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BSc Zoology 5th semester syllabus PDF, BSc 5th sem Zoology notes, Molecular Biology and Biotechnology BSc Zoology notes, Economic Zoology and Applied Entomology 5th sem, BSc Zoology 5th semester important questions with answers, BSc 5th sem Zoology important questions, BSc Zoology 5th semester 1st paper model paper, Zoology BSc 5th semester syllabus in Hindi, BSc 3rd year Zoology 5th semester complete playlist, BSc 5th sem Zoology practical record file, DNA replication mechanism in prokaryotes BSc Zoology, Recombinant DNA technology and PCR full lecture.

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Course Code: ZLG0500104

Cell Biology

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Course Code: ZLG0500204

Fundamentals of Biochemistry

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Course Code: ZLG0500304

Reproductive Biology

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Course Code: ZLG0500304

Developmental Biology

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Quick Answer

1. How can I download Gauhati University 5th semester Zoology notes in PDF?

Answer: Download verified PDF notes covering Cell Biology (ZLG0500104), Biochemistry (ZLG0500204), and Reproductive Biology (ZLG0500304) using the direct unit-wise links provided above on this page.

2. What topics are covered in the GU BSc 5th Sem Zoology syllabus?

Answer: The syllabus covers Cell Biology (organelles, transport), Fundamentals of Biochemistry (biomolecules, kinetics), and Reproductive Biology (endocrinology, spermatogenesis, sex differentiation) under the FYUGP curriculum.

3. Where can I find previous year solved question papers for GU 5th Sem Zoology?

Answer: Access unit-wise solved papers with 2-mark conceptual model answers for Cell Biology, Biochemistry, and Reproductive Biology in the exam repository section below.










Cell Biology

Course Code: ZLG0500104

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Unit: 1 Overview of Cells, Plasma Membrane, Cell junctions and Endomembrane System
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Unit: 2 Mitochondria, Peroxisomes, Cytoskeleton and Nucleus
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Unit: 3 Chromosomes, Cell Division, Cell to Cell communications and Cell Deaths
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Previous Year Question Papers

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Cell Biology Paper Solution 2025

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Fundamentals Of Biochemistry

Course Code: ZLG0500204

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Unit: 1 Carbohydrates and Lipids
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Unit: 2 Amino Acids, Proteins and Nucleic Acids
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Unit: 3 Nomenclature and classification
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Previous Year Question Papers

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📄 2025 Question Paper (Major)
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📄 2025 Question Paper (Minor Set - A)
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Fundamentals Of Biochemistry Paper Solution 2025

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Reproductive Biology

Course Code: ZLG0500304

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Unit: 1 Reproductive Endocrinology
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Unit: 2 Functional anatomy of male reproduction
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Unit: 3 Functional anatomy of female reproduction
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Previous Year Question Papers

Download past question papers to test your preparation

📄 2025 Question Paper (Major)
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Reproductive Biology Paper Solution 2025

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Developmental Biology

Course Code: ZLG0500304

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Unit: 1 Gametogenesis, Fertilization and Parthenogenesis
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Unit: 2 Planes, patterns of cleavage and Organogenesis
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Unit: 3 Placenta, Metamorphosis and Teratogenesis
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Previous Year Question Papers

Download past question papers to test your preparation

📄 2025 Question Paper (Major)
📥

Developmental Biology Paper Solution 2025

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A4 Page 1
A4 Page 2
A4 Page 3
A4 Page 4
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Cell Biology

Credit: 3 (T) + 1 (P)

