NEET 2018, 2017 – Paper Analysis & Chapter-wise weightage

NEET 2018 Paper Analysis

Analysis of previous year NEET papers will help students understand the patterns and the difficulty level of the National level examination and help in preparing for the upcoming exam. A detailed section-wise analysis of the paper is as follows:

Physics Section Analysis

  • Physics section was considered to be the most difficult.
  • The questions in the section were lengthy and mostly conceptual based
  • As per the analysis, there were 2 difficult questions, 9 moderate questions, and 34 easy questions.
  • A total of 24 questions were asked from the 12th class syllabus and 21 questions from 11 class syllabus

Chemistry Section Analysis

  • There were 20 questions from the 12th syllabus and 20 questions from the 11th syllabus.
  • Most of the questions were based on simple concepts.
  • The Chemistry section was not lengthy and relatively easier.

Biology Section Analysis.

  • A total of 46 questions were asked from the 12th syllabus and 44 questions from the 11th syllabus.
  • There were 9 difficult questions, 33 moderate questions and 48 easy questions in the biology section.
  • Biology section had questions directly from NCERT and was concept based.
  • Biology is considered to be the easiest of 3 sections

Other Facts about NEET 2018:

  • A total of 13,26, 725 students registered for NEET of whom 5,80,648 are males and 7,46,076 females.
  • Official Answer Keys for previous paper is available on
  • Apart from Hindi and English, the examinations were in languages like Urdu, Gujarati, Marathi, Oriya, Bengali, Assamese, Telugu, Tamil and Kannada.

NEET Paper Analysis 2017

The exam held in 2017 is considered to be a difficult examination. The physics section had tough questions and in chemistry, the inorganic section had the majority of questions. Even biology was considered to be slightly difficult as compared to previous years.

Physics Paper Analysis

  • This section will have lengthy calculations.
  • Class 11 syllabus was given more weightage in NEET 2017.
  • A significant number of questions were taken from topics like Mechanics, Modern Physics and Electrodynamics.
  • There were 8 difficult, 27 medium level and 10 easy questions in this section
TopicNumber of questionsMarks
Modern Physics832
Heat & Thermodynamics520
SHM and Waves416

Important Topics in Physics

There are some important topics in physics that every student must spend a considerable amount of time to understand the concepts.

  • Electrodynamics
  • KTG & Thermodynamic
  • Semiconductors
  • Rigid Body Dynamics
  • Wave Optics
  • Modern Physics
TopicNo. of questionsMarksWeightage
Power calculation in AC142.22%
Charging and discharging in a capacitor142.22%
Horizontal Circular Motion142.22%
Banking in a circular motion142.22%
Electrical Instruments142.22%
Vertical circular motion142.22%
Electromagnetic Waves142.22%
Power calculation142.22%
Coulomb’s Law in Electrostatics284.44%
Archimedes Principle in Fluid Mechanics142.22%
Magnification in Gravitation142.22%
Escape Velocity142.22%
Gravitation Potential142.22%
Magnetic field284.44%
Vector Algebra in Mathematical Tools284.44%
Solenoid in Magnetic Effects of Current142.22%
Magnetic Properties142.22%
Young’s Double Slit Experiment of wave optics142.22%
Diffraction in waves142.22%
Kinetic Theory of Gases in thermodynamics142.22%
The Calorimetry142.22%
Adiabatic Processes in thermodynamics142.22%
String waves in SHM142.22%
Resonance Tube in Sound Waves142.22%
Doppler Effect of Sound Waves142.22%
Logic Gates of Semiconductor Devices142.22%
The Transistors142.22%
Circuit Problems in Semiconductor142.22%
Centre of Mass in Rigid Body Dynamics142.22%
De Broglie’s Principle142.22%
Photoelectric Effect in modern physics142.22%
Bohr Model of an atom142.22%
Newton Law of Motion in mechanics142.22%
The rectilinear motion142.22%
Grand total45180100%

Chemistry Paper Analysis

  • The Chemistry section had more questions from the class 12 syllabus last year and was quite tricky.
  • Candidates can Download Answer Key of NEET for last year to check their answers after solving the paper.
  • Most of the questions were from Organic Chemistry last year.
  • Most of the questions were conceptual and application-based so students are advised to have a thorough understanding and total clarity about the basic concepts.

