The MSc Zoology eligibility criteria for DU is 55% for UR and 50% OBC/SC/ST.

For the syllabus of the entrance you can follow the link provided below:

http://www.du.ac.in/du/uploads/Syllabus_2015/B.Sc.%20Hons.%20Zoology.pdf

The paper will contain 100 marks.

To know more about DU entrance you can visit the link below:

https://university.careers360.com/articles/du-pg-admission

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