I dont think you will be able to view the omr sheet prior to your examination.And ofcourse it will be like any usual omr sheets.Since you will four multiple choices with labels a.b,c,d in your question paper,the same pattern of the labels will replicated in the omr sheet.And provisions for answering your numerical problems will also be included.

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Since JEE Main 2020 will be held in online mode, there will not be any OMR sheet. You will be required to mark your answer for each question by ticking the circle provided before all the four options for each question (except for Integer type). For Integer type questions, you will be given a space below each question to enter the answer as Integers.