

SECTION-C

ORGANIC CHEMISTRY

UNIT 19: PURIFICATION AND CHARACTERISATION OF ORGANIC COMPOUNDS

Purification – Crystallization, sublimation, distillation, differential extraction and chromatography – principles and their applications.

Qualitative analysis – Detection of nitrogen, sulphur, phosphorus and halogens.

Calculations of empirical formulae and molecular formulae; Numerical problems in organic quantitative analysis.

UNIT 20: SOME BASIC PRINCIPLES OF ORGANIC CHEMISTRY

Tetravalency of carbon; Shapes of simple molecules – hybridization (s and p);

Classification of organic compounds based on functional groups: – C = C – , – Ch C – and those containing halogens, oxygen, nitrogen and sulphur;

Homologous series; Isomerism – structural and stereoisomerism.

Nomenclature (Trivial and IUPAC)

Covalent bond fission – Homolytic and heterolytic: free radicals, carbocations and carbanions; stability of carbocations and free radicals, electrophiles and nucleophiles.

Electronic displacement in a covalent bond

– Inductive effect, electromeric effect, resonance and hyperconjugation.

UNIT 21: HYDROCARBONS

Classification, isomerism, IUPAC nomenclature, general methods of preparation, properties and reactions.

Alkanes – Conformations: Sawhorse and Newman projections (of ethane);

Mechanism of halogenation of alkanes.

Alkenes – Geometrical isomerism; Mechanism of electrophilic addition: addition of hydrogen, halogens, water, hydrogen halides (Markownikoff’s and peroxide effect); Ozonolysis and polymerization.

Alkynes – Acidic character; Addition of hydrogen, halogens, water and hydrogen halides; Polymerization.

Aromatic hydrocarbons – Nomenclature, benzene – structure and aromaticity;

Mechanism of electrophilic substitution: halogenation, nitration, Friedel – Craft’s alkylation and acylation, directive influence of functional group in monosubstituted benzene.

UNIT 22: ORGANIC COMPOUNDS CONTAINING HALOGENS

General methods of preparation, properties and reactions; Nature of C-X bond;

Mechanisms of substitution reactions.

Uses; Environmental effects of chloroform & iodoform.

UNIT 23: ORGANIC COMPOUNDS CONTAINING OXYGEN

General methods of preparation, properties, reactions and uses.

ALCOHOLS, PHENOLS AND ETHERS

Alcohols: Identification of primary, secondary and tertiary alcohols; mechanism of dehydration.

Aldehyde and Ketones: Nature of carbonyl group;Nucleophilic addition to >C=O group, relative reactivities of aldehydes and ketones; Important reactions such as – Nucleophilic addition reactions (addition of HCN, NH3 and its derivatives),

Grignard reagent; oxidation; reduction (Wolff Kishner and Clemmensen); acidity of ı – hydrogen, aldol condensation, Cannizzaro reaction, Haloform reaction; Chemical tests to distinguish between aldehydes and Ketones.

CARBOXYLIC ACIDS

Acidic strength and factors affecting it.

UNIT 24: ORGANIC COMPOUNDS CONTAINING NITROGEN

General methods of preparation, properties, reactions and uses.

Amines: Nomenclature, classification, structure, basic character and identification of primary, secondary and tertiary amines and their basic character.

Diazonium Salts: Importance in synthetic organic chemistry.

UNIT 25: POLYMERS

General introduction and classification of polymers, general methods of polymerization-addition and condensation, copolymerization;

Natural and synthetic rubber and vulcanization; some important polymers with emphasis on their monomers and uses – polythene, nylon, polyester and bakelite.

UNIT 26: BIOMOLECULES

General introduction and importance of biomolecules.

CARBOHYDRATES – Classification: aldoses and ketoses; monosaccharides (glucose and fructose) and constituent monosaccharides of oligosacchorides (sucrose, lactose and maltose).

PROTEINS – Elementary Idea of ı – amino acids, peptide bond, polypeptides;

Proteins: primary, secondary, tertiary and quaternary structure (qualitative idea only), denaturation of proteins, enzymes.

VITAMINS – Classification and functions.

NUCLEIC ACIDS – Chemical constitution of DNA and RNA.

Biological functions of nucleic acids.

UNIT 27: CHEMISTRY IN EVERYDAY LIFE

Chemicals in medicines – Analgesics, tranquilizers, antiseptics, disinfectants, antimicrobials, antifertility drugs, antibiotics, antacids, antihistamins – their meaning and common examples.

Chemicals in food – Preservatives, artificial sweetening agents – common examples.

Cleansing agents – Soaps and detergents, cleansing action.

UNIT 28: PRINCIPLES RELATED TO PRACTICAL CHEMISTRY

• Detection of extra elements (N,S, halogens) in organic compounds; Detection of the following functional groups: hydroxyl (alcoholic and phenolic), carbonyl (aldehyde and ketone), carboxyl and amino groups in organic compounds.

• Chemistry involved in the preparation of the following:

JEE Main 2015 Syllabus covers three subjects for paper 1 (B.Tech Engineering programmes) : Physics, Chemistry and Mathematics. Each of the syllabus subjects are discussed here under. The syllabus for JEE Main 2015 is CBSE 10+2 pattern syllabus prescribed for both class 11 and 12 students. A detailed contents of the syllabus can be found in the following linked pages:

JEE Main 2014 will be the second year of JEE Main new pattern that started during the year 2013. In the year 2013 there were many speculations regarding the question pattern, difficulty level, etc. The examination was conducted both in online and offline mode for the convenience of candidates from different parts of the country and abroad. Students were curious to know the exam pattern as that was for the first time conducted. Also the JEE Main exam is considered to be the entry level exam for admissions into all IITs in India. JEE Main score is considered for direct admissions into NITS, IIITs and other centrally funded institutions in India. Top 150000 candidates in JEE Main exam are selected to appear JEE Advanced examination which is the entry exam for IITs in India. In year 2013 Entranceindia released JEE Main sample Papers and JEE main model papers for the purpose of student’s practice. Many students took the benefit of our practice papers irrespective of their mode of examination whether online or offline.

There were direct matches in the exam paper from our model question papers which delighted our subscribers. Our analysts taken extreme care in choosing questions for this national level test.For the year 2014, we have released many practice options for the students. We have achievers plan both online and DVDs, model papers both online and DVDs, test maker DVDs, free sample papers, past exam question papers and many more. Create your account to see free sample paper and subscribe our model paper which is an add on to your JEE Main 2014 Preparation.

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Students appearing JEE Main 2014 can avail JEE Main Sample Paper for practice from JEE Main Website (www.jeemain.nic.in). JEE Main examination is very crucial for a candidates career as this exam is the qualifying exam for JEE Advanced for IITs. Entranceindia.com provides model papers for JEE Main and JEE Advanced. Our 2013 JEE Main model papers were very effective as there were many matches in exam paper. We also provide free online sample test for jee main candidates who registers on our website. Apart from this we provide 15+1 sets model papers and 10+1 sets model papers for JEE mains 2014. There are also test DVDs for JEE mains 2014. Download free sample papers and model papers for JEE Main 2014. Workout the model paper and for solution subscribe to our paid practice papers for JEE main 2014.

JEE Main 2014 sample paper for download in pdf version available for students appearing JEE Main 2014. The JEE Main Exam 2014 is going to be conducted on various dates during April 2014. We provide Model Test Papers for JEE Main both offline and online students. Preparation for both options are same and students can get good number of questions for practice before appearing for the test. This downloadable PDF Sample Paper consists of 30 questions each in physics, chemistry and mathematics. To find solutions to this sample paper and attempt more papers for JEE Main 2014, students has to subscribe our JEE Main Model Papers 15+1 sets or 10+1 sets. Our model papers also come with past exam question paper practice free.

CBSE has announced JEE Main 2016 Admission and the online application for JEE Main 2016 shall start from 1st December 2015. Candidates can appear for either JEE Main Paper 1 for B.E./B.Tech. admission or Paper 2 for B. Planning / B. Arch. Candidates can appear both the papers. Where Paper 1 to be attempted in both offline as well as online mode, Paper 2 can be attempted only through offline mode of pen and paper based test.

