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NEST (NISER) 2018

Browse the complete Biology, Chemistry, Mathematics, and Physics question set from the NEST (NISER) 2018 paper, question by question. Each question shows a quick preview so you can jump straight to the topic or subject you want to revise. Click through to attempt the full question in practice mode, or head back to the paper-wise list to download the entire paper as a PDF.

This paper has 59 questions in total - 2 easy (3%), 50 moderate (85%) and 7 tough (12%). That's a fairly typical mix for this exam. By subject: Biology 0% easy, 100% moderate, 0% tough; Chemistry 7% easy, 67% moderate, 27% tough; Mathematics 7% easy, 80% moderate, 13% tough; Physics 0% easy, 93% moderate, 7% tough.

Biology questions were spread across 11 chapters, with Molecular Basis of Inheritance (3), Principles of Inheritance and Variation (2), and Biomolecules (B) (1) carrying the most weight. Chemistry questions were spread across 10 chapters, with General Organic Chemistry (3), Alcohols Phenols and Ethers (2), and Chemical Kinetics (2) carrying the most weight. Mathematics questions were spread across 13 chapters, with Quadratic Equation (3), Binomial Theorem (1), and Complex Number (1) carrying the most weight. Physics questions were spread across 11 chapters, with Magnetic Effects of Current (2), Oscillations (2), and Thermodynamics (2) carrying the most weight.

Biology

  1. 1In the ABC model of floral organ determination in Arabidopsis, the expression of class A genes alone determines development of sepals, expre2018Sexual Reproduction
  2. 2A cross between two plants with genotypes, PpQq and PpQq was carried out where and are dominant over and , respectively. Of the total progen2018Mendel's Laws of Inheritance
  3. 3The combination of numbered terms that correctly completes all the following statements is i. Transport through the phloem is ____ 1 ____ wh2018Mass Flow Hypothesis
  4. 4Few statements about water reabsorption in kidney are given below: i. decreased production of anti-diuretic hormone. ii. increased osmolalit2018Mammalian Urinary System
  5. 5A deer with energy reserves of 150 kJ spends 54 kJ in respiration, while 84 kJ is excreted as feces and urine. Based on this information, th2018Functions of Ecosystem
  6. 6The Russian scientist G. F. Gause carried out experiments on three species of Paramecium by growing each species separately in identical cul2018Populations
  7. 7The number of chromatids present in a human cell in the G2 phase, prophase, post-cytokinesis and G1 phase, respectively are2018Interphase
  8. 8A person had therapeutic surgery, which removed part of his stomach. Later, he started suffering from pernicious anemia. Biochemical tests s2018Stomach
  9. 9The property that is NOT common to mitochondria and chloroplasts is2018Cell Organelles
  10. 10The sequence of a double stranded DNA, which produces a pentapeptide is given below: The correct mRNA sequence corresponding to the pentapep2018Genetic Code
  11. 11Khorana performed experiments to decipher the codons that code for a particular amino acid. The results of these experiments using synthetic2018Genetic Code
  12. 12The graph given below shows the Michaelis-Menten kinetics for two reactions (R1 and R2; represented as solid and dotted lines, respectively)2018Enzymes
  13. 13In biological systems, proteins (repressors and activators) control gene expression. Repressors bind to promoters and inhibit gene expressio2018Regulation of Gene Expression
  14. 14The condition( s ) that allow( s ) a population to exist in genetic equilibrium is/are:2018Mendel's Laws of Inheritance

