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Q18·GS Paper 1 · Prelims 2014

Dynamic Earth Surface Changes

GeographyEarth Processes and ForcesStatement-basedMediumStatic

Question

Consider the following:

1Electromagnetic radiation
2Geothermal energy
3Gravitational force
4Plate movements
5Rotation of the earth
6Revolution of the earth

Which of the above are responsible for bringing dynamic changes on the surface of the earth?

  1. 1.

    Electromagnetic radiation

  2. 2.

    Geothermal energy

  3. 3.

    Gravitational force

  4. 4.

    Plate movements

  5. 5.

    Rotation of the earth

  6. 6.

    Revolution of the earth

Options

a

1, 2, 3 and 4 only

b

1, 3, 5 and 6 only

c

2, 4, 5 and 6 only

d

1, 2, 3, 4, 5 and 6

Answer

Explanation

All six factors are responsible for bringing dynamic changes to Earth's surface. Electromagnetic radiation drives weathering and erosion through climate systems (1). Geothermal energy powers volcanism and plate tectonics (2). Gravitational force causes tides, water movement, and mass wasting (3). Plate movements cause earthquakes, volcanic activity, and mountain building (4). Rotation causes Coriolis effect, ocean currents, and wind patterns (5). Revolution creates seasonal changes affecting climate and erosion patterns (6). Each factor contributes to dynamic processes shaping the Earth's surface, making all statements correct. > Earth is dynamic through multiple forces: radiation (exogenic), geothermal + gravity + plate movement (endogenic), rotation and revolution (orbital mechanics)—all interconnected. Answer: d.

Question details

Year

2014

Paper

GS Paper 1

Question

Q18

Subject

Geography

Sub-topic

Earth Processes and Forces

Type

Statement-based

Difficulty

Medium

Nature

Static

Source hint

NCERT Geography - Geomorphology

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