TopicNumber of questionsMarks
Inorganic Chemistry- I832
Inorganic Chemistry- II832
Organic Chemistry- I312
Organic Chemistry- II1352
Physical Chemistry- I728
Physical Chemistry- II624

Important topics in Chemistry

Since organic chemistry has gained more weightage in recent papers, there are some important topics that students must prioritize while preparing for NEET 2019

  • Organic Chemistry-I
  • Chemical Bonding
  • Carbonyl Compounds
  • Coordination Compounds
TopicQuestionMarks Weightage
Inorganic Chemistry156033.33%
Chemical bonding4168.89%
Coordination compounds142.22%
D-block elements142.22%
Hydrogen gas142.22%
Metallurgy process142.22%
Alcohol compounds142.22%
P-block elements4168.89%
Periodic table of chemistry3126.67%
Organic chemistry166435.56%
Aldehydes and Ketones compounds284.44%
Chemistry in everyday life284.44%
Hydrocarbon in organic284.44%
Isomerism of compounds284.44%
Ether compounds142.22%
Polymers and uses142.22%
Structure of atom142.22%
Chemical equilibrium142.22%
Physical chemistry145631.11%
Chemical Kinetics284.44%
Gaseous State of matter142.22%
Ionic Equilibrium in chemistry142.22%
Surface chemistry142.22%
The solid state of matter284.44%
Solution and its colligative properties284.44%
Grand total45180100%

Biology Paper Analysis

  • Biology was comparatively easier than Physics and Chemistry
  • There will be 90 questions, 45 each from Botany and Zoology.
  • It is important for students to review and do a Paper Analysis of the last 10 years for Biology to comprehend the exam trends and pattern.
  • This year’s biology paper is expected to be tougher.
  • Human Physiology and Plant Physiology were the two most important topics carrying most weightage. Most of the questions were from NCERT books.

TopicNumber of questionsMarks
Biological Classification312
Cell Biology416
Living World14
Molecular Basis of Inheritance624
Morphology of flowering plants14
Plant Anatomy312
Plant Kingdom624
Plant Morphology28
Reproduction in Flowering Plant520
Animal Kingdom312
Animal Morphology14
Animal Physiology14
Human Health and Disease312
Human Physiology1664
Microbes in Human Welfare312
Reproductive Health28
Strategies for Enhancement of Food Production28

Important Topics in Biology

As per the analysis of NEET 2017, Zoology part had more questions from class 12 syllabus while Botany section had more questions from class 11 syllabus. Plant Diversity and Human Physiology will have more weightage and should be covered thoroughly. Some important topics to cover are:

  • Plant Anatomy
  • Pollination
  • DNA Replication
  • Photosynthesis
  • PAGE Theory
  • Endocrine System
  • Excretory and Nervous System
  • Digestive System
General Knowledge in Animal Diversity142.22%
Circulatory system in animals142.22%
Amino Acids in biomolecules142.22%
Carbohydrate in biomolecules142.22%
Application of biotechnology142.22%
The Animal Kingdom4168.89%
Digestive System of animals284.44%
Respiratory System of animals284.44%
Operon Model in biotech142.22%
Polymerage Chain Reaction142.22%
Homologous organs142.22%
Analogous Organs in evolution142.22%
Origin of life142.22%
Theory of evolution142.22%
The disease of cancer142.22%
The nervous system in human physiology142.22%
DNA Fingerprinting in biotechnology284.44&
Endocrine Glands in system3126.67%
Immunology from disease3126.67%
Biological Classification of Living World142.22%
The water pollution142.22%
Organism and Population: ecology142.22%
Issues of environment142.22%
molecular basis of inheritance in genetics142.22%
Mineral nutrition in plants142.22%
growth and development of plants142.22%
Biological Classification in the living world142.22%
Cell basics142.22%
Cell cycle and division142.22%
Cell: The unit of life142.22%
Cell cycle142.22%
The Cell Organelles142.22%
Cell Biology142.22%
Structural Organization of Animal142.22%
Structural Organization of Animal142.22%
Respiratory System in Human Physiology284.44%
Microbes useful to human welfare284.44%
Reproduction in female284.44%
Reproduction in human284.44%
Reproductive health284.44%
Division of cell284.44%
Kingdom of plants52011.11%
Biodiversity and Conservation3126.67%
The principle of Inheritance and variation4168.89%
The process of Photosynthesis52011.11%
Sexual Reproduction in flowering plants52011.11%
Anatomy of Flowering Plants284.44%
Plants Morphology4168.89%
Grand total90360100%


1. How many questions will be there from each section?

There will be 45 questions from Physics, 45 from Chemistry and 90 from Biology which will have 45 questions from Botany and 45 from Zoology.

2. Is there negative marking in NEET paper?

Yes. One mark will be deducted for each incorrect answer.

3. Is NCERT sufficient to clear NEET exam?

NCERT is the fundamental text for NEET and includes all the basic concepts to be prepared for the exam. However, it is beneficial to refer to a few help-books for gaining a better idea of the type of questions that are asked in the NEET exam.