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Which one of the following statements with regard to volcanoes is not correct?
- a)Stratovolcanoes produce lava flows that initially follow valleys but are highly resistant to erosion.
- b)The surrounding areas can remain highlands, lava ridges or mesas.
- c)Hawaiian shield volcanoes are eroded by streams that form deeply carved valleys with steeply sloping heads.
- d)The system of streams on a dissected volcano cone is not a radial drainage pattern.
Correct answer is option 'D'. Can you explain this answer?
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Which one of the following statements with regard to volcanoes is not ...
A volcano is a rupture in the crust of a planetary-mass object, such as Earth, that allows hot lava, volcanic ash, and gases to escape from a magma chamber below the surface. The system of streams on a dissected volcano cone is a radial drainage pattern.
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Which one of the following statements with regard to volcanoes is not ...
The correct answer is option 'D': The system of streams on a dissected volcano cone is not a radial drainage pattern.
Explanation:
Stratovolcanoes, also known as composite volcanoes, are tall, conical volcanoes formed by alternating layers of lava flows, volcanic ash, and other volcanic materials. They are characterized by explosive eruptions and produce viscous lava flows that can initially follow valleys. However, these lava flows are highly resistant to erosion, which means they tend to preserve their shape and do not easily erode away. Therefore, statement (a) is correct.
The surrounding areas of a volcano can take various forms depending on the type of volcano and the erosion processes that have occurred. These volcanic landforms can include highlands, lava ridges, and mesas. Highlands refer to elevated areas that have not been significantly eroded, while lava ridges and mesas are formed when lava flows harden and create resistant layers that are more resistant to erosion compared to the surrounding materials. Therefore, statement (b) is also correct.
Hawaiian shield volcanoes are characterized by their broad, gently sloping shape and are formed by the accumulation of fluid lava flows. Over time, these volcanoes can be eroded by streams that form deeply carved valleys with steeply sloping heads. The erosion of shield volcanoes by streams is a common phenomenon, and therefore, statement (c) is correct.
A radial drainage pattern refers to a network of streams that radiate outward from a central point, resembling the spokes of a wheel. This type of drainage pattern is often observed on volcanic cones where streams flow down the slopes in a radial pattern. However, a dissected volcano cone refers to a volcano that has undergone extensive erosion, resulting in the formation of deep valleys and gorges. In this case, the drainage pattern is not radial but rather follows the topography of the dissected cone. Therefore, statement (d) is incorrect.
In summary, all of the statements regarding volcanoes are correct except for statement (d), which states that the system of streams on a dissected volcano cone is not a radial drainage pattern.
Explanation:
Stratovolcanoes, also known as composite volcanoes, are tall, conical volcanoes formed by alternating layers of lava flows, volcanic ash, and other volcanic materials. They are characterized by explosive eruptions and produce viscous lava flows that can initially follow valleys. However, these lava flows are highly resistant to erosion, which means they tend to preserve their shape and do not easily erode away. Therefore, statement (a) is correct.
The surrounding areas of a volcano can take various forms depending on the type of volcano and the erosion processes that have occurred. These volcanic landforms can include highlands, lava ridges, and mesas. Highlands refer to elevated areas that have not been significantly eroded, while lava ridges and mesas are formed when lava flows harden and create resistant layers that are more resistant to erosion compared to the surrounding materials. Therefore, statement (b) is also correct.
Hawaiian shield volcanoes are characterized by their broad, gently sloping shape and are formed by the accumulation of fluid lava flows. Over time, these volcanoes can be eroded by streams that form deeply carved valleys with steeply sloping heads. The erosion of shield volcanoes by streams is a common phenomenon, and therefore, statement (c) is correct.
A radial drainage pattern refers to a network of streams that radiate outward from a central point, resembling the spokes of a wheel. This type of drainage pattern is often observed on volcanic cones where streams flow down the slopes in a radial pattern. However, a dissected volcano cone refers to a volcano that has undergone extensive erosion, resulting in the formation of deep valleys and gorges. In this case, the drainage pattern is not radial but rather follows the topography of the dissected cone. Therefore, statement (d) is incorrect.
In summary, all of the statements regarding volcanoes are correct except for statement (d), which states that the system of streams on a dissected volcano cone is not a radial drainage pattern.
