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प्रश्न
Define plate tectonics.
Define the term tectonic plates.
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उत्तर १
The lithosphere is divided into a number of huge slabs of rocks called ‘Tectonic Plates’. These tectonic plates are divided into major and micro plates. These plates float independently over the mantle.
उत्तर २
The term tectonic plates is defined as massive, irregularly shaped slabs of solid rock, generally composed of both continental and oceanic lithosphere. These plates make up the earth’s crust and are constantly moving because they rest on the molten magma beneath them.
संबंधित प्रश्न
Match the following
| 1. Endogenetic process | Seismograph |
| 2. Mantle | Subduction Zone |
| 3. Convergent boundaries | Volcanic |
| 4. Earthquake | Pacific Ocean |
| 5. Composite volcano | SIMA |
Write a note on the internal and external processes of Earth.
Earthquake is the shaking or trembling of the Earth’s ______.
Volcanic eruption causes ______.
Match the following:
| (a) | Convergent Boundary | (i) | Away from each other |
| (b) | Divergent Boundary | (ii) | Tectonic Plates |
| (c) | Transform Boundary | (iii) | Towards each other |
| (d) | Huge slabs of rocks | (iv) | Folding |
| (e) | Lateral compressional forces | (v) | Horizontally past each other |
Consider the given statement:
Statement I: Volcanoes can also be classified based on the periodicity of eruptions, as Active volcano, Dormant volcano, and Extinct volcano.
Statement II: A lava dome is roughly a circular mound formed due to the slow ejection of viscous lava from a volcano.
Which of the following statements(s) is/are true?
Explain the major components of a volcano.
Pacific Ring of Fire – What do you understand by the term?
These waves are the fastest of all the Earthquake waves.
Give an account tsunami.
