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NEET 2018 Analysis- Chapter-wise Questions and Weightage

Updated On - April 3rd 2018 by KRITIKA GUPTA

NEET 2017 was regarded as a moderately difficult exam. Last year, physics had tricky questions, while biology was slightly difficult as compared to previous years. In chemistry, inorganic section had more number of questions. Overall, the number of questions was divided equally among all the sections, i.e. 45 questions each (90 for biology). NEET Exam Pattern and Syllabus will be same as previous year. However, level of exam is expected to increase. NEET 2018 will be conducted on May 6, 2018 across 150 cities in the country. Check latest notification released for NEET

NEET 2018 Paper: Key Highlights

NEET exam dateMay 6, 2018
Total No. of Questions180
Total Marks720
Marking Scheme+4 for correct answer -1 for incorrect answer 0 for no answer 0 for more than one answer
Duration3 hours
Type of QuestionsMultiple Choice Questions (MCQs)
Exam ModeOffline

Latest Updates

  • Last date for registration extended to March 12, 2018Apply Now!
  • NIOS Candidates are now eligible to fill the application form for NEET 2018. Know Steps to Apply for NEET 2018
  • Candidates from UR category aged above 25 years and those with Biology as an additional subject may also apply for the exam
  • CBSE has added 66 new centers for NEET 2018, thus increasing the number from 84 to 150 cities. Check List of NEET 2018 Exam Cities
  • Aadhaar number and other details to be validated from UIDAI’s site to register for NEET 2018. Read About Aadhaar Requirement for NEET 2018
  • According to latest notification, for admission into UG courses in AYUSH (Ayurveda, Yoga and Naturopathy, Unani, Siddha and Homeopathy), students will now be required to appear for NEET.

Physics Paper Analysis

  • Physics is usually the toughest out of the three subjects.
  • Students can expect lengthy calculations in this section.
  • Class XI syllabus was given more weightage in NEET 2017. 
  • A lot of questions came from class XI Mechanics, Modern Physics and Electrodynamics. 
  • The paper had more questions from the syllabus of class XI than class XII.
  • There were 8 difficult, 27 medium level and 10 easy questions from this section. 
TopicNo. of QuestionsMarks
Modern Physics832
Heat and Thermodynamics520
SHM & Waves416

Important topics in Physics

Mechanics and Magnetism are usually the most important topics that carry the maximum weightage. Check Question Papers of NEET to understand the type of questions asked in the exam. Here is a list of topics that students must spend more time on:

  • Electrodynamics
  • Wave Optics
  • Semi conductors
  • Modern Physics
  • Rigid Body Dynamics
  • KTG & Thermodynamics

Given below is a chapter wise weightage of every chapter

TopicQuestions from the topicMarksWeightage (%)
Power Calculation in AC142.22%
Charging and discharging in capacitor142.22%
Banking in circular motion142.22%
Horizontal Circular Motion142.22%
Vertical Circular Motion142.22%
Electrical Instruments142.22%
Power Calculation142.22%
Electromagnetic Waves142.22%
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%
Magnetic Properties142.22%
Solenoid in Magnetic Effects of Current142.22%
Vector Algebra in Mathematical Tools284.44%
Newton Law of Motion in mechanics142.22%
The Rectilinear Motion142.22%
Bohr Model of atom142.22%
De Broglie’s Principle142.22%
Photoelectric Effect in modern physics142.22%
Centre of Mass in Rigid Body Dynamics142.22%
Circuit Problems in Semiconductor142.22%
Logic Gates of Semiconductor Devices142.22%
The Transistors142.22%
String Waves in SHM142.22%
Doppler Effect of Sound Waves142.22%
Resonance Tube in Sound Waves142.22%
Adiabatic Processes in thermodynamics142.22%
The Calorimetry142.22%
Kinetic Theory of Gases in thermodynamics142.22%
Diffraction in waves142.22%
Young’s Double Slit Experiment of wave optics142.22%
Grand total45180100%

Chemistry Paper Analysis

  • Unlike Physics, Chemistry had more questions from the class XII syllabus last year.
  • Candidates can Download Answer Key of NEET for last year to check their answers after solving the paper.
  • For many years, Inorganic Chemistry had the highest weightage but last year maximum questions were from Organic Chemistry.
  • The questions from class XI were not very tough but the ones from class XII were quite tricky.
  • Most of the questions were conceptual and application based so candidates must have total clarity about the basic concepts.
TopicNo. 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 had more weightage last year, students may expect the same to happen in NEET 2018 as well. The following topics should be on top of your priority list.

  • Chemical Bonding
  • Coordination Compounds
  • Carbonyl Compounds
  • Organic Chemistry-I

Here is a chapter wise distribution of questions and marks in Chemistry. 

