Class 11 NCERT • Geography Book 1 (New Syllabus)
Geography Ch 02: The Origin and Evolution of the Earth
Select a topic or study module below to explore early theories, Big Bang theory, formation of planets, evolution of earth layers, atmosphere, oceans, origin of life, and comprehensive textbook solutions.
Topic 01 • Early Theories
Exploring Gaseous Hypothesis of Kant, Nebular Hypothesis of Laplace, and Binary Theories
Topic 02 • Modern Theories & Big Bang
Analyzing Expanding Universe Hypothesis, Edwin Hubble, Singular Atom, and Timeline of Expansion
Topic 03 • Formation of Planets
Studying Stages of Planet Formation, Inner Terrestrial Planets, and Outer Jovian Gas Giants
Topic 04 • Evolution of Earth Layers
Investigating Layered Structure, Density Differentiation, Crust, Mantle, Core, and Magma Chamber
Topic 05 • Atmosphere & Hydrosphere
Examining Three Stages of Atmosphere Evolution, Degassing, Solar Wind Stripping, and Water Vapor Condensation
Topic 06 • Origin of Life
Analyzing Chemical Evolution, Complex Organic Molecules, Photosynthesis, and First Single-Celled Organisms
Topic 07 • Geological Time Scale
Studying Eras, Periods, Epochs, Precambrian, Paleozoic, Mesozoic, and Cenozoic Major Geological Events
Module 08 • Solutions & Quiz