Origin of the earth
Various geologists have various convictions about the beginning of the Earth. It grouped into two sorts. Monistic Concept 1. (Kant’s Gaseous Hypothesis) 2.Nebular Hypothesis of Laplace ❖ Dualistic Concept 1. …
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Interior of Earth
Unnatural Sources 1. Density– 2. Pressure 3. Temperature Natural Sources 1. volcanic activity:- On the basis of the elements and liquid magma released from volcanic eruptions, it is clear that somewhere …
Latitude, Longitude, International Date Line and Time
General Introduction Latitude Some important latitude lines (i) Equator- (ii) Tropic of cancer (iii) Tropic of Capricorn (iv) Arctic Circle (v) Antarctic Circle Passing through Countries/States Equator 3 continents, 13 …
movements of the earth
General Introduction Earth is a planet of the solar system. It has two motions- (1) Rotation or daily motion (2) Revolution or annual motion. (1) Rotation or daily motion (2) …
Origin of the Universe and the Solar System
Galaxy and Nebula Origin and Evolution of Star Chandrashekhar Limit Neutron Star Black Hole Asterism Pole Star Meteorites and meteoroids Comets Theories about origin of the universe :- 1. Big …
British Governors, Governor-Generals and Viceroys in India
Understanding the role of British administrators in India is essential to grasp how colonial rule evolved over time. From early trade-based control to full political dominance, British policies were shaped …
🌱 TAXONOMY
🔹 Definition 🔹 Father of Taxonomy 🔹 Five Kingdom Classification (1969) 🦠 KINGDOM MONERA 🔹 Key Features 🔹 Examples 🔹 Special Points 🧫 KINGDOM PROTISTA 🔹 Key Features 🔹 Examples …
🌍 Evolution of Life
1. Origin of Earth & Life 2. Oparin–Haldane Theory (Chemical Evolution) 3. Chemical Evolution (Chemogeny) (i) Atomic Phase (ii) Formation of Inorganic Molecules (iii) Formation of Organic Molecules Prebiotic Soup …
🌱 Subdivisions of Biology
🔬 What is Science? 🔍 Classification of Science 🌿 Origin of Biology 🌳 Major Branches of Biology 🐾 1. Zoology 🌱 2. Botany 🦴 3. Palaeontology 🌍 4. Ecology 🧬 …
Rise and Fall of Regional Powers in India: Punjab and Mysore
India’s history during the 18th and early 19th centuries witnessed the emergence of powerful regional states that challenged declining Mughal authority and resisted British expansion. Among these, the Sikh Empire …