The percentage of the PCM as well as the overall marks matters from examination to examination. For example, ICAR have the agricultural entrance which have a eligibility:

Candidates belonging to General and OBC category must have at least 60% marks in aggregate, whereas candidates belonging to SC, ST and PC category must have at least 50% marks in aggregate.

To know more about ICAR AIEEA visit the link below:

https://university.careers360.com/articles/icar-aieea#:~:text=ICAR%20AIEEA%202021%20Eligibility%20Criteria%20%2D%20PG&text=Candidates%20belonging%20to%20General%20and,Candidates%20appearing%20for%20M.V.

To know more about GSEB SSC result, visit the link below:

https://school.careers360.com/articles/gseb-ssc-result

I hope this answer helps. All the very best for your future endeavors!