JEE Main 2016 Application Process is completely online and no offline application is offered by CBSE for JEE Main 2016. After submitting online application form the candidates need to submit their requisite exam fee either through debit card/ credit card or through E-challans at respective designated bank branches. For applying JEE Main 2016 candidates has to visit JEE Main 2016 Website: jeemain.nic.in.

The online application process shall start at JEE Main website from 1st December 2016. Candidates are advised to take extra care while filling up JEE Main Application form considering its online nature. Candidates should download JEE Main 2016 Information Bulletin and go through the contents of the bulletin before filling up jee main online application form. Mistakes in JEE Main Application form may cause cancellation of candidature for JEE main 2016.

To Know More details about JEE Main 2016 Admission Notification and Application Form Click Here.

Visit our JEE Main 2016 Main Page to know more about JEE Main 2016 Free Sample Paper, JEE Main Model Papers, JEE Main Previous Year Question Papers Practice, etc.

Objective of JEE Main Sample Papers is to provide better insight to students appearing JEE Main 2018. We provide two way of Model Papers for JEE Main 2018. Under the first method you can log in by creating your user ID and take free JEE Main Sample Testinside our Test Platform. Or, You can download one full model paper for JEE Main 2018 by clicking the below download button. The online free Sample Papers have answer key as well as explanations. The downloadable JEE Main Model Paper is not provided with answer and it is for practice purpose only. Students want to practice similar JEE Main 2018 Model Papers can subscribe to our JEE Main 2018 Preparatory Course or JEE Main 2018 Model Papers (15+1 Sets).

JEE Main 2018 Sample Paperhas been prepared by Entranceindia.com to educate students about JEE Main 2018 exam question paper pattern. Our JEE Main 2018 Sample paper gives a glimpse about our JEE Main 2018 model papers. Students can get access to JEE Main 2018 Sample Paper by registering (free) on Entranceindia.com website. This sample paper is helpful to JEE Main 2018 aspirants. Our Model Practice papers for JEE Main 2018 covers JEE Main 2018 exam pattern questions prepared by experts.

Apart from JEE Main 2018 Sample Paper and model papers, Entranceindia.com provides Preparatory Course which covers large numbers of questions. These questions have been given in chapter wise format, so that after each chapter students can assess their ability and can enhance their preparation. These Chapter wise questions are in Level I, Level II (based on difficulty of questions) and revision tests.

Contents of JEE Main Sample Papers:

JEE Main Sample Papers online version or downloadable version of Model Papers are prepared strictly in accordance with the exam pattern followed in JEE main examination. Our papers are highly acclaimed after JEE Main 2014 Exam when it was direct matching of as many as 12 questions from our Preparatory course for JEE Main.

JEE Main Model Practice Papers (Online)

Approximately 14 lakhs students are appearing JEE Main exam every year which is held in the month of April every year. This exam can be attempted in two modes: Online Model (computerized) or Offline mode (pen and paper based). Based on students comfort level they can choose the mode for appearing the JEE Main 2018test.

Benefits of Online Mode for Appearing JEE Main 2018

The online computerized mode offers few benefits over offline mode as under:

– Less time to choose the answer from the multiple list of answers

– No need to darken the answer box as in pen and paper based question paper

– Review of answer a click away

– Changing answer easier than pen and paper based examination (erasing not required)

– Navigating between questions easy

Why Entranceindia.com for JEE Main 2018 Preparation?

Entranceindia.com has been providing online and DVDs for various engineering and medical examinations in India since 2011. Since new pattern JEE Main, students find it easy to subscribe for online model papers or DVD model papers rather than any printed material. Online or DVD format model papers immediately judges candidate’s time consumed while appearing for the test. The Test engine will immediately show candidate’s performance with correctness of each question appeared. As many as 12 questions matched from our preparatory course in JEE Main 2014 Exam which made all our subscribers happy about it.

You can find the question match details in the link below:

JEE Main 2018 Sample Papers prepared by Entranceindia help the students to practice more and get the conceptual understanding of each chapter as well as overall examination. The Model Papers for JEE Main 2018 cover lot of practice question papers with answer keys and explanations that helps students to prepare well for the JEE Main 2018 Entrance Examination.

