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Quiz on Our Changing Earth | Chapter 3 NCERT Class 7 Geography MCQ | Chapter-3[ Our Changing Earth]


Chapter-3[ Our Changing Earth]


1. Match the following.

i) Biosphere  (a) blanket of air that surrounds the earth

ii) Atmosphere (b) domain of water

iii) Hydrosphere  (c) our surroundings

iv) Environment  (d) narrow zone where land water and air interact


Answer. 

  • i-d;
  • ii-a;
  • iii-b;
  • iv-c;


2. Which is not an erosional feature of sea waves?

a) Cliff

b) Beach 

c) Sea cave

d) Sea stack


  • Answer. b. Beach.
  • The beach is not an erosional feature, Beach is the depositional feature.
  • Cliffs and sea caves are erosional features of sea waves.



3. The depositional feature of a glacier is:

a) Floodplain 

b) Beach 

c) Moraine

d) Delta


Answer. c. Moraine

  • Moraine is unconsolidated( rocks, boulders, gravel, clay) deposits features of glaciers.
  • The flood plain is the depositional feature of running water,
  • The beach is a depositional feature of ocean waves.


4. Which is caused by the sudden movements of the earth?

a) Volcano

b) Folding 

c) Floodplain

d) Fold mountain


Answer. a. Volcano

The following are the sudden movement of the earth:

  • Volcano
  • Earthquake
  • Landslides


5. Mushroom rocks are found in:

a) Deserts 

b) River valleys 

c) Glaciers

d) Tundra region


Answer. a. Deserts.

  • Mushroom rocks are erosional landforms in the desert and they are made by the act of Wind.


6.  Oxbow lakes are found in:

a) Glaciers 

b) River valleys 

c) Deserts

d) Mountain


Answer. a. River Valley.

  • Oxbow lakes are made by a meandering river and they are continuous erosional and depositional work of the river.



7. Match the following.

i) Glacier  (a) Seashore

ii) Meanders  b) River of ice

iii) Beach  (c) Rivers

iv) Sand dunes  (d) Vibrations of earth

v) Waterfall  (e) Hard bedrock

vi) Earthquake  (f) Deserts


Answer.

  • i-b;
  • ii-c;
  • iii-a;
  • iv-f;
  • v-e;
  • vi-d;


8. The lithosphere is broken into a number of plates known as the

a) Lithospheric Plates

b) Mantle Plate

c) Convectional Cell

d) Rifts


Answer. a) Lithospheric Plates


9. The forces which act in the interior of the earth are called?

a) Convention Cell

b) Endogenic forces

c) Exogenic force

d) Geomorphic forces


Answer. b) Endogenic forces


10. Which of the following is a Diastrophic Endogenetic force?

a) Earthquake

b) Volcano

c) Landslides

d) Building mountains


Answer. d) Building mountains


11. Which of the following is not a Sudden Endogenetic force?

a) Earthquake

b) Volcano

c) Landslides

d) Building mountains


Answer. d) Building mountains


12. Which of the following are exogenetic forces?

a) Sea-waves

b) Volcano

c) Landslides

d) Building mountains


Answer. a) Sea-waves


13. When the Lithospheric plates move, the surface of the earth vibrates. The vibrations can travel

all around the earth. These vibrations are called?