Chemistry

  1. 1Oxidation of with iodine results in evolution of a colorless gas, X , along with formation of NaI and hydrogen gas. Three moles of X react w2018Boron and Its Compounds
  2. 2In and , the numbers of bonds are, respectively,2018Phosphorus and Its Compounds
  3. 3The correct order of acidity is2018Electron displacement effects
  4. 4In electrolytic refining of blister copper2018Commercial Cells and Batteries
  5. 5The internal energy per mole of an ideal gas is denoted by . The same for a real gas obeying van der Waals equation is . Assuming the averag2018Real Gases and Van der Waal's Equation
  6. 6Consider a catalyzed reaction and are the rate constants for the catalyzed and uncatalyzed reactions, respectively. However, the catalyst be2018Arrhenius theory
  7. 7Complexes and absorb at 700,475 and 310 nm , respectively. The ligands and Z most likely are, respectively,2018Crystal Field Theory
  8. 8Consider the chemical reaction , being carried out in two different vessels X and Y with 1 litre solution of P in each of them. The reaction2018Rate law and rate constant
  9. 9Consider the following reaction. The major products P and Q of the reaction are2018Reactions of Ethers
  10. 10Carbocations are important intermediates in organic reactions, they are often stabilized by resonance, inductive effect and hyperconjugation2018Electron displacement effects
  11. 11A homogeneous mixture of compounds , and R is spotted on a thin layer chromatography (TLC) plate. The TLC plate is made of acidic silica. Th2018Electron displacement effects
  12. 12Consider a cyclic process for a system. Among the following, the combination of steps that can never lead to this cyclic process is2018First Law and Basic Fundamentals of Thermodynamics
  13. 13Hydrogenation of cyclohexene and benzene take place as shown below. The resonance energy of benzene is The relationship between and is2018Reactions of Benzene
  14. 14Considering the following reaction, the correct statement(s) is/are2018Reactions of Alcohols
  15. 15Three separate reversible processes (1,2 and 3) are carried out with 1 mole of an ideal gas initially at STP. In these processes, the pressu2018First Law and Basic Fundamentals of Thermodynamics

Mathematics

  1. 1Suppose and are roots of the equation where are integers and . Then is2018Relation between Roots and Coefficients
  2. 2Let and define for all integers . Then is2018Arithmetic Progression
  3. 3Let be distinct real numbers such that . Then is2018Relation between Roots and Coefficients
  4. 4Suppose the coefficient of in is equal to the coefficient of in . Then2018Terms of Binomial Expansion
  5. 5Let be such that and . Let . If then is2018Functional Equation
  6. 6Let be such that where is a positive integer. Suppose is continuous at . Then2018Continuity
  7. 7is2018Properties of Definite Integration
  8. 8A bag contains 10 coins numbered . Three friends and play a game. First, picks a coin randomly from the bag, notes down the number and retur2018Classical Definition of Probability
  9. 9Let be non-constant and differentiable functions. Define and . Then2018Product of 2 vectors
  10. 10Let be a rectangle and be the midpoint of . Suppose and meet at and meet at and meet at . Then2018Coordinate System
  11. 11Let and be two equivalence relations on a set . Then the relation on is2018Questions on Symmetric Transitive and Reflexive Properties
  12. 12Let for all where and denote the set of rational numbers and integers respectively. The number of elements in is2018Functional Equation
  13. 13For every , let be the parabola given by . Then2018Graph and Sign of Quadratic
  14. 14Let and be complex numbers such that and . Then the complex numbers and always satisfy2018Conjugate, modulus and argument
  15. 15Let . For every natural number define2018Basic Identities & T Ratios