TopicQuestions from the topicMarksWeightage (%)
Inorganic chemistry156033.33%
Chemical Bonding4168.89%
coordination compounds142.22%
D-Block elements142.22%
Hydrogen gas142.22%
Metallurgy process142.22%
P-Block elements4168.89%
Periodic Table of chemistry3126.67%
Organic chemistry166435.56%
Alcohol compounds142.22%
Aldehydes and Ketones compounds284.44%
Chemistry in everyday life284.44%
Ether compounds142.22%
Hydrocarbon in organic284.44%
Isomerism of compounds284.44%
Polymers and uses142.22%
Physical chemistry145631.11%
Structure of atom142.22%
Chemical Equilibrium142.22%
Chemical Kinetics284.44%
Gaseous State of matter142.22%
Ionic Equilibrium in chemistry142.22%
Solid State of matter284.44%
Solution and its colligative properties284.44%
surface chemistry142.22%
Grand Total45180100%

Biology Paper Analysis

  • Biology was a savior for students in NEET 2017.
  • It was comparatively easier then Physics and Chemistry.
  • However, students should not take it lightly since the difficulty level of Biology section has been on the rise.
  • You can take a look at the Paper Analysis of last 10 years for Biology to grasp the exam trends and pattern. 
  • This year’s biology paper is expected to be tougher.
  • There will be 90 questions, 45 each from Botany and Zoology.
  • Human Physiology and Plant Physiology were the two meaty topics carrying maximum marks. Most of the questions were from NCERT.
TopicNo. 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
Human Reproduction14
Microbes in Human Welfare312
Reproductive Health28
Strategies for Enhancement of Food Production28

Important topics in Biology

NEET 2017 biology section had 46 questions from class XII and 44 from class XI. Zoology had more questions from class XII while Botany had more questions from class XI. Plant Diversity and Human Physiology should be covered thoroughly since maximum questions are expected from them.

  • Plant Anatomy
  • Pollination
  • DNA Replication
  • Photosynthesis
  • PAGE Theory
  • Endocrine System
  • Excretory and Nervous System
  • Digestive System

Refer to the following table for a chapter-wise breakup of marks.

TopicQuestions from the topicMarksWeightage (%)
General Knowledge in Animal Diversity142.22%
Circulatory System in animals142.22%
Digestive System of animals284.44%
Respiratory System of animals284.44%
The Animal Kingdom4168.89%
 Amino Acids in bio molecules142.22%
Carbohydrate in bio molecules142.22%
Application of Biotechnology142.22%
DNA Fingerprinting in bio technology284.44%
Operon Model in bio tech142.22%
Polymerage Chain Reaction142.22%
Endocrine Glands in system3126.67%
Analogous Organs in evolution142.22%
Homologous Organs142.22%
Origin of Life142.22%
Theory of Evolution142.22%
The disease of cancer142.22%
Immunology from disease3126.67%
Nervous System in Human Physiology142.22%
Respiratory System in Human Physiology284.44%
Biological Classification of Living World142.22%
Microbes useful to human welfare284.44%
The Water Pollution142.22%
Reproduction in female284.44%
Reproduction in human284.44%
Reproductive Health284.44%
Structural Organization of Animal142.22%
Division of cell284.44%
The Cell Organelles142.22%
Cell Biology142.22%
Cell Cycle142.22%
Cell Cycle and division142.22%
Cell: The unit of life142.22%
Cell basics142.22%
Biological Classification in living world142.22%
Kingdom of plants52011.11%
Biodiversity and Conservation3126.67%
Issues of environment142.22%
Organism and Population: ecology142.22%
molecular basis of inheritance in genetics142.22%
Principle of Inheritance and variation4168.89%
Mineral Nutrition in plants142.22%
The process of Photosynthesis52011.11%
growth and development of plants142.22%
Sexual Reproduction in flowering plants52011.11%
Anatomy of Flowering Plants284.44%
Plants Morphology4168.89%
Grand Total90360100.00%


Ques. How many questions will there be from each subject?

Ans. 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.

Ques. How can I calculate my NEET Score?

Ans. you can calculate NEET Score by using the following formula (No. of correct answers X 4) – (No. of Incorrect answers X 1)

Ques. Will there be negative marking in the exam?

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

Ques. Is NCERT sufficient to clear NEET?

Ans.NCERT is the fundamental text for NEET and includes all the basic concepts that will be asked in the exam. A lot of questions are asked from the textbook. But it is good to refer to a few help books for a better idea of the type of questions asked in the exam.

Ques. What is the syllabus for NEET 2018?

Ans.The exam will include questions from the class XI and XII syllabus of Physics, Chemistry and Biology.

*The article might have information for the previous academic years, which will be updated soon subject to the notification issued by the University/College



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Sreyashi Deb

will NEET 2017 give me a state rank?

14 May, 2017 00:20

Hi Sreyashi, Yes, Neet will give you the state rank because Supreme Court of India scrapping off all institution and state level entrance tests and declaring NEET as a single entrance test for admissions to all private, central, state, dental institutions and deemed medical institutions.

15 May, 2017 14:29

What is the cut off mark for neet in Tamilnadu.

26 Apr, 2017 00:20

Hi Naveen, to catch info on NEET Cutoff, please find the link

28 Apr, 2017 12:42
puvvadi mounica rani

a block of mass 10kg is moving in x-direction with a constant speed of 10m/s.It is subjected to a regarding force F=-0.1x J/m during its travel from x=20m to x=30m.It's final kinetic energy will be?

19 Apr, 2017 00:20

Hi Mounica, Please find the answer to your query below.

The equation of motion of block moving with velocity 10 m/s and de-acceleration A = 0.1x/m = 0.1x/10 = 0.01x m/s2 is given by, 

v2 = 102 – 2 x 0.01 \(\int\limits_{20}^{30}\mathrm{0.1x}\,\mathrm{d}x\) = 100 – 0.02 [x2/2] 
    = 100 – 0.01[302-202] = 100 – 0.01[900-400] = 100 – 5 = 95
v2 = 95
and  ½ mv2 = ½ x 10 x 95 = 475 J

Therefore final kinetic energy = 475 J


19 Apr, 2017 13:33

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