MCQ Questions for Class 7 Geography: Ch 3 Our Changing Earth

MCQ Questions for Class 7 Geography: Ch 3 Our Changing Earth

1. ___ movements like earthquakes and volcanoes cause mass destruction over the surface of the earth.
(a) Slow
(b) External
(c) Sudden
(d) Erosional
► (c) Sudden

2. An earthquake is measured with a machine called a
(a) Theismograph
(b) Heismograph
(c) Seismograph
(d) Meismograph
► (c) Seismograph

3. The place in the crust where the movement starts is called the
(a) Waves
(b) Focus
(c) Epicentre
(d) Crust
► (b) Focus

4. Which of the following rivers does not form a delta?
(a) Godavari
(b) Mahanadi
(c) Narmada
(d) Krishna
► (c) Narmada

5. A massive earthquake hit Bhuj Town on
(a) 16th December 2001
(b) 26th January 2004
(c) 26th January 2001
(d) 16th December 2004
► (c) 26th January 2001

6. Natural cavity of weak rocks formed by action of waves
(a) Sea arches
(b) Stacks
(c) Sea caves
(d) Sea cliff
► (c) Sea caves

7. The place on the surface above the focus is called the
(a) Vent
(b) Earthquake
(c) Cater
(d) Epicentre
► (d) Epicentre

8. When the river tumbles at steep angle over very hard rocks or down a steep valley side it forms a
(a) Seafall
(b) Waterfall
(c) River fall
(d) Ocean fall
► (b) Waterfall

9. Which of the following is NOT exogenic force
(a) Volcano
(b) Wind
(c) Sea Waves
(d) Glaciers
► (a) Volcano

10. The earth movements are divided on the basis of the _______ which cause them to move
(a) Forces
(b) Action
(c) Water
(d) Wind
► (a) Forces

11. It is a vent in the earth's crust through which molten material erupts suddenly
(a) Crater
(b) Volcano
(c) Earthquake
(d) Crust
► (b) Volcano

12. When the wind blows, it lifts and transports sand from one place to another. When it stops blowing the sand falls and gets deposited in low hill like structures. These are called
(a) Sand dunes
(b) Stacks
(c) Mushroom rocks
(d) Loess
► (a) Sand dunes

13. The highest waterfall is
(a) Zambia Falls
(b) Angel Falls
(c) Niagara Falls
(d) Victoria Falls
► (b) Angel Falls

14. ___ is classified as a major earthquake.
(a) 2
(b) 7
(c) 5
(d) 0.5
► (b) 7

15. The forces which act in the interior of the earth are called as
(a) Slow forces
(b) Speed forces
(c) Endogenic forces
(d) Exogenic forces
► (c) Endogenic forces

16. The steep rocky coast rising almost vertically above sea water is called
(a) Sea arches
(b) Sea cliff
(c) Sea caves
(d) Stacks
► (b) Sea cliff

17. In deserts you can see rocks in the shape of a mushroom, commonly called
(a) Mushroom rocks
(b) Meshrum rocks
(c) Mushrom rocks
(d) Moshrum rocks
► (a) Mushroom rocks

18. What do you mean by erosion?
(a) Moving of plates
(b) Type of exogenic forces
(c) Wearing away of landscape
(d) None of these
► (c) Wearing away of landscape

19. Large deposits of loess is found in
(a) Japan
(b) Pakistan
(c) India
(d) China
► (d) China

20. Two types of forces are
(a) Endogenic forces and Internal forces
(b) Exogenic forces and External forces
(c) Speed forces and Slow forces
(d) Endogenic forces and Exogenic forces
► (d) Endogenic forces and Exogenic forces
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