The JEE Main 2018 Model Papers prepared by Entranceindia are very similar to the examination pattern of JEE Main 2018.

The design of the questions are done in view to provide JEE Main 2018 Examination like experience for the students.

JEE Main 2018 Sample Papers are meant to be used anytime anywhere.

In 2014, around 14 lakhs students appeared for JEE Main examination. As per recent announcement only top 150,000 students are eligible to appear for JEE Advanced examination. Students qualifying in JEE Advanced are eligible for getting admission into IITs.

JEE Main 2018 Sample Papers prepared by Entranceindia are prepared to help students enhance their knowledge and prepare them well for the real JEE Main 2018 examination. The score you get during JEE Main 2018 sample test provides an indication of the readiness of the students for the JEE Main examination.

Since the questions are prepared for each subject and each chapter, students taking the test in JEE Main 2018 Practice Questions can get an indication of which subject is strong and which requires more attention.

JEE Main 2018 Sample Papers – Features

JEE Main 2018 sample paper covers class XI and XII Physics, Chemistry, Mathematics from CBSE Curriculum.

It is advisable for students to take the entranceindia JEE Main 2018 preparatory course so as to get a strong hold on each subject. Once you practice questions from each subject, appearing the model test papers become easy. Candidates can solve the Practice Papers of JEE Main 2018 in both online and offline mode.

Students can appear JEE Main 2018 Practice Papers online and hence anytime and anywhere.

Each question is provided with four choices and a detail explanation of the answer

JEE Main 2018 Model Papers provided by Entranceindia helps students to get the speed and knowledge.

Know complete details about JEE Main 2015 including eligibility, important dates, syllabus, exam pattern, online application, rank list, cut-off score, sample papers, model papers, etc. here. You can register online for free JEE Main Sample Papers.

Important Note:

Entranceindia.com proud to announce success of our Model papers in matching questions in JEE Main exam papers for the second year in row. As many as 12 questions in a single paper is a remarkable achievement and we are thankful to our expert panel who prepared these model papers and preparatory question sets. Click here to view question sets.

JEE Main 2015 will be conducted by CBSE during the month of April 2015 both in online as well as offline mode. Students completing 10+2 during the year 2015 are eligible to appear the test. This all India entrance test is the admission criteria for all National Institute of Technology (NITs) in India, IIITs and other Centrally Funded Technical Institutions (CFTIs) in India. Apart from this many States have already declared to adopt JEE Main score for finalizing admissions in Engineering colleges in that state both under Govt management as well as private management. The most crucial point about the exam is that only top 1.5 Lakhs candidates of JEE main 2015 shall be eligible to appear JEE Advanced Examination 2015 which is the qualifying examination for admissions into most prestigious IITs (Indian Institute of Technology) in India. Considering these admission rules for engineering career in India JEE Main 2015 will be the most preferred examination for students seeking engineering career. Entranceindia has been providing best model papers for JEE Main since 2013 and since then we find many question match from our model papers. Our experts analyses the question paper every year to set best probable sets of model papers and students get an opportunity to practice many exam pattern questions which are likely to come in the real examination. Apart from model papers we provide chapter-wise tests which is helpful in gaining in-depth knowledge and command over the subject. Speed and Accuracy are the two important criteria for achieving success in JEE main exam.

JEE Main 2015 Preparatory Course (Online):

This course is suitable for those who wants to practice JEE level questions well ahead of time without waiting till JEE Main declaration. The well planned practice papers help students gaining confidence for appearing the JEE Main test. This course is available in online mode. Students of either category (Online Mode and Offline Mode) can opt for this course. Many offline candidates do practice online without having any apprehension of the test being offered in online mode. However, if you do not have internet connection, you can order our JEE Main 2015 Preparatory Course DVDs (3 Nos) for unlimited practice without internet connection.

JEE Main 2015 Preparatory Course DVDs (3 Nos):

The JEE Main 2015 Preparatory Course is delivered in DVD mode and there are three DVDs containing various sections of this JEE main 2015 preparatory course.