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Which one of the following statements with regard to volcanoes is not correct?a)Stratovolcanoes produce lava flows that initially follow valleys but are highly resistant to erosion.b)The surrounding areas can remain highlands, lava ridges or mesas.c)Hawaiian shield volcanoes are eroded by streams that form deeply carved valleys with steeply sloping heads.d)The system of streams on a dissected volcano cone is not a radial drainage pattern.Correct answer is option 'D'. Can you explain this answer?
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Which one of the following statements with regard to volcanoes is not correct?a)Stratovolcanoes produce lava flows that initially follow valleys but are highly resistant to erosion.b)The surrounding areas can remain highlands, lava ridges or mesas.c)Hawaiian shield volcanoes are eroded by streams that form deeply carved valleys with steeply sloping heads.d)The system of streams on a dissected volcano cone is not a radial drainage pattern.Correct answer is option 'D'. Can you explain this answer? for Defence 2024 is part of Defence preparation. The Question and answers have been prepared according to the Defence exam syllabus. Information about Which one of the following statements with regard to volcanoes is not correct?a)Stratovolcanoes produce lava flows that initially follow valleys but are highly resistant to erosion.b)The surrounding areas can remain highlands, lava ridges or mesas.c)Hawaiian shield volcanoes are eroded by streams that form deeply carved valleys with steeply sloping heads.d)The system of streams on a dissected volcano cone is not a radial drainage pattern.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Defence 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following statements with regard to volcanoes is not correct?a)Stratovolcanoes produce lava flows that initially follow valleys but are highly resistant to erosion.b)The surrounding areas can remain highlands, lava ridges or mesas.c)Hawaiian shield volcanoes are eroded by streams that form deeply carved valleys with steeply sloping heads.d)The system of streams on a dissected volcano cone is not a radial drainage pattern.Correct answer is option 'D'. Can you explain this answer?.
Which one of the following statements with regard to volcanoes is not correct?a)Stratovolcanoes produce lava flows that initially follow valleys but are highly resistant to erosion.b)The surrounding areas can remain highlands, lava ridges or mesas.c)Hawaiian shield volcanoes are eroded by streams that form deeply carved valleys with steeply sloping heads.d)The system of streams on a dissected volcano cone is not a radial drainage pattern.Correct answer is option 'D'. Can you explain this answer? for Defence 2024 is part of Defence preparation. The Question and answers have been prepared according to the Defence exam syllabus. Information about Which one of the following statements with regard to volcanoes is not correct?a)Stratovolcanoes produce lava flows that initially follow valleys but are highly resistant to erosion.b)The surrounding areas can remain highlands, lava ridges or mesas.c)Hawaiian shield volcanoes are eroded by streams that form deeply carved valleys with steeply sloping heads.d)The system of streams on a dissected volcano cone is not a radial drainage pattern.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Defence 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one of the following statements with regard to volcanoes is not correct?a)Stratovolcanoes produce lava flows that initially follow valleys but are highly resistant to erosion.b)The surrounding areas can remain highlands, lava ridges or mesas.c)Hawaiian shield volcanoes are eroded by streams that form deeply carved valleys with steeply sloping heads.d)The system of streams on a dissected volcano cone is not a radial drainage pattern.Correct answer is option 'D'. Can you explain this answer?.
Solutions for Which one of the following statements with regard to volcanoes is not correct?a)Stratovolcanoes produce lava flows that initially follow valleys but are highly resistant to erosion.b)The surrounding areas can remain highlands, lava ridges or mesas.c)Hawaiian shield volcanoes are eroded by streams that form deeply carved valleys with steeply sloping heads.d)The system of streams on a dissected volcano cone is not a radial drainage pattern.Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Defence.
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ample number of questions to practice Which one of the following statements with regard to volcanoes is not correct?a)Stratovolcanoes produce lava flows that initially follow valleys but are highly resistant to erosion.b)The surrounding areas can remain highlands, lava ridges or mesas.c)Hawaiian shield volcanoes are eroded by streams that form deeply carved valleys with steeply sloping heads.d)The system of streams on a dissected volcano cone is not a radial drainage pattern.Correct answer is option 'D'. Can you explain this answer? tests, examples and also practice Defence tests.
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