Code: ZLG0500104
Theory Units
Unit 1
15 Hours
Overview of Cells: Prokaryotic and Eukaryotic cells, Virus, Viroids, Mycoplasma, Prions.
Plasma Membrane: Various models of plasma membrane structure, Transport across membranes: Active and Passive transport, Facilitated transport, Types of transporters.
Cell junctions: Structure and functions of Tight junctions, Desmosomes, Gap junctions.
Endomembrane System: Structure and Functions of Endoplasmic Reticulum, Golgi Apparatus and Lysosomes.
Unit 2
15 Hours
Mitochondria: Structure, Semi-autonomous nature, Endosymbiotic hypothesis, Mitochondrial Respiratory Chain, Chemi-osmotic hypothesis.
Peroxisomes: Structure and functions.
Cytoskeleton: Structure and Functions of Microtubules, Microfilaments and Intermediate filaments, Cilia and flagella.
Nucleus: Structure of Nucleus (Nuclear envelope, Nuclear pore complex, Nucleolus).
Unit 3
15 Hours
Chromosomes: Giant chromosome (Polytene and lampbrush), Types of eukaryotic chromosomes based on centromeres, Euchromatin and Heterochromatin, DNA packaging within the nucleus (nucleosome model).
Cell Division: Mitosis, Meiosis, Cell cycle and its regulation.
Cell to Cell communications: Types of signalling molecules, Cell surface receptors and its types, second messengers, Mechanism of signal transductions of peptide and steroid hormones.
Cell Deaths: Necrosis and apoptosis, significance of apoptosis in cellular homeostasis, Mechanism of apoptosis.
Practical 30 Hours
  • Preparation of temporary stained squash of onion root tip to study various stages of mitosis.
  • Study of various stages of meiosis in testis (Grasshopper/Cockroaches/Mice/Rat).
  • Preparation of permanent slide to show the presence of Barr body in human female blood cells/cheek cells.
  • Preparation of permanent slide of blood and study of different types of blood cells.
  • Preparation of histological slides from tissues as liver, Lung, Stomach, Intestine, Kidney, Pancreas, Testes and Ovary.
  • Preparation of permanent slide for cytochemical demonstration of:
    • DNA by Feulgen reaction
    • Mucopolysaccharides and Glycogen by PAS reaction
    • Proteins by Mercuro bromophenol blue/FastGreen
    • Lipid by Sudan black B


Fundamentals of Biochemistry

Credit: 3 (T) + 1 (P)

Code: ZLG0500204
Theory Units
Unit 1: Carbohydrates and Lipids
15 Hours
Carbohydrates: Structure and Biological importance: Monosaccharides, Disaccharides, Polysaccharides and Glycoconjugates.
Lipids: Structure and Significance: Physiologically important saturated and unsaturated fatty acids, Tri-acylglycerols, Phospholipids, Glycolipids, Steroids.
Unit 2: Amino Acids, Proteins and Nucleic Acids
15 Hours
Amino acids: Structure, Classification and General properties of α-amino acids; Physiological importance of essential and non-essential α-amino acids.
Proteins: Bonds stabilizing protein structure; Levels of organization in proteins; Denaturation; Introduction to simple and conjugate proteins.
Nucleic Acids: Structure: Purines and pyrimidines, Nucleosides, Nucleotides, Nucleic acids Cot Curves: Base pairing, Denaturation and Renaturation of DNA. Types of DNA and RNA, Complementarity of DNA.
Unit 3: Enzymes and Enzyme Kinetics
15 Hours
Nomenclature and classification; Cofactors; Specificity of enzyme action; Isozymes; Mechanism of enzyme action; Enzyme kinetics; Factors affecting rate of enzyme-catalyzed reactions; Derivation of Michaelis-Menten equation, Concept of Km and Vmax, Regulation of enzyme action and Different types of Enzyme Inhibition (Competitive, Non-competitive and Uncompetitive Inhibition). Multi-substrate reactions; Allosteric enzymes and their kinetics; Regulation of enzyme action.
Practical 30 Hours
  • Qualitative tests of functional groups in carbohydrates, proteins and lipids.
  • To determine the iodine number of given oil/fat.
  • Estimation of a reducing sugar in a given sample.
  • To find the pKa value of acetic acid.
  • To study the activity of Salivary Amylase and Determination of Amylase Number.
  • To study the absorption spectrum of proteins and DNA.
  • Demonstration of proteins separation by SDS-PAGE.