JEE Main is conducted in the month of April every year both in online and offline mode at various exam centres across India and abroad. To know JEE Main important dates with respect to declaration of JEE Main, Online Application Form, Last date for application, last date for review, admit card download, etc. please refer the below mentioned link:

Syllabus for JEE Main covers both class XI and XII CBSE Curriculum for subjects Physics, Chemistry and Mathematics. For detailed discussion on JEE Main Syllabus please click the below mentioned link.

Whether online mode or offline mode, JEE Main Paper 1 exam pattern is same for all. A candidate has to answer 90 questions of 4 marks each in 180 minutes of time. Questions are asked in equal numbers from subjects Physics, Chemistry and Mathematics. While each correct answer will fetch you 4 full marks, each incorrect answers shall have -1 (negative) mark to be added. For questions which are not attempted there is no negative marking. To get more idea about JEE Main 2015 Exam Pattern click the below link:

JEE Main applications are filled online and high level of caution and care should be exercised while filling up JEE Main application. Before making final submission please go through all the fields in the application form including your name. There are detailed instructions on how to fill up JEE Main application form online and you must go through these instructions carefully before proceeding for the online application form. We will also publish “How to Fill up JEE Main Application Form during November 2015. Click the below link for more details.

We provide free sample papers for JEE Main 2015 candidates once they register at Entranceindia.com. There are limited questions in our Free Sample Paper. You can access full length Model Papers (90 questions in each model papers) once you are a paid member. For free access registration please click the below link.

JEE Main 2016 Free Sample Test Paper (Download Option)

About JEE Main 2016 Free Sample Paper

JEE Main 2016 is one of the most important engineering entrance examination in India. From its inception during 2013 replacing AIEEA and continuously expanding its horizon by replacing state level exams in various states, the competition and toughness increases every year. There are as many as 4 online papers (different codes) and one offline paper to appear by different students according to their choice and date of examination. There are two papers according to admission requirement. Paper 1 is meant for admission into B.Tech and B.E. courses whereas Paper 2 is for B. Arch. and B. Planning courses. There is no single paper to be attempted by all the students for the entire JEE Main exam. Online papers are different for different students. Offline papers are reshuffled according to code and students get different question paper in the examination hall. However, the performances of students are judged on a single scale and merit list is prepared. Since year 2013 Entranceindia has been providing valuable support to students community by providing JEE Main Sample Paper in online as well as DVD mode at reasonable price. The uniqueness of our JEE Main Preparatory Course (model papers and Chpater-wise tests) and JEE Main Model Papers are proven by the appearance of number of questions in the real JEE Main examination. We have given one JEE Main Free Sample Paper PDF Download. Students can appear this Sample Paper and judge their preparedness for the main examination. If you like the JEE Main Sample Paper provided herewith, you can subscribe our JEE Main 2016 Preparatory Course or JEE Main 15+1 Model Papers for 2016 JEE Main Exam to brush-up your knowledge for the most important career you are going to begin with JEE Main 2016. Continuously we achieve success by matching more number of questions in JEE Main examinations and we hope to achieve the same in good numbers in the forthcoming JEE Main 2016 Examination.

JEE Main 2016 Sample Paper Pattern:

Each Model Paper in JEE Main covers the whole syllabus and comprises of 30 questions each from Physics, Chemistry and Mathematics from both class 11 and class 12 curriculum. Our tests are time tested and proved to be best for JEE Main exam for last four years. Continuously for last four years we proudly spot our model papers and preparatory course questions in JEE Main offline as well as online examinations. This takes us to the next step to prepare quality questions which will be useful for the purpose of real JEE Main examination.

JEE Main 2016 Sample Test Papers can be attempted online or downloaded free of cost. The Sample Paper is based on the prescribed Syllabus and exam pattern. We offer online model test papers for this Joint Entrance Examination 2016. These model papers are prepared by experienced teachers and detailed solutions are available for each and every question. We also offer Preparatory Course a unique approach for 2015 where apart from Model Test Papers students can practice chapter wise questions with varying levels of difficulty.

How to Access JEE Main 2016 Sample Paper Free:

Simply signup and create your unique user id at Entranceindia.com to access JEE Mains Free Sample Paper. You will receive your password through email after signup. Sometimes mails are delivered in spam folder. Please check your spam folder before initiating manual activation.

