Hi

Yes, there are some important topics or chapters from which more questions are asked i. e these chapters have high weightage in JEE Mains examination and to help you in preparation list of these important chapters is given below subject wise :-

PHYSICS

*Modern Physics:- 20 marks
*Heat and Thermodynamics :- 12 marks
*Optics:- 12 marks
*Current Electricity :- 12 marks
*Electrostatics :- 12 marks
*Magnetics :- 8 marks

CHEMISTRY

*    Transition Elements and Coordination Chemistry  :-  12 marks
* Periodic table and Representative Elements :- 12 marks
* Thermodynamics And Gaseous State:- 8 marks
* Atomic Structure:- 8 marks
* Chemical Bonding:- 8 marks
* Chemical And Ionic Equilibrium:- 8 marks

MATHS

* Coordinate Geometry  :-  20 marks
* Limits, Continuity and Differentiability :- 12 marks
* Integral Calculus :- 12 marks
* Complex numbers and Quadratic Equation :- 8 marks
* Matrices and Determinants :- 8 marks
* Statistics and Probability :- 8 marks
* Vector Algebra :- 8 marks

To help you plan your studies ,you can get the chapter wise weightage of all the chapters at

https://engineering.careers360.com/articles/jee-main-syllabus-weightage

Also,
*Make routine or timetable :- you can make a routine as well and try to give at least 8 hours or more to study , your routine should revolve around things i.e study, revise and practice

*Set daily goals like I have to cover these many topics today, weekly goals like I have to  cover these chapters this week and  solve their mcqs too by the end of this week and similarly set monthly goals to cover the syllabus and meet them without any fail.

*Solve previous year JEE MAINS questions , it will let you know the examination pattern, type question etc so that you can prepare accordingly

*Go through JEE MAINS mock test papers , it will let you know your preparation level and and weak areas so that you can work on them and perform well in your examination

To prepare well you can go for our jee mains knockout

https://learn.careers360.com/knockout-jee-main-april /

If you have any other doubt then feel free to ask them :) we are always here to help you out and guide you

Thankyou