Question

why did practical exams necessary for Board class 12th CBSE ?

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Answer 1

Answer:

A part of overall board results, practicals carry 30 to 40 marks in Class 12 board examinations conducted by CBSE. ... Unlike CBSE written exams, practicals are conduced in school, under the supervision of an external examiner.

Explanation:

that's why practical exam necessary for board class 12th

Answer 2

Answer:

Yes of course it's very very necessary and crucial. You can't take your practical for granted at least you have to attend your practical in order to get some marks. I am not saying that yu nee to prepare for it with much efforts but just that you need to attend practical's rest will be on the type of teachers in your school and your impression on them.