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Question

Q. Consider the statements regarding different types of plate boundaries:

Which of the above statements is/are correct?

A

1 only
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B

2 only
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C

Both 1 and 2
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D

Neither 1 nor 2
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Solution

The correct option is D
Neither 1 nor 2
Explanation:

Statement 1 is incorrect: Divergent plate boundary or constructive plate boundary: A tectonic boundary where two plates are moving away from each other and a new crust is forming from magma that rises to the earth's surface between the two plates. The middle of the Red Sea and the mid-ocean ridge are divergent plate boundaries.

Statement 2 is incorrect: Convergent plate boundary or a destructive plate boundary: It is a tectonic boundary where two plates move towards each other. If the two plates are of equal density, they usually push up against each other, forming a mountain chain. If they are of unequal density, one plate usually sinks beneath the other in a subduction zone. However, in case of a divergent plate boundary, a consistent upwelling of molten magma takes place due to the incessant convection current in the mantle.

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