Hello,
There are total 20 marks for internal assessment. In that 10 marks are for periodic test, 5 marks for submission of notebook, 5 marks for subject enrichment activity.
For more details about each use the link below-
https://school.careers360.com/articles/cbse-10th-exam-pattern
Hope it helps.
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile