Question : What type of plate boundaries occurs along spreading centres where plates are breaking apart and pushing upward from the mantle by magma to form a new crust?
Option 1: Uniform boundaries
Option 2: Transform boundaries
Option 3: Convergent boundaries
Option 4: Divergent boundaries
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Correct Answer: Divergent boundaries
Solution : The correct option is Divergent boundaries.
Divergent boundaries refer to the plate boundaries that occur at spreading centres when tectonic plates break apart, forming new crusts. When plates diverge, they leave a gap that allows magma from the mantle to ascend to the surface and solidify into a fresh oceanic crust.
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Question : In which two layers of the Earth does the ''The Gutenberg Discontinuity'' lie?
Option 1: The crust and the mantle
Option 2: The mantle and the core
Option 3: The upper and lower mantle
Option 4: The inner and outer core
Question : Comprehension:
An earthquake is what happens when two blocks of the earth suddenly slip past one another. The surface where they slip is called the fault or fault plane. The location below the surface where the earthquake starts is called the hypocenter and the location directly above it on the surface of the earth is called the epicentre.
Sometimes an earthquake has foreshocks. These are smaller earthquakes that happen in the same place as the larger earthquake that follows. Scientists can’t tell that an earthquake is a foreshock until a larger earthquake happens. The largest main earthquake is called the mainshock. Mainshocks always have aftershocks that follow. These are smaller earthquakes that occur afterwards in the same place as the main shock. Depending on the size of the mainshock, aftershocks can continue for weeks, months, and even years after the mainshock!
The Earth has four major layers: the inner core, outer core, mantle, and crust. The crust and the top of the mantle make up a thin skin on the surface of our planet.
But this skin is not all in one piece; it is made up of many pieces, like a puzzle covering the surface of the earth. Not only that, but these puzzle pieces keep slowly moving around, sliding past one another, and bumping into each other. We call these puzzle pieces tectonic plates, and the edges of the plates are called plate boundaries. The plate boundaries are made up of many faults, and most of the earthquakes around the world occur on these faults. Since the edges of the plates are rough, they get stuck while the rest of the plate keeps moving. Finally, when the plate has moved far enough, the edges unstick on one of the faults, and there is an earthquake.
Question:
Which of the following words is the ANTONYM of the word 'boundaries' used in the passage?
Option 1: Cores
Option 2: Verges
Option 3: Rims
Option 4: Brinks
An earthquake is what happens when two blocks of the earth suddenly slip past one another. The surface where they slip is called the fault or fault plane. The location below the earth's surface where the earthquake starts is called the hypocenter and the location directly above it on the surface of the earth is called the epicentre.
What is the suitable title of the passage?
Option 1: All about earthquakes
Option 2: Fault plates
Option 3: Layers of earth
Option 4: Mainshock and aftershocks
According to the passage, which of the following statements is NOT correct?
Option 1: The crust and the top of the mantle make up a thin skin on the surface of our planet.
Option 2: Earth has 3 major layers.
Option 3: Depending on the size of the mainshock, aftershocks can continue for weeks,months, and even years.
Option 4: Sometimes an earthquake has foreshocks.
On the basis of the passage, fill in the blanks in the following sentence.
The plate boundaries are made up of many ______.
Option 1: crusts
Option 2: faults
Option 3: spaces
Option 4: cores
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