Our Changing Earth

Welcome to your Our Changing Earth

Quiz Description:

Master Class 7 Geography Chapter 3 with this focused 30-question MCQ quiz on 'Our Changing Earth.' Tailored to the NCERT syllabus, this test challenges students on key concepts like lithospheric plates, endogenic forces (earthquakes/volcanoes), and exogenic agents (rivers, wind, and ice). Perfect for quick revision and self-assessment before exams.

Name

1. The earth’s lithosphere is broken into a number of small and large pieces known as:

A) Continents

B) Lithospheric plates

C) Ocean basins

D) Magma chambers

None

2. The forces which act in the interior of the earth are called:

A) Exogenic forces

B) Gravitational forces

C) Endogenic forces

D) Frictional forces

None

3. Which of the following is an example of a sudden movement caused by endogenic forces?

A) Building mountains

B) Volcanoes

C) Deposition of sand

D) Glacial movement

None

4. The place in the crust where the movement of an earthquake starts is called the:

A) Epicenter

B) Vent

C) Focus

D) Crater

None

5. The place on the surface strictly above the focus is known as the:

A) Epicenter

B) Focus

C) Vent

D) Moraine

None

6. Which instrument is used to measure an earthquake?

A) Barometer

B) Seismograph

C) Thermometer

D) Rain Gauge

None

7. The magnitude of an earthquake is measured on which scale?

A) Celsius scale

B) Richter scale

C) Beaufort scale

D) Mercalli scale

None

8. Which of the following is NOT a type of earthquake wave?

A) P waves (Longitudinal)

B) S waves (Transverse)

C) L waves (Surface)

D) T waves (Tidal)

None

9. The massive earthquake that hit Bhuj (Gujarat) on 26th January 2001 had a magnitude of:

A) 5.4

B) 6.9

C) 7.2

D) 8.1

None

10. Molten magma inside the earth moves in a ________ manner.

A) Linear

B) Circular

C) Rectangular

D) Triangular

None

11. The wearing away of the landscape by different agents like water, wind, and ice is called:

A) Weathering

B) Erosion

C) Deposition

D) Metamorphosis

None

12. When a river tumbles at a steep angle over very hard rocks or down a steep valley side, it forms a:

A) Meander

B) Delta

C) Waterfall

D) Levee

None

13. The highest waterfall in the world, Angel Falls, is located in:

A) Venezuela (South America)

B) Canada (North America)

C) Zimbabwe (Africa)

D) India (Asia)

None

14. Niagara Falls is located on the border between which two countries?

A) Brazil and Argentina

B) USA and Canada

C) Zambia and Zimbabwe

D) India and China

None

15. As the river enters the plain, it twists and turns forming large bends known as:

A) Ox-bow lakes

B) Levees

C) Meanders

D) Stacks

None

16. Due to continuous erosion and deposition along the sides of a meander, the loop eventually cuts off from the river to form a:

A) Sea Cave

B) Lagoon

C) Ox-bow lake

D) Glacial lake

None

17. The raised banks formed alongside a river due to flooding are called:

A) Deltas

B) Levees

C) Cliffs

D) Terraces

None

18. The triangular collection of sediments at the mouth of a river is called a:

A) Delta

B) Tributary

C) Distributary

D) Estuary

None

19. Hollow like caves formed on rocks at the coast by the action of sea waves are called:

A) Sea arches

B) Stacks

C) Sea caves

D) Sea cliffs

None

20. When the roof of a sea arch collapses, only the walls are left. These wall-like features are called:

A) Sea caves

B) Stacks

C) Cliffs

D) Dunes

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21. The steep rocky coast rising almost vertically above sea water is called a:

A) Sea Cliff

B) Beach

C) Sea Arch

D) Stack

None

22. Rivers of ice are known as:

A) Icebergs

B) Glaciers

C) Frozen rivers

D) Ice sheets

None

23. The material carried by a glacier such as big and small rocks, sand, and silt gets deposited to form:

A) Sand dunes

B) Glacial Moraines

C) Floodplains

D) Deltas

None

24. Mushroom rocks are most commonly found in:

A) River valleys

B) Coastal areas

C) Glaciers

D) Deserts

None

25. The active agent of erosion and deposition in the deserts is:

A) Rain

B) Running water

C) Wind

D) Glacier

None

26. Low hill-like structures formed by the deposition of sand by wind are called:

A) Sand dunes

B) Mushroom rocks

C) Loess

D) Levees

None

27. Large deposits of Loess are primarily found in:

A) India

B) Australia

C) China

D) Egypt

None

28. Victoria Falls is associated with which river?

A) Amazon

B) Nile

C) Zambezi

D) Mississippi

None

29. Which of the following is an "Endogenic" force?

A) River

B) Wind

C) Sea Waves

D) Landslides

None

30. What happens when the Lithospheric plates move?

A) The surface of the earth vibrates

B) The earth stops rotating

C) The ocean dries up

D) Heavy rainfall occurs

None

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Our Changing Earth

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