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Peninsular rivers rarely form meanders. Which of the following could be a reason for it ?
1. hard rock surface of peninsular regions.
2. non-alluvial character of plateau
3. high erosional capacity of rivers
2. non-alluvial character of plateau
3. high erosional capacity of rivers
Select the correct answer using the codes given below.
- a)1 and 2 only
- b)1 and 3 only
- c)2 and 3 only
- d)1, 2 and 3
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
Peninsular rivers rarely form meanders. Which of the following could b...
Peninsular rivers have lower erosional capacity, but because of hard rock surface in the region and non-alluvial character of plateau, they travel almost straight and thus do not form meanders.
Most Upvoted Answer
Peninsular rivers rarely form meanders. Which of the following could b...
Explanation:
1. Hard rock surface of peninsular regions:
The peninsular regions in India are mainly composed of hard rocks such as granite, gneiss, and basalt. These rocks are resistant to erosion and weathering. Due to their hard nature, the rivers flowing in these regions are not able to erode the rocks easily. As a result, the river channels in peninsular regions tend to be narrow and straight, without forming meanders.
2. Non-alluvial character of plateau:
The peninsular plateau is primarily composed of non-alluvial rocks. Alluvial rocks are loose, unconsolidated sediments that are easily eroded and transported by rivers. Non-alluvial rocks, on the other hand, are more resistant to erosion. The presence of non-alluvial rocks in the peninsular plateau restricts the formation of meanders in the rivers flowing through these regions.
3. High erosional capacity of rivers:
Although the rivers in the peninsular regions do not form meanders, they have a high erosional capacity. The fast-flowing rivers in these regions are able to erode the hard rocks and create deep valleys and gorges. The high erosional capacity of these rivers is attributed to their steep gradients and the presence of waterfalls and rapids.
Therefore, the correct answer is option 'A' - 1 and 2 only. The hard rock surface of peninsular regions and the non-alluvial character of the plateau are the main reasons why peninsular rivers rarely form meanders.
1. Hard rock surface of peninsular regions:
The peninsular regions in India are mainly composed of hard rocks such as granite, gneiss, and basalt. These rocks are resistant to erosion and weathering. Due to their hard nature, the rivers flowing in these regions are not able to erode the rocks easily. As a result, the river channels in peninsular regions tend to be narrow and straight, without forming meanders.
2. Non-alluvial character of plateau:
The peninsular plateau is primarily composed of non-alluvial rocks. Alluvial rocks are loose, unconsolidated sediments that are easily eroded and transported by rivers. Non-alluvial rocks, on the other hand, are more resistant to erosion. The presence of non-alluvial rocks in the peninsular plateau restricts the formation of meanders in the rivers flowing through these regions.
3. High erosional capacity of rivers:
Although the rivers in the peninsular regions do not form meanders, they have a high erosional capacity. The fast-flowing rivers in these regions are able to erode the hard rocks and create deep valleys and gorges. The high erosional capacity of these rivers is attributed to their steep gradients and the presence of waterfalls and rapids.
Therefore, the correct answer is option 'A' - 1 and 2 only. The hard rock surface of peninsular regions and the non-alluvial character of the plateau are the main reasons why peninsular rivers rarely form meanders.
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Peninsular rivers rarely form meanders. Which of the following could be a reason for it ?1. hard rock surface of peninsular regions.2. non-alluvial character of plateau3. high erosional capacity of riversSelect the correct answer using the codes given below.a)1 and 2 onlyb)1 and 3 onlyc)2 and 3 onlyd)1, 2 and 3 Correct answer is option 'A'. Can you explain this answer?
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Peninsular rivers rarely form meanders. Which of the following could be a reason for it ?1. hard rock surface of peninsular regions.2. non-alluvial character of plateau3. high erosional capacity of riversSelect the correct answer using the codes given below.a)1 and 2 onlyb)1 and 3 onlyc)2 and 3 onlyd)1, 2 and 3 Correct answer is option 'A'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Peninsular rivers rarely form meanders. Which of the following could be a reason for it ?1. hard rock surface of peninsular regions.2. non-alluvial character of plateau3. high erosional capacity of riversSelect the correct answer using the codes given below.a)1 and 2 onlyb)1 and 3 onlyc)2 and 3 onlyd)1, 2 and 3 Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Peninsular rivers rarely form meanders. Which of the following could be a reason for it ?1. hard rock surface of peninsular regions.2. non-alluvial character of plateau3. high erosional capacity of riversSelect the correct answer using the codes given below.a)1 and 2 onlyb)1 and 3 onlyc)2 and 3 onlyd)1, 2 and 3 Correct answer is option 'A'. Can you explain this answer?.
Peninsular rivers rarely form meanders. Which of the following could be a reason for it ?1. hard rock surface of peninsular regions.2. non-alluvial character of plateau3. high erosional capacity of riversSelect the correct answer using the codes given below.a)1 and 2 onlyb)1 and 3 onlyc)2 and 3 onlyd)1, 2 and 3 Correct answer is option 'A'. Can you explain this answer? for UPSC 2025 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Peninsular rivers rarely form meanders. Which of the following could be a reason for it ?1. hard rock surface of peninsular regions.2. non-alluvial character of plateau3. high erosional capacity of riversSelect the correct answer using the codes given below.a)1 and 2 onlyb)1 and 3 onlyc)2 and 3 onlyd)1, 2 and 3 Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Peninsular rivers rarely form meanders. Which of the following could be a reason for it ?1. hard rock surface of peninsular regions.2. non-alluvial character of plateau3. high erosional capacity of riversSelect the correct answer using the codes given below.a)1 and 2 onlyb)1 and 3 onlyc)2 and 3 onlyd)1, 2 and 3 Correct answer is option 'A'. Can you explain this answer?.
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