B.Sc

No, you have to take admission in the first year.

No, no such institution gives admission like this. You can give the backlog papers, but you already have gapped four years. I don't think you will be allowed now.

Hello Sneha,
BVP conducts offline exam for selecting students for it's various exams. For this student must apply online. The admit card is downloadable and is also sent by post. I am attaching a link that will give you all the required information about different aspects of the CET conducted by BVP

To the best of my knowledge, there is no entrance test for B.Sc. In DU. The admission is conducted merit-based as determined by various cutoffs issued by DU.

Your marks is very low. So, there is very less chance to get any of this course. Good luck.

Hi Sakshi, for getting admission in Delhi University for B.Sc Honours courses in botany, you need not appear in any entrance exam. Admission will be done on the basis of your class 12th board score.
Best of luck.

Hi Rishika,Yes, you will be eligible to apply in Armed Forces Medical College for Post Basic B.Sc Nursing.

this is only for girls.

Yes, your rank is good enough to get admission here. You can apply for admission.
Good luck.