Sunday, 3 November 2013

THE ORIGIN AND EVOLUTION OF THE EARTH ( Assignment for the Geography Students of Class XI )


FUNDAMENTAL OF PHYSICAL GEOGRAPHY
THE ORIGIN  AND EVOLUTION OF THE EARTH


Q 1 Why are the terrestrial planets rocky?   Mark (1)
Q 2 Name the most popular theory regarding the origin of the universe.
Q 3 What is Degassing? 
Q 4 Which are the Gas Giant planets?    
Q 5 How was the Atmosphere formed?      
Q 6 How was the solid crust of the Earth formed? 
Q 7 When was the Earth formed? 
Q 8 Who first proposed the Nebular Hypothesis?  
Q 9 What is a Prostar?   
Q 10 Why do planets differ in size and temperature?      
Q 11 What are Planetesimals?      
Q 12 What is Nebula?     
Q 13 What is the mean density of earth? 
Q 14 Define galaxy. 
Q 15 Name the theory proposed by James Jean & Harold Jeffrey. 
Q 16 Who proposed the concept of steady state? 
Q 17 What is the range of diameters of individual galaxies? 
Q 18 How did modification take place in atmospheric composition? 
Q 19 What is binary theories?                    Marks (3)
Q 21 Elaborate the theory of steady state. 
Q 22 Mention the ideas of Sir George Darwin regarding the origin of the moon. 
Q 23 Explain the process of formation of galaxies. 
Q 24 How did stars form? 
Q 25 Distinguish between inner planets and outer planets.      
Q 26 Mention the reason behind the gaseous nature of Jovian planets. 
Q 27 Elaborate the stages involved in the development of present atmosphere. 
Q 28 Describe the process of development of lithosphere.  
Q 29 Briefly describe the theory given by Chamberlin and Moulton for the formation of planets. 
Q 30 Give a brief description of tidal hypothesis. 
Q 31 What are the stages considered in the development of planets?                                                       Marks (5)
Q 32 Give a detailed description of Big Bang theory. 

Q 33 Prepare the Geological Time Scale. 

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