Teaching Experience

Academic Excellence • Curriculum Development • Student Mentorship

Comprehensive teaching across undergraduate, postgraduate, and competitive examination levels

Teaching Portfolio Overview

Extensive teaching experience spanning undergraduate and postgraduate zoology education, competitive examination preparation, and specialized training in ecological research methodologies. Committed to fostering scientific understanding through innovative pedagogical approaches and practical field-based learning.

Assistant Professor in Zoology
Government General Degree College, Mangalkote - The University of Burdwan
January 8, 2025 - Present
NEP::Semester I: ZOOL1011 (Non-Chordates)
Unit 1: Basics of Animal Classification
Domain and Kingdom concept; Definition: Taxonomy, Classification, and Systematics; Species concept: Typological, Biological, Evolutionary and Phylogenetic; Important rules of Zoological Nomenclature (ICZN): Principles of Priority, Synonymy, Homonymy and Typification; Linnaean Hierarchy, Taxon, Phenon, and Category; Basic principles of Phenetics and Cladistics
Unit 2: Protista and Metazoa
General characteristics and schematic classification up to phyla (Levine et al., 1980); Locomotion in Amoeba, Conjugation in Paramoecium; Metazoa: Classifying Metazoan phyla based on morphological and developmental criteria; Hypotheses of metazoan origin; Symmetry: Types and evolution
Unit 3: Porifera
General characteristics and schematic classification up to order (Hyman, 1940); Canal system and spicules of sponges
Unit 4: Cnidaria
General characteristics and schematic classification up to order (Ruppert and Barnes, 1994); Metagenesis of Obelia; Coral reef types and formation
Unit 5: Ctenophora
General characteristics
Unit 6: Platyhelminthes
General characteristics and schematic classification up to class (Ruppert and Barnes, 1994)
Unit 7: Nematoda
General characteristics and schematic classification up to class (Ruppert and Barnes, 1994)
Unit 8: Annelida
General characteristics and schematic classification up to order (Ruppert and Barnes, 1994); Metamerism: Types and origin; Nephridia: Structure and function
Unit 9: Arthropoda
General characteristics and schematic classification up to class (Ruppert and Barnes, 1994), Respiratory structures and function: Book gill, Book lung, Trachea; Eyes in Insects; Metamorphosis in insects: Types, chemistry, source of hormones
Unit 10: Onychophora
Affinities and evolutionary significance
Unit 11: Mollusca
General characteristics and schematic classification up to class (Ruppert and Barnes, 1994); modification of foot; nervous system and torsion in Gastropods
Unit 12: Echinodermata
General characteristics and schematic classification up to class (Ruppert and Barnes, 1994); Water vascular system of Asterias; Structure of tube Feet; Larval forms in Echinodermata
Unit 13: Hemichordata
General characteristics of phylum Hemichordata; relationship between non chordates and chordates
Practical Components
  • Spot identification of Protozoa: Amoeba, Euglena, and Paramoecium
  • Spot identification of Porifera: Sycon and Cliona
  • Spot identification of Cnidaria: Obelia, Pennatula, and Fungia
  • Spot identification and significance of adult Taenia solium (Platyhelminthes) and Ascaris lumbricoides (Nematoda)
  • Spot identification: Annelida (Nereis, Pheretima, Hirudinaria), Arthropoda (Balanus, Peneaus, Scylla, Carcinoscorpius, Anoplodesmus, Scolopendra, Periplaneta, Apis, Bombyx, Anopheles, Culex), Mollusca (Pila, Lamellidens, Chiton, Sepia, Octopus), Echinodermata (Asterias, Antedon, Ophiura, Echinus, Holothuria), Hemichordata (Balanoglossus)
  • Anatomy: Digestive system, and Central nervous system of Periplaneta americana
  • Mounting: Mouthparts of cockroach; head of adult mosquitoes
NEP::Semester II: ZOOL2011 (Chordates)
Unit 5: Amphibia
