JEE Exam occur in two rounds:
JEE Mains
B.E/B.Tech – Physics, Chemistry and Maths. Each section consists 25 questions for 100 marks each. Thus the whole paper is for 300 marks.
B.Arch – Aptitude, Mathematics and Drawing. Aptitude section have the maximum number of questions i.e. 50 whereas Mathematics section have 25 questions and Drawing section have only 2 questions. The whole paper is for 400 marks.
B.Planning – Mathematics, Planning and Aptitude. Aptitude section consists of 50 questions whereas mathematics and planning sections have 25 questions each. The whole paper is for 400 marks.
JEE Advanced
It consists of Paper I and Paper II. They both have multiple choice questions that tests academic, comprehensive, analytical and reasoning abilities of a candidate. The duration for each paper is 3 hours.