This textbook has been designed to meet the needs of B.Sc. (Hons.) Fifth Semester students of Zoology as per the UGC Choice Based Credit System (CBCS). Comprehensively written, it explains the essential principles, processes and methodology of Molecular Biology and Genetics. This textbook is profusely illustrated with well-drawn labelled diagrams, flow charts and tables, not only to supplement the descriptions, but also for sound understanding of the concepts.

This textbook has been designed to meet the needs of B.Sc. (Hons.) Second Semester students of Zoology as per the UGC Choice Based Credit System (CBCS). Comprehensively written, it explains the essential principles, processes and methodology of Coelomate Non-Chordates and Cell Biology. This textbook is profusely illustrated with well-drawn labelled diagrams, flow charts and tables, not only to supplement the descriptions, but also for sound understanding of the concepts.

This textbook has been designed to meet the needs of B.Sc. (Hons.) Third Semester students of Zoology as per the new UGC Model Curriculum - Choice Based Credit System (CBCS). Comprehensively written, it explains the essential principles, processes and methodology of Chordata, Physiology and Biochemistry. This textbook is profusely illustrated with well-drawn labelled diagrams, not only to supplement the descriptions, but also for sound understanding of the concepts.

This textbook has been designed to meet the needs of B.Sc. (Hons.) First Semester students of Zoology as per the UGC Choice Based Credit System (CBCS). Comprehensively written, it explains the essential principles, processes and methodology of Acoelomate Non-Chordates along with Protista, and Ecology. This textbook is profusely illustrated with well-drawn labelled diagrams, not only to supplement the descriptions, but also for sound understanding of the concepts.

This textbook has been designed to meet the needs of B.Sc. (Hons.) Fourth Semester students of Zoology as per the UGC Choice Based Credit System (CBCS). Comprehensively written, it explains the essential principles, processes and methodology of Comparative Anatomy of Vertebrates, Animal Physiology: Life Sustaining Systems and Biochemistry of Metabolic Processes. This textbook is profusely illustrated with over 550 well-labelled diagrams, not only to supplement the descriptions, but also for sound understanding of the concepts.

This textbook has been designed to meet the needs of B.Sc. (Programme) Second Semester students of Zoology as per the UGC Choice Based Credit System (CBCS). Comprehensively written, it explains the essential principles, processes and methodology of Comparative Anatomy and Developmental Biology of Vertebrates. This textbook is profusely illustrated with over 250 well-labelled diagrams, not only to supplement the descriptions, but also for sound understanding of the concepts.

This textbook has been designed to meet the needs of B.Sc. First Semester students of Botany as per the UGC Choice Based Credit System (CBCS). It acquaints students with general characteristics, classification and economic importance of various divisions of biodiversity i.e., Microbes, Algae, Fungi and Archegoniate. While it provides strong conceptual understanding of the subject, it also helps in developing scientific outlook of the student.

For B.Sc. I year students. Matter on inclusion compounds, charge transfer complexes and clatherates in chapter 1 of organic chemistry has been rewritten to cover them thoroughly. A new chapter Thermodynamics -I containing first law of thermodynamics and thermochemistry, which forms a part of syllabus for B.Sc.-I year in some universities.

The book is written in simple lucid language and easy to understand style. * Subject matter has been fully revised in such a way that makes the scientific concepts clear and understandeable. * This edition comprises new and freshly added illustrations so that the reader may not have to refer books on cell biology. * Meets well the curricula requirements of undergraduate students of Indian Universities.

FOR B.Sc & B.Sc.(Hons) CLASSES OF ALL INDIAN UNIVERSITIES AND ALSO AS PER UGC MODEL CURRICULUMN Contents: CONTENTS:Protochordates:Hemicholrdata 1.Urochordata Cephalochordata Vertebrates : Cyclostomata 3. Agnatha, Pisces Amphibia 4. Reptilia 5. Aves Mammalia 7 Comparative Anatomy:lntegumentary System 8 Skeletal System Coelom and Digestive System 10 Respiratory System 11. Circulatory System Nervous System 13. Receptor Organs 14 Endocrine System 15 Urinogenital System 16 Embryology Some Comparative Charts of Protochordates 17 Some Comparative Charts of Vertebrate Animal Types 18 Index.