CBSE Class 9 Social Science Shaping of the Earth’s Surface (Class 9 NCERT New) Quiz 1

1. The theory of plate tectonics was proposed by:

A Isaac Newton B Alfred Wegener C Charles Darwin D Galileo Galilei

2. The movement of plates is caused by:

A Gravity B Ocean waves C Convection currents D Wind

3. The innermost layer of the Earth is:

A Mantle B Crust C Core D Lithosphere

4. The mantle lies between:

A Crust and Core B Core and Crust C Lithosphere and Core D Core and Atmosphere

5. The instrument used to measure earthquakes is

A Thermometer B Seismograph C Barometer D Anemometer

6. A sudden flood caused by glacial lake burst is called

A Tsunami B GLOF C Cyclone D Tornado

7. A rapid downward movement of rock and soil is

A Avalanche B Landslide C Flood D Erosion

8. Avalanches occur mainly in

A Plains B Coastal areas C Mountain regions D Deserts

9. The outermost layer of the Earth is called.

A Core B Mantle C Crust D Lithosphere

10. A boundary where plates move apart is called.

A Convergent B Divergent C Transform D Fold