Physics

  1. 1A disc of mass and radius rolls without slipping on a horizontal surface (see figure). If the speed of its centre is , then the magnitude of2018Angular momentum and Angular impulse
  2. 2The pressure versus temperature plot of a cyclic process for an ideal gas is shown in the figure. The corresponding density versus temperatu2018Thermodynamic Systems
  3. 3A carrom coin of radius 1.5 cm and mass 5 g strikes the side of the board at an angle with respect to the normal. The coin stays in contact 2018Impulse
  4. 4A thick walled, hollow metallic cylinder has height and inner and outer radii and , respectively. It contains water which is heated with a c2018Conduction
  5. 5A source of sound emitting at a frequency is moving towards a wall with speed . If is the speed of sound then the beat frequency heard by a 2018Doppler’s Effect
  6. 6A solenoid is constructed by winding a wire of diameter around a cylinder of a fixed height and a fixed radius such that a magnetic field of2018Magnetic Field
  7. 7The distance between an object and a screen is 18 cm . A lens of focal length 4 cm is placed between them so that the image of the object is2018Mirror Formula, Reflection in Spherical Mirror
  8. 8A tuning fork is used to set up a wave in a pipe of length closed at one end (see figure). Then,2018Organ Pipe (Vibration of Air Column)
  9. 9A particle performs simple harmonic motion. A large number of snapshots of its position are taken at random. A histogram of these positions 2018Simple Harmonic Motion
  10. 10Four infinitely long parallel wires pass through the four corners of a square PQRS of side that lies in a plane perpendicular to the wires (2018Magnetic Field
  11. 11Two solid blocks at temperatures and are put in thermal contact for a long time inside an insulated container. Choose the correct statement(2018First Law of Thermodynamics
  12. 12Consider two semi-infinite flat plates lying parallel to the -plane at and , carrying uniform surface charge densities and , respectively. T2018Electric Field and Electric Field Lines
  13. 13A particle executes simple harmonic motion with time period , amplitude and maximum speed . The particle is at the mean position when . If i2018Simple Harmonic Motion
  14. 14The force acting on a particle is given by where is a constant, is a constant vector of magnitude and is the linear momentum of the particle2018Newton's laws of motion
  15. 15Consider the circuit with an ideal p-n diode as shown. Let be the voltage applied at the terminal P . The equivalent resistance between the 2018Diodes

Frequently Asked Questions

1.How many questions are in the NEST (NISER) 2018 paper?

This paper has 59 questions in total - 14 from Biology, 15 from Chemistry, 15 from Mathematics, and 15 from Physics.

2.Can I practise questions from just one subject?

Yes. Use the Biology, Chemistry, Mathematics, and Physics tabs at the top of the page to jump directly to that subject's question set within this paper.

3.How is the NEST (NISER) 2018 paper structured?

The NEST (NISER) 2018 paper on MARKS has 59 questions, organised by subject:

  • Biology: 14 questions - 9 single-correct and 5 multiple-correct.
  • Chemistry: 15 questions - 10 single-correct and 5 multiple-correct.
  • Mathematics: 15 questions - 10 single-correct and 5 multiple-correct.
  • Physics: 15 questions - 10 single-correct and 5 multiple-correct.
4.How difficult is the NEST (NISER) 2018 paper?

Each question on MARKS carries a difficulty rating. Of the 59 rated questions in this paper, 2 (3%) are easy, 50 (85%) are medium and 7 (12%) are hard. Subject wise:

  • Biology: 0 easy, 14 medium, 0 hard
  • Chemistry: 1 easy, 10 medium, 4 hard
  • Mathematics: 1 easy, 12 medium, 2 hard
  • Physics: 0 easy, 14 medium, 1 hard
5.Which chapters were asked the most in the NEST (NISER) 2018 paper?

The chapters with the most questions in each subject were:

  • Biology: Molecular Basis of Inheritance (3) and Principles of Inheritance and Variation (2).
  • Chemistry: General Organic Chemistry (3), Alcohols Phenols and Ethers (2), and Chemical Kinetics (2).
  • Mathematics: Quadratic Equation (3).
  • Physics: Magnetic Effects of Current (2), Oscillations (2), and Thermodynamics (2).
6.Where can I find the solutions for the NEST (NISER) 2018 paper?

Open any question on this page. Its page shows the correct answer and, where one is available, the worked solution. A downloadable PDF of the whole paper is coming soon.

7.How should I use the NEST (NISER) 2018 paper to check my preparation?

Set a timer, attempt the 59 questions as you would in the exam, and only then open the answers. Note which subjects and chapters cost you the most marks, and revise those first using the chapter-wise practice for NEST (NISER). Repeating this with other papers shows whether the same weak spots keep coming back.

8.Will the NEST (NISER) 2018 paper help me prepare for NEST (NISER) 2027?

Yes. Every past paper shows the question styles and topics NEST (NISER) has asked before, and a solved paper gives you a realistic benchmark for speed and accuracy. Use it along with the other papers to spot the chapters that keep returning.