DU BSc Zoology Syllabus 2026: Semester-Wise Details

Choosing the right electives and staying on top of each semester's topics can make a real difference for DU BSc Zoology students. The programme blends core Zoology papers with laboratory practicals, field-based project work, discipline-specific electives, and skill enhancement courses tied to applied areas like aquaculture and medical diagnostics.

This guide walks through the DU BSc Zoology Syllabus 2026, covering the subjects taught in the 1st, 2nd, and 3rd years, how to download the syllabus PDF, and the exam pattern followed across theory and practical papers. Use it to get a quick overview of the curriculum before you start semester-wise preparation.

DU BSc Zoology Subjects Complete List (Semester-Wise)

The DU BSc Zoology syllabus semester-wise plan is built around Core Courses (CC), Discipline Specific Electives (DSE), Generic Electives (GE), Skill Enhancement Courses (SEC), and Ability Enhancement Compulsory Courses (AECC). Here's a quick year-wise snapshot of the DU BSc Zoology subjects across the six semesters.

DU BSc Zoology Syllabus for 1st Year

The first year lays the groundwork in animal diversity and basic cell biology. Across Semester 1 and 2, students mainly cover:

• Non-Chordates I: Protista to Pseudocoelomates (protozoans, sponges, cnidarians, flatworms, and roundworms, along with their life cycles and economic significance)

• Principles of Ecology (population dynamics, community structure, ecosystem types, and applied ecology)

• Non-Chordates II: Coelomates (annelids, arthropods, molluscs, and echinoderms)

• Cell Biology (plasma membrane, endomembrane system, mitochondria, cytoskeleton, and cell division)

• Ability Enhancement Compulsory papers, such as Environmental Science or English/MIL Communication

• Generic Elective papers chosen from outside the Zoology discipline

Every theory paper in this year has a matching practical component, so students spend lab hours studying specimens, permanent slides, and museum models, along with field-based project work on topics like parasite life cycles or pond ecosystems.

DU BSc Zoology Syllabus for 2nd Year

The second year shifts toward vertebrate anatomy and body-system physiology. In Semester 3 and 4, the main topics are:

• Diversity of Chordates (protochordates, fish, amphibians, reptiles, birds, mammals, and zoogeography)

• Physiology: Controlling and Coordinating Systems (nervous system, muscle physiology, and the endocrine system)

• Fundamentals of Biochemistry (carbohydrates, lipids, proteins, nucleic acids, and enzymes)

• Comparative Anatomy of Vertebrates (integumentary, skeletal, digestive, respiratory, and circulatory systems)

• Physiology: Life Sustaining Systems (digestion, respiration, renal physiology, blood, and cardiac physiology)

• Biochemistry of Metabolic Processes (carbohydrate and lipid metabolism, oxidative phosphorylation)

• Skill Enhancement papers, such as Medical Diagnostics, Apiculture, or Aquarium Fish Keeping

DU BSc Zoology Syllabus for 3rd Year

The final year moves into molecular and applied zoology. In Semester 5 and 6, students study:

• Molecular Biology (DNA replication, transcription, translation, and gene regulation)

• Principles of Genetics (Mendelian and extended inheritance, linkage, mutations, and sex determination)

• Developmental Biology (gametogenesis, fertilization, embryonic development, and regeneration)

• Evolutionary Biology (evidences of evolution, natural selection, speciation, and human evolution)

• Discipline-Specific Electives, such as Animal Behaviour, Immunology, Parasitology, Wildlife Management, Biotechnology, or Fish and Fisheries

• Practical and project work tied to each core paper, with some electives allowing field visits to research labs, hatcheries, or wildlife sanctuaries

DU BSc Zoology Syllabus PDF

Download the DU BSc Zoology Syllabus PDF to go through the complete unit-wise breakdown, recommended books, and practical list for every semester. Keeping the PDF on hand makes it easier to plan revision and track topics as you finish them.

Download DU BSc Zoology Syllabus PDF

DU BSc Zoology Exam Pattern

The DU BSc Zoology exam pattern combines internal assessment with end-semester exams for both theory and practical papers. Here's the usual marks split:

Nearly every core Zoology paper carries an equal-weight practical component, so students are tested on specimen identification, slide study, and viva-voce alongside the written theory exam.

How to Prepare for DU BSc Zoology Exams

Preparing for DU BSc Zoology exams becomes easier when students divide their time between theory, practical work, and revision. The following approach can help manage the syllabus effectively:

• Break the syllabus into topics: Divide each semester’s syllabus into smaller sections and set weekly targets to complete them on time.

• Strengthen important concepts: Give extra attention to topics such as Cell Biology, Genetics, Physiology, Evolution, and Ecology, and make sure the underlying concepts are clear.

• Practise practical components: Regularly work on specimen identification, slides, laboratory procedures, and biological diagrams to improve practical preparation.

• Study from multiple sources: Combine class notes with prescribed textbooks and other reliable study material to understand complex biological processes in greater detail.

• Make revision-friendly notes: Record important definitions, classifications, processes, examples, and life cycles in a concise format for faster revision before exams.

• Practise previous questions: Solve questions from earlier university examinations to understand commonly tested topics and become familiar with the expected answer format.

• Keep revision consistent: Reserve dedicated revision time throughout the semester so that major topics do not have to be covered immediately before the examination.

Planning preparation semester by semester can help students maintain a steady pace and balance theory, practicals, and elective subjects throughout the DU BSc Zoology course.

The DU BSc Zoology syllabus 2026 offers a well-rounded curriculum spanning animal diversity, physiology, biochemistry, genetics, and applied zoology across six semesters. Students should always refer to the latest official syllabus PDF, understand the exam pattern, and plan their preparation semester-wise for the best results.