M.Sc. Zoology – Stands for Master of Science in Zoology. An M.Sc. is a two year postgraduate degree, eligibility for which is an undergraduate degree in the stream of science. Zoology is the branch of Biology that scientifically studies the structure, function, behavior, and evolution of animals. Subjects usually studied under this degree are Structure & Functions of Invertebrates, Quantitative Biology, Bioinformatics, Molecular Cell Biology, Genetics, Animal Physiology, Biomolecules, Structural Biology, Environmental Physiology, Biosystematics, Taxonomy & Evolution, Genes & Differentiation, Animal Behaviour, Endocrinology etc.