a) Earthquake

b) Volcano

c) Landslides

d) Building mountains


Answer. a) Earthquake


14. The place in the crust where the movement of earthquake vibration starts is called the?

a) Epicenter

b) Focus

c) Centre

d) Asthenosphere


Answer. b) Focus


15. The place on the surface above the focus is called the?

a) Epicenter

b) Focus

c) Centre

d) Asthenosphere


Answer. a) Epicenter


16. The place where vibration travels outward in the form of earthquake waves is called?

a) Epicenter

b) Focus

c) Centre

d) Asthenosphere


Answer. a) Epicenter


17. An earthquake is measured with a machine called a?

a) seismograph

b) Richter scale

c) Barometer

d) Thermometer


Answer. a) seismograph


18. The magnitude of the earthquake is measured on the?

a) seismograph

b) Richter scale

c) Barometer

d) Thermometer


Answer. b) Richter scale


19. Which earthquake magnitude is considered a major earthquake?

a) 5.0 or higher magnitude

b)  6.0 or higher magnitude

c)  7.0 or higher magnitude

d)  8.0 or higher magnitude


Answer. c)  7.0 or higher magnitude


20. Which earthquake magnitude is considered a very strong earthquake?

a) 5.0 or higher magnitude

b)  6.0 or higher magnitude

c)  7.0 or higher magnitude

d)  8.0 or higher magnitude


Answer. b)  6.0 or higher magnitude


21. Breaking up the rocks on the earth’s surface is called?

a) Earthquake

b) Volcano

c) Weathering

d) Erosion


Answer. c) Weathering


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

a) Earthquake

b) Volcano

c) Weathering

d) Erosion


Answer. d) Erosion


23. Which of the following is the world's highest waterfall?

a) Victoria Falls

b) Niagara Falls

c) Angel falls

d) Jog Falls


Answer. c) Angel falls


24. Which of the following waterfalls are located on the borders of Zambia and Zimbabwe in Africa?

a) Victoria Falls

b) Niagara Falls

c) Angel falls

d) Jog Falls


Answer. a) Victoria Falls


25. Which of the following waterfalls are located on the borders between Canada and USA?

a) Victoria Falls

b) Niagara Falls

c) Angel falls

d) Jog Falls


Answer. b) Niagara Falls


26. Which of the following waterfalls are located in Venezuela in South America?

a) Victoria Falls

b) Niagara Falls

c) Angel falls

d) Jog Falls


Answer. c) Angel falls


27. When the river tumbles at a steep angle over very hard rocks or down a steep valley side, it forms a?

a) Alluvial Fan

b) Floodplain

c) Waterfall

d) Meanders


Answer. c) Waterfall


28. When the river enters the plain it twists and turns to form large bends known as?

a) Alluvial Fan

b) Floodplain

c) Waterfall

d) Meanders


Answer. d) Meanders


29. Which of the following is a depositional landform of the river?

a) Valley

b) Ox-bow lake

c) Levees

d) Waterfall


Answer. c) Levees; Levees is raised structure on the flood plain and it is a depositional landform.



30. The collection of sediments from all the distributaries' mouths forms a?

a) Valley

b) Ox-bow lake

c) Delta

d) Waterfall


Answer. c) Delta


31. The erosion and deposition of the sea waves give rise to which type of landform?

a) Fluvial landform

b) Arid landform

c) Glacial landform

d) Coastal Landform


Answer. d) Coastal Landform


32. In the coastal areas, hollow-like caves are formed on the rocks by sea waves is called?

a) Sea Arch

b) Stack

c) Sea Cave

d) Beaches


Answer. c) Sea Cave


33. Over time, the Cavities of Sea cave become bigger and bigger only the roof of the caves remain, such type of structure is called?

a) Sea Arch

b) Stack

c) Sea Cave

d) Beaches


Answer. a) Sea Arch


34. Over time, erosion breaks the roof of the sea arch, and only walls are left, these type of structure is called?

a) Sea Arch

b) Stack

c) Sea Cave

d) Beaches


Answer. b) Stack


35. Which of the following is an example of a depositional landform of sea waves?

a) Sea Arch

b) Stack

c) Sea Cave

d) Beaches


Answer. d) Beaches


36. The material carried by the glacier such as rocks big and small, sand and silt gets deposited. These deposits are called?

a) River of ice

b) Glacial moraines

c) Eskars

d) Cirque


Answer. b) Glacial moraines


37. Which of the following landform in the desert area looks like in the shape of a mushroom?

a) Sand dunes

b) Oasis

c) Mushroom rocks

d) Loess


Answer. c) Mushroom rocks


38. When winds stop blowing in the desert areas and the sand falls and gets deposited in the low hill–like structures?

a) Sand dunes

b) Oasis

c) Mushroom rocks

d) Loess


Answer. a) Sand dunes


39. When the grains of sand is very fine and light, the wind can carry them over very long distances. When such sand is deposited in large areas, what is it called?

a) Sand dunes

b) Oasis

c) Mushroom rocks

d) Loess


Answer. d) Loess


40. Which of the following is an erosional work of wind?

a) Sand dunes

b) Longitudinal dunes

c) Mushroom rocks

d) Loess


Answer. c) Mushroom rocks


41. 





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2 Comments

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Unknown
admin
22 September 2023 at 19:48 ×

I liked this quiz as it covered whole chalter and important points . This is a good material for revision of this chapter

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Unknown
admin
21 January 2024 at 12:53 ×

Very helpfull for us

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