General characteristics and classification up to extant orders (Duellman and Trueb, 1986); Metamorphosis: Stages, anatomical and physiological changes, hormonal control; Parental care
Unit 6: Reptilia
General characteristics and classification up to living orders (Young, 1981); General features of poisonous and non-poisonous snakes; Poison apparatus (types of fangs), chemical nature of venom, and biting mechanism in snakes
Unit 7: Aves
General characteristics and classification up to living subclass (Young, 1981); Exoskeleton (beak & foot); Principles and aerodynamics of flight; Migration: Types, reasons, mechanisms, navigation, patterns and routes
Unit 8: Mammalia
General characteristics and classification up to living orders (Young, 1981); Affinities of Prototheria; Exoskeletal derivatives of mammals; Echolocation in bats and whales; Adaptive radiation in mammals with reference to locomotory Organs
Unit 9: Functional Anatomy
Fish: Gill structure (basic) and mechanism of respiration, accessory respiratory organs, swim bladder; Bird: Respiratory structures and functions; Anamniotes and Amniotes: Kidney structure and function; Bovine ruminant stomach: Special digestive structure and function
Practical Components
  • Spot Identification of Protochordate: Balanoglossus, and Branchiostoma
  • Spot Identification of Agnatha: Petromyzon, and Myxine
  • Spot Identification of Fish: Scoliodon, Sphyrna, Pristis, Torpedo, Labeo bata, Labeo rohita, Catla catla, Cirrhinus mrigala, Puntius, Amblypharyngodon, Anabas testudineus, Ctenopharyngodon idella, Heteropneustes fossilis, Clarias batrachus, Exocetus, and Echenis
  • Spot Identification of Amphibia: Necturus, Duttaphrynus, Hyla, Axolotl larva, and Tylototriton
  • Spot Identification of Reptilia: Chelone, Varanus, Mabuya, Draco, Daboia, Ptyas, Naja, Bungarus, and Hydrophis
  • Spot Identification of Aves: Pycnonotus, Psittacula, and Halcyon
  • Spot Identification of Mammalia: Pipistrellus and Funumbulus
  • Temporary staining and mounting of cycloid and ctenoid scales
  • Identification of poisonous and non-poisonous snakes
  • Anatomy: Brain, Pituitary gland and Afferent branchial arterial system of carp; Pecten of fowl
  • Fish market survey to study different fish species and preparation of a survey report
NEP::Semester III: ZOOL3012 (Cell Biology)
Unit 1. Plasma Membrane
Membrane Lipids and Proteins. Architecture of plasma membrane based on the Fluid Mosaic Model (Singer and Nicolson, 1972; Nicolson, 2014); Transport across membrane: LDL receptor-mediated endocytosis, simple diffusion (O2 and CO2 transport), facilitated diffusion (Glucose transportation, Na+ and K+ transportation), primary active transport (Na+-K+ anti-transportation), and secondary active transport (Na+-glucose co-transportation)
Unit 2. Cellular Organisation
Extracellular Matrix: Components and Their Role; Cytoskeleton: Basic structure and dynamics of actin, microtubule, and lamin; microtubule-associated motor proteins; Cell junctions: Occluding junction (tight junction and septate junction), anchoring junction (cell-cell and cell-matrix), and communicating junction (gap junction)
Unit 3. Cytoplasmic Organelles – I
Endoplasmic Reticulum: Structure and function (Co-translational translocation of proteins through ER membrane, glycosylation and chaperone-mediated folding of protein); Golgi Apparatus: Structure and functions of individual compartments, vesicular transport and cisternal maturation model of Golgi; Lysosome: Structure and functions; Protein sorting and mechanisms of vesicular transport
Unit 4. Cytoplasmic Organelles – II
Mitochondria: Outline structure, structure of FoF1 complex, Mitochondrial respiratory chain, and generation of proton motive force, chemiosmotic and binding-change hypotheses of ATP Synthesis; Nucleus: Nuclear pore complex and transportation of mRNA through nuclear pore complex; Nucleosome, solenoid, and zigzag model of DNA packaging, nucleolus
