Dear aspirant,

It depends on the graduate program.That  is it varies with the university offering the program.check the eligibility for msc.zoology in the university or institute where you are seeking to get admission.Generally some programs may require a degree in zoology, other programs may require a degree in a natural science.

General Eligibility Criteria for M.Sc:

• Candidates must have passed B.Sc in zoology from a recognised university and college.

• Candidates who have passed allied medical sciences/biosciences/life sciences are also eligible to apply.

• They are required to have a minimum of 50 per cent at  B.Sc.

Good luck.