JEE Main Sample Papers 2016; Number of Questions:

In this downloadable PDF JEE Main Sample Paper there are 90 questions covering the entire JEE Main 2016 Syllabus and Exam Pattern. You can subscribe 15+1 Model papers for JEE Main 2016 or JEE main 2016 Preparatory Course to view and attempt complete set of JEE main Practice Papers in both chapter-wise tests as well as full syllabus tests. View your real time score after completion of the online attempt. You can order JEE Main Model papers DVD for practice.

JEE Main 2016 Model Papers can be attempted online or through DVDs. We can send you DVDs immediately after you order for the same which can reach you within 5 working days. For DVDs no internet connection is required. If you have got good net connection at home you can subscribe our online model papers by paying online. Your subscribed tests shall be activated immediately after the online payment. Each of our model papers are based on JEE Main 2016 Syllabus and JEE Main 2016 Exam Pattern. There are 30 questions each from Physics, Chemistry and Mathematics making 90 questions in total in every model paper.

To subscribe more JEE Main Practice Question Papers, Please click the below link:

Many students search for Sample Papers for engineering and medical entrance exams in India. Entranceindia deals with JEE Main, JEE Advanced, BITSAT, VITEEE, AIPMT, AIIMS, JIPMER, SRMJEEE, MANIPAL, ACET, ICAR Stream A, ICAR Stream B, NEST etc. We provide free online sample papers for all categories of engineering and medical entrance students. Students can register themselves on our website to avail these online sample papers. Our sample papers are based on the syllabus prescribed for the relevant examination and can be attempted on an online platform facilitating an exam environment. Choose your desired sample paper from the below mentioned list:

Our JEE Main Model Papers were proved best in India during the year 2013 wherefrom 9 questions came in the JEE Main 2013 Question Paper.

For All Those Students Appearing JEE MAIN 2014

(Covering both class XI and XII Syllabus, Chapter wise tests, Model Papers & Past Exam Papers)

This plan aims at providing practice papers for all the students appearing JEE Main 2014.

The plan includes both chapter wise questions (270+ chapter tests) covering the whole JEE Main syllabus (Physics, Chemistry & Mathematics) and 15+1 model test papers exactly similar to the JEE Main exam pattern

Each chapter has minimum of 50 questions at three levels (Level I, II and Revision Test) based on their complexity. This helps students to step-wise progress in their learning by going from less difficult to more difficult questions

Many questions from our JEE MAIN 2013 Model Papers found matches in JEE main 2013 Question Paper which delighted our 2013 JEE Main subscribers

The course is highly beneficial for the students attending coaching classes for JEE Main / JEE Advanced 2014 as well as other students because the chapter coverage and the model papers make them to practice many questions apart from classroom study

Since there is absolutely no time gap between Class XII examination and JEE Main examination, it is essential for students to prepare for class XII exam and JEE Main together. Our preparatory course is designed to cover both JEE Main and Class syllabus Chapter Tests

This is intended to help students practice gradually to finish the whole syllabus (both Class XI and XII) before commencement of their Board Exam and JEE MAIN 2014 Exam

JEE Main Achiever’s Plan provides you a strategy which can make you JEE MAIN & JEE Advanced 2014 Winner.

Students Planning to appear other engineering entrance exams viz. BITSAT, VITEEE, SRM, MANIPAL, AMRITA, etc during 2014 will also be benefited from the JEE MAIN 2014 Achiever’s Plan

Entranceindia has introduced flashcard based learning for the first time in India. This innovative technology shall be very effective in memorizing complicated formulas, theorems, concepts, definitions, etc.

About Flashcards:

Flashcards are latest innovation to aid memorization of large number of contents in a limited period of time. Following the principles of spaced repetition flashcards act as exercising the mental process of “Active Recall” (principle of efficient learning) resulting in increased memory effect.

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We provide large number of flashcards in Physics, Chemistry, Mathematics and Biology for JEE Main, JEE Advanced, AIPMT and other Natioanal Level Engineering and Medical entrance examinations. Our online preparatory course and practice papers include subject flashcards to be viewed and memorized by the students.