Unit 5. Cell Division
Cell cycle and its regulation in vertebrates; role of cyclins; Mitotic and meiotic cell divisions. Basic process; MTOC and its role in chromosome movement; Cancer: Properties of cancer cells in brief
Unit 6. Cell Signaling
Overview of cell signaling transduction pathways; Types of signaling molecules and receptors (Classification and examples only); Basic concept of apoptosis, cytological features of an apoptotic cell
Practical Components
NEP::Semester IV: ZOOL4013 (Comparative Endocrinology)
Unit 1. Overview
Endocrine system, classification of hormones, modes of hormone secretion and transport, feedback mechanism, neurosecretion and neurohormones
Unit 2. Invertebrate Endocrine System and Physiology
Insect hormones: Types and their release sites; endocrine regulation of insect growth, moulting and metamorphosis; Vertebrate-type hormones in crustaceans: X-organ, Y-organ, and other endocrine organs
Unit 3. Vertebrate Endocrine System
Hypothalamo-hypophysial axis; Functional aspects and regulation of hormones of endocrine glands: pituitary, pineal, thyroid, parathyroid, pancreas and adrenal; Role of hormones in homeostasis: Glucose and calcium; Hormonal control of osmoregulatory functions; Endocrine control of gestation, parturition, and lactation; Hormonal regulation of spermatogenesis and oogenesis
Unit 4. Molecular Mechanism of Hormone Actions at Cellular Level
Endocrine receptors, mechanisms of action of steroid and peptide hormones (emphasizing the role of second messengers)
Unit 5. Applied Endocrinology
Common endocrine disorders in humans, endocrine-disrupting chemicals (EDCs); Hormone mimics and their applications in insect pest management; Bioassays of hormones using RIA and ELISA
Practical Components
NEP::Semester V: ZOOL5011 (Genetics)
Unit 1. Mendelism and its Deviation
Blending inheritance, particulate theory, Mendelian principles: pair factor rule, law of dominance, law of segregation, chromosomal theory of inheritance, chromosomal basis of segregation, and independent assortment.
Deviations from Mendelian inheritance: incomplete dominance, codominance, multiple alleles, epistasis and pleiotropy.
Sex-influenced, sex-limited and sex-linked inheritance with examples from Drosophila and humans.
Unit 2. Linkage and Crossing Over
Concept of linkage (complete and incomplete).
Construction of linkage maps using three-point test cross.
Coefficient of coincidence and interference.
Molecular mechanism of crossing over: Holliday model (1964).
Unit 3. Sex Determination
Mechanisms of sex determination in Drosophila and humans.
Dosage compensation in Drosophila and humans.
Parental imprinting in humans.
Unit 4. Mutation
Types of gene mutations and mutagens (physical and chemical).
Molecular basis of spontaneous and induced mutations.
Detection of mutations in Drosophila: CLB method and attached-X method.
Chromosomal aberrations: numerical and structural variations.
Unit 5. Extra-Chromosomal Inheritance
Comparison between nuclear and extranuclear inheritance.
Maternal effects: Kappa particles in Paramecium and shell coiling in Limnaea.
Unit 6. Transposable Genetic Elements
Transposable elements in bacteria.
Ac-Ds elements in maize and P elements in Drosophila.
Transposons in humans: LINE, SINE and Alu elements.
Unit 7. Genetic Basis of Diseases
Oncogenes and their activation (mutation, gene amplification and chromosomal rearrangement). Tumour suppressor genes (Rb and p53).
Molecular diagnosis of genetic diseases: cystic fibrosis and sickle cell anaemia.
Human karyotype and karyotyping; chromosome banding techniques.
Practical Components
GATE Ecology & Evolution Tutor
Private Tutoring & Online Coaching
2022 - 2023
GATE Ecology and Evolution (EY) Complete Syllabus
Section 1: Ecology
Fundamental concepts: Abiotic and biotic components; scales (population, species, community, ecosystems, biomes); niches and habitats.

