I want to do B.Tech biotechnology. So is it compulsory to have maths in main subjects because I am 12th pass with PCB?

In the last 14 days, students are advised to learn the most important topics. they should learn the repeated questions thorougly. They should revise all the important formulas and learn the diagrams.

Students can crack TN 12th exam without coaching. They should learn the lessons daily. Practicing TN 12th sample papers and past years' question papers will help students to get good marks. 

80 per cent or more is considered as a good score in TN 12th exam. 60-70 per cent is considered good. Students need to score 33% to clear TN 12th exam.

Students should prepare for TN 12th board exams as early as possible. They should study atleast 5 to 6 hours daily to score high marks in TN 12th exam. They must start preparing from the first month of the academic year.

TN 12th board exam is easy as compared to CBSE 12th board exam. The TN 12th result pass percentage in 2025 was 95.03%, where as CBSE 12th result 2025 pass percentage was 88.39%.