Reproductive Biology

Credit: 3 (T) + 1 (P)

Code: ZLG0500304 (DSE-II)
Theory Units
Unit 1: Reproductive Endocrinology
15 Hours
Gonadal hormones and mechanism of hormone action, steroids, glycoprotein hormones and prostaglandins, hypothalamo–hypophyseal–gonadal axis, regulation of gonadotrophin secretion in male and female; Reproductive System: Development and differentiation of gonads, genital ducts, external genitalia, mechanism of sex differentiation.
Unit 2: Functional anatomy of male reproduction
20 Hours
Outline and histological study of male reproductive system in rat and human; Testis: Cellular functions, germ cell, system cell renewal; Spermatogenesis: kinetics and hormonal regulation; Androgen synthesis and metabolism; Epididymal function and sperm maturation; Accessory glands functions; Sperm transportation in male tract.
Unit 3: Functional anatomy of female reproduction
10 Hours
Outline and histological of female reproductive system in rat and human; Ovary: folliculogenesis, ovulation, corpus luteum formation and regression; Steroidogenesis and secretion of ovarian hormones; Reproductive cycles (rat and human) and their regulation, changes in the female tract; Fertilization, implantation and pregnancy in mammals.
Practical 30 Hours
  • Study of estrous cycle in rat/mice.
  • Study of histological sections from photomicrographs/ permanent slides of rat/human: testis, epididymis and accessory glands of male reproductive systems.
  • Study of histological sections from photomicrographs/ permanent slides of sections of ovary, fallopian tube, uterus (proliferative and secretory stages), cervix and vagina.
  • Total sperm count and determination of sperm motility in mammal.

DEVELOPMENTAL BIOLOGY (MAJOR-11)

Credit: 3 (T) + 1 (P)

Code: ZLG0500304 (DSE-III)
Theory Units
Unit 1
15 Hours
Gametogenesis: Spermatogenesis and Oogenesis, Type of animal eggs, egg membrane and vitellogenesis.
Fertilization: External and internal fertilization, sperm-egg interactions, biochemical events, post-fertilizations events.
Parthenogenesis: Natural haploid, diploid and cyclic parthenogenesis. Artificial stimulus for parthenogenesis and its significance.
Unit 2
15 Hours
Planes and patterns of cleavage; Types of Blastula; Embryonic induction and Organizer, Fate map construction in frog and chick.
Organogenesis: Development of heart and eye in vertebrates, Development of chick embryo up to three germ layer formation. Extra embryonic membranes in bird and mammal.
Unit 3
15 Hours
Placenta: Types, function and physiology.
Metamorphosis: Types of metamorphosis, metamorphic changes, hormonal regulations of metamorphosis in insects and amphibians.
Teratogenesis: Teratogenic agents and their effects on embryonic development. In vitro fertilization, Embryonic Stem cell (ESC), Amniocentesis.
Practical 30 Hours
  • Collection and study of different type of eggs.
  • Examination of gametes of frog/rat/mice: Sperm and ova through permanent slides or photomicrographs.
  • Study of developmental stages of Frog: Whole mounts and sections through permanent slides of cleavage stages, blastula, gastrula, neurula, tail bud stage, tadpole external and internal gill stages.
  • Study of developmental stages of Chick embryo: Whole mounts of chick through permanent slides (Hamburger and Hamilton Stages): Stage 3 (Intermediate Streak, 13 hours), Stage 4 (Definitive Streak, 18 hours), Stage 5 (Head Process, 21 hours), Stage 7 (24 hours), Stage 8 (28 hours), Stage 10 (33 hours), Stage 11 (40 hours), Stage 13 (48 hours), Stage 19 (72 hours) and Stage 24 (96 hours) of incubation.
  • Study of different types of placenta: Histological sections through permanent slides or photomicrographs.