Population ecology: Population growth rates (density dependent/independent); metapopulation ecology (colonisation, persistence, extinction, patches, sources, sinks); age-structured populations.

Interactions: Types (mutualism, symbiosis, commensalism, competition, parasitism, predation, etc.); ecophysiology (physiological adaptations to abiotic environment); prey-predator interactions (Lotka-Volterra equations, etc.).

Community ecology: Community assembly, organisation and succession; species richness, evenness and diversity indices; species-area relationships; theory of island biogeography.

Ecosystem structure and function: Trophic levels and their interactions; nutrient cycles; primary and secondary productivity.
Section 2: Evolution
History of evolutionary thought: Lamarckism; Darwinism; Modern Synthesis.

Fundamentals: Variation; heritability; natural selection; fitness and adaptation; types of selection (stabilising, directional, disruptive).

Diversity of life: Origin and history of life on Earth; diversity and classification of life; systems of classification (cladistics and phenetics).

Life history strategies: Allocation of resources; trade-offs; r/K selection; semelparity and iteroparity.

Interactions: Co-evolution (co-adaptations, arms race, Red Queen hypothesis, co-speciation); prey-predator interactions (mimicry, crypsis, etc.).

Population and quantitative genetics: Origins of genetic variation; Mendelian genetics; Hardy-Weinberg equilibrium; drift; selection (one-locus two-allele model); population genetic structure (panmixia, gene flow, FST); polygenic traits; gene-environment interactions (phenotypic plasticity); heritability.

Molecular evolution and phylogenetics: Neutral theory; molecular clocks; rates of evolution; phylogenetic reconstruction; molecular systematics.

Macroevolution: Species concepts and speciation; adaptive radiation; convergence; biogeography.
Section 3: Mathematics and Quantitative Ecology
Mathematics and statistics in ecology: Simple functions (linear, quadratic, exponential, logarithmic, etc.); concept of derivatives and slope of a function; permutations and combinations; basic probability (probability of random events; sequences of events, etc.); frequency distributions and their descriptive statistics (mean, variance, coefficient of variation, correlation, etc.).

Statistical hypothesis testing: Concept of p-value; Type I and Type II errors; test statistics such as t-test and chi-square test; basics of linear regression and ANOVA.
Section 4: Behavioural Ecology
Classical ethology: Instinct; fixed action patterns; imprinting; learnt behaviour; proximate and ultimate questions.

Sensory ecology: Neuroethology; communication (chemical, acoustic and visual signalling); recognition systems.

Foraging ecology: Foraging behaviour; optimal foraging theory.

Reproduction: Cost of sex; sexual dimorphism; mate choice; sexual selection (runaway selection, good-genes, handicap principle, etc.); sexual conflict; mating systems; parental care.

Social living: Costs and benefits of group living (including responses to predators); effect of competition (scramble and contest) on group formation; dominance relationships; eusociality; kin selection; altruism; reciprocity; human behaviour.
Section 5: Applied Ecology & Evolution
Biodiversity and conservation: Importance of conserving biodiversity; ecosystem services; threats to biodiversity; invasive species; in-situ conservation (endemism, biodiversity hotspots, protected areas); ex-situ conservation; conservation genetics (genetic diversity, inbreeding depression); DNA fingerprinting and DNA barcoding.

Disease ecology and evolution: Epidemiology; zoonotic diseases; antibiotic resistance; vector control.

Plant and animal breeding: Marker-assisted breeding; genetic basis of economically important traits.

Global climate change: Causes; consequences; mitigation.
Guest Lecturer
Postgraduate Department of Conservation Biology, Durgapur Government College
January 17, 2017 - April 17, 2022
General Ecology (Theory)
Population Ecology: Population dynamics, growth patterns, life history strategies, metapopulation concepts

Community Ecology: Species interactions, community structure, succession, diversity patterns

Ecosystem Ecology: Energy flow, nutrient cycling, ecosystem structure and function

Biodiversity: Patterns of biodiversity, conservation strategies, ecosystem services, threats to biodiversity
Ecological Modelling (Theory)
Process-based Modelling: Population growth models, predator-prey interactions, competition models

Food Web Modelling: Trophic interactions, energy flow models, network dynamics

Methods of Ecological Modelling: Mathematical approaches, model validation, parameter estimation, sensitivity analysis
Ecological Census Techniques (Practical)
Vegetation sampling methods, animal survey protocols, biodiversity assessment techniques, field data collection standards, GPS usage, statistical sampling design
Ecological Modelling (Practical)
Hands-on modeling using STELLA and ECOPATH software, population dynamics simulations, ecosystem model development, data analysis and interpretation
Field Excursions and Guidance
Guided students during field trips and excursions for practical application of ecological concepts, species identification, habitat assessment, and real-world data collection experiences

Teaching Philosophy & Methodology

My teaching approach emphasizes student-centered learning, integrated knowledge application, research-informed pedagogy, and technology integration. I focus on connecting theoretical concepts with practical applications through field-based learning and comprehensive laboratory experiences that prepare students for real-world challenges in zoological sciences.