B.Sc Eligibility

After completing class 12th Science with at least 60 percent, you can apply for B.Sc.

According to CDS eligibility criteria 2020, candidates applying for the exam must be 20 to 24 years. Candidates who have passed graduation or appearing for their final year are eligible to apply for CDS exam provided they submit a relevant certificate of passing the examination at the time of commencement of course.

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B.Ed Course Eligibility:
A minimum aggregate score of 50% in graduation is a requisite for admission. A minimum aggregate score of 55% at post-graduate level is mandatory for admission into colleges

Yes, you can pursue this course.
B.Sc in Hotel Management is a 3-year full-time undergraduate course, the minimum eligibility for which is a Higher Secondary Certificate (10+2 qualification) with a minimum aggregate score of 50% in best four relevant subject.

please check the prospectus of the course provided by the university to know about the dates, admission procedure, eligibility criteria, fees , course structure etc

https://www.shiksha.com/science/colleges/m-sc-biochemistry-colleges-india
This link will help you.

Please visit:
https://christuniversity.in/sciences/physics-and-electronics/bachelor-of-science-bsc-in-physics-chemistry-maths-pcm/444

HSC examination with 50% marks and Mathematics as a subject, Merit list based on the candidates score in top-four subjects in the qualifying exam.

The minimum qualification required for entry into B. Ed course is Bachelor of Arts (B.A), Bachelor of Science (B.Sc.) or Bachelor of Commerce (B.Com.) from a recognized board/university with at least 50% marks.