The goal of the book is to present the practical knowledge of Zoology. Animal diversity, venomous and non-venomous snakes, study of birds, brain of fowl and hyoid apparatus, sclerotic plates, pecten and collumella of fowl, scales of fishes, biochemical tests, activity of salivary amylase, estimation of total protein and lipid, DNA isolation and estimation of uric acid are given in separate chapters. Economic importance of insects like Helicoverpa armigera, Papilio demoleus, Pyrilla perpusilla, Tribolium castaneum, Callosobruchus chinensis and Sitophilus oryzae. Insect Vectors of Human Diseases like Pediculus humanus, Culex pipiens, Anopheles gambiae, Aedes aegypti, Xenopsylla cheopis are neatly described. Estrus cycle, histology of reproductive organs and surgical techniques like ovariectomy, hysterectomy, castration and vasectomy in rat, animal house of noraml and experimental animals, human vaginal exfoliate cytology, study of sperm count and sperm motility, contraceptive devices, how to write educational tour report and laboratory preparations will be significant in understanding the reproductive biology and applied Zoology. This book serves as a valuable source of information for students of Zoology appearing for various universities exams.'