Hello student,
BSc nursing is a 4years long same professional degree course. The basic eligibility criteria is that you should pass your 10 + 2 level with English, Physics, Chemistry, Biology or Botany and Zoology with minimum of 45 to 50% number.
Actually the number all the percentage in depends upon the ability,the difficulty etc. Thats why its quiet difficult to say about the maximum percentage which can be acquired in BSC nursing examination however it can be 99% is well but if you want to get BSc nursing in top colleges your school should be good nursing colleges in Tamilnadu in Chennai.
You can go through this link below to know more about colleges
https://university.careers360.com/colleges/list-of-bsc-in-nursing-science-degree-colleges-in-tamil-nadu?city=Chennai .
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