Science

Explore ecomprehensive Science notes, fundamental concepts, and study resources covering Physics, Chemistry, and Biology. Designed specifically for academic excellence, competitive exams, and quick revision, this section breaks down complex scientific theories into easy-to-understand topics and structured guides.

Locomotion and Movement

ImgResizer Vertebral Column

Quick Summary: Locomotion and Movement covering Types of Movements (Amoeboid, Ciliary, Muscular), Muscle Types (Skeletal, Smooth, Cardiac), Ultrastructure of Skeletal Muscle & Sarcomere, Actin & Myosin Filament Proteins, Mechanism of Muscle Contraction (Sliding Filament Theory, Neuromuscular Junction, Sarcotubular System), Red vs. White Muscle Fibres, Axial & Appendicular Skeleton (206 Bones), Skull, Vertebral Column, Ribs, Girdles,

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Neural Control and Coordination

ImgResizer Brain Scan Angiogram With Brain Anatomy Diagram

Quick Summary: Neural Control and Coordination covering Neuron Anatomy & Types (Apolar, Unipolar, Bipolar, Multipolar, Pseudounipolar), Myelination & Saltatory Conduction, Electrical Transmission (Resting, Depolarization, Repolarization, Action Potential), Chemical Synapse & Neurotransmitters (Excitatory vs Inhibitory), Nervous System Divisions (CNS & PNS), Brain Structure (Forebrain, Midbrain, Hindbrain), Meninges & CSF, Limbic System, and Functional Brain Centers. Neural

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Chemical Coordination and Integration

Quick Summary: Chemical Coordination and Integration covering Endocrine vs Exocrine Glands, Hypothalamus Neurohormones, Pituitary Gland Divisions (Adenohypophysis & Neurohypophysis), Growth Hormone Disorders (Gigantism, Acromegaly, Dwarfism), Thyroid Gland ($T_3, T_4$, Calcitonin & Disorders), Parathyroid Hormone (PTH), Thymus Gland, Pineal Gland (Melatonin), Adrenal Gland (Medulla Catecholamines & Cortex Corticoids), and Pancreas (Insulin & Glucagon Regulation). Chemical Coordination

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Principles of Inheritance and Variation

Gene enhancer.svg

Quick Summary: Genetics Principles of Inheritance and Variation covering Mendelian Terminology, Garden Pea Selection, Monohybrid & Dihybrid Crosses, Punnett Squares & Shortcut Formulas, Test Cross & Back Cross, Non-Mendelian Genetics (Incomplete Dominance, Co-dominance, Multiple Allelism, Pleiotropy, Polygenic Inheritance), Epistasis, Chromosomal Theory of Inheritance, Morgan’s Drosophila Experiments & Linkage Groups, Recombination & Gene Mapping, and Chromosomal/Environmental

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Molecular Basis of Inheritance

RNA codons.svg

🧬 Molecular Basis of Inheritance – The Blueprint of Life Quick Summary: Molecular Basis of Inheritance covering DNA/RNA Structure, Nucleotides & Bonds, Chargaff’s Rules & Numericals, Double Helix Anatomy, DNA Packaging (Histones & Nucleosome), Griffith & Hershey-Chase Experiments, DNA Replication Mechanics (Enzymes, Y-Fork, Meselson-Stahl), Transcription Unit (Promoter, Structural Gene, Terminator), Post-Transcriptional Modifications (Splicing, Capping, Tailing),

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Plant Reproductive System

Quick Summary: Plant Reproductive System, Flower Structure & Whorls, Microsporogenesis & Anther Wall Layers (Epidermis, Endothecium, Middle Layer, Tapetum), Pollen Structure (Exine & Intine), Pollen Viability & Storage, Gynoecium & Ovule Types (Anatropous, Orthotropous, etc.), Megasporogenesis & 7-celled 8-nucleate Embryo Sac Development, Pollination Types (Autogamy, Geitonogamy, Xenogamy) & Agents (Wind, Water, Insects), Outbreeding Devices, Double

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Plant Kingdom

Quick Summary: Plant Kingdom covering Systems of Classification (Artificial, Natural, Phylogenetic), Plant Kingdom Terminology, Algae / Thallophyta (Chlorophyceae, Phaeophyceae, Rhodophyceae comparison), Bryophytes (Liverworts & Mosses, Life Cycle, Importance), Pteridophytes (First Vascular Plants, Prothallus, Sporophylls, 4 Classes), Gymnosperms (Naked Seeds, Pinus vs. Cycas comparison, Life Cycle), and Angiosperm Extremes. 1. Systems of Classification & Botanical Terminology

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Biotechnology: Principles and Processes

ImgResizer rDNA

Quick Summary: Biotechnology covering EFB Definition, Principles of Genetic Engineering & Bioprocess Engineering, Key Tools of Recombinant DNA (rDNA) Technology, Restriction Enzymes (Endonucleases vs Exonucleases, Palindromic Cleavage, Sticky vs Blunt Ends), Cloning Vectors (pBR322 Map, Selectable Markers, Insertional Inactivation, pUC8, Ti-Plasmid, Retroviruses), Steps in rDNA Technology (Isolation, Gel Electrophoresis, PCR Amplification, Ligation, Host Transformation/Competent Cells,

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Biotechnology and Its Applications

ImgResizer RNA

Quick Summary: Biotechnology, Critical Research Areas of Biotechnology, Agricultural Applications (Green Revolution vs. Tissue Culture vs. GMOs), Golden Rice, Pest-Resistant Plants (Bt Cotton & Cry Genes, Transgenic Hirudin), RNA Interference (RNAi in Tobacco against Meloidogyne incognita, Flavr Savr Tomato), Medical Applications (Humulin / Recombinant Insulin Synthesis, Gene Therapy for ADA Deficiency), and Molecular Diagnostics (PCR,

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Biological Classification

Quick Summary: Biological Classification covering Systems of Classification (Aristotle, 2-Kingdom Linnaeus, 3-Kingdom Haeckel, 4-Kingdom Copeland, 5-Kingdom Whittaker, 3-Domain Carl Woese), Kingdom Monera (Archaebacteria, Cyanobacteria, Heterocysts, Mycoplasma, Bacterial Nutrition & Reproduction), Kingdom Protista (Chrysophytes, Dinoflagellates, Euglenoids, Slime Moulds, Protozoans), Kingdom Fungi (Spore Types, Plasmogamy/Karyogamy, Dikaryon Phase, Phycomycetes, Ascomycetes, Basidiomycetes, Deuteromycetes), and acellular organisms. Biological Classification 1.

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Photosynthesis in Higher Plants

Quick Summary: Plant Physiology covering Early Historical Experiments (Priestley, Ingenhousz, Sachs, Van Niel, Ruben & Kamen), Chloroplast Anatomy & Chloroplast Movement, Light-Harvesting Complexes & Photosynthetic Pigments (Chlorophyll-a, b, Carotenoids, Xanthophylls), Action vs. Absorption Spectrum (Engelmann’s Experiment), Cyclic vs. Non-Cyclic Photophosphorylation (Z-Scheme & Oxygen Evolving Complex), Mitchell’s Chemiosmotic Hypothesis (Proton Gradient & ATP Yield), $C_3$ Calvin

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