The B.Sc. CBZ (Chemistry, Botany, Zoology) course includes subjects from all three streams. In Chemistry, you will study Inorganic, Organic, and Physical Chemistry. In Botany, topics like Cell Biology, Plant Physiology, Ecology, and Genetics are covered. Zoology includes Animal Diversity, Physiology, Evolution, and Developmental Biology. The syllabus may slightly differ depending on the university. Some commonly used books are: Pradeep's Chemistry , Puri & Sharma , and Morrison & Boyd for Chemistry B.R. Vashishta and Pandey & Trivedi for Botany E.L. Jordan & P.S. Verma and Kotpal Series for Zoology These books are widely followed by students and are helpful for exam preparation. Always check your university’s official syllabus for exact topics. Hope it helps !