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Consider the following statements:
Peninsular India was part of Gondwanaland.
All the rocks in Peninsular India are from the Precambrian period.
Which of the statements given above is/are not correct?
- a)1 only
- b)2 only
- c)Both 1 and 2
- d)Neither 1 nor 2
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements: Peninsular India was part of Go...
Explanation:
Peninsular India and Gondwanaland:
- Gondwanaland was a supercontinent that existed from the Neoproterozoic (about 1 billion years ago) until the Jurassic period (about 145 million years ago).
- It included present-day South America, Africa, Arabia, Madagascar, India, Australia, and Antarctica.
- The breakup of Gondwanaland resulted in the formation of the modern continents.
- Peninsular India was part of Gondwanaland and was connected to Madagascar, Antarctica, and Australia.
- It separated from Madagascar about 90 million years ago and from Antarctica about 160 million years ago.
- The separation from Australia occurred much earlier, about 500 million years ago.
Rocks in Peninsular India:
- The rocks in Peninsular India are of different ages, ranging from the Archean (about 4 billion years ago) to the Cenozoic (about 65 million years ago).
- However, most of the rocks are from the Precambrian period (about 4.6 billion to 542 million years ago).
- The Precambrian rocks include granites, gneisses, schists, quartzites, and basalts.
- The Precambrian rocks in Peninsular India are important for their mineral deposits, such as iron, manganese, bauxite, and gold.
- The Archaean rocks in Peninsular India are famous for their age and for containing some of the oldest rocks on Earth.
Correctness of the statements:
- Statement 1: Peninsular India was part of Gondwanaland. This statement is correct.
- Statement 2: All the rocks in Peninsular India are from the Precambrian period. This statement is not correct. While most of the rocks in Peninsular India are from the Precambrian period, there are also rocks from other periods, such as the Paleozoic, Mesozoic, and Cenozoic.
Therefore, the correct answer is option B, i.e., statement 2 only is not correct.
Peninsular India and Gondwanaland:
- Gondwanaland was a supercontinent that existed from the Neoproterozoic (about 1 billion years ago) until the Jurassic period (about 145 million years ago).
- It included present-day South America, Africa, Arabia, Madagascar, India, Australia, and Antarctica.
- The breakup of Gondwanaland resulted in the formation of the modern continents.
- Peninsular India was part of Gondwanaland and was connected to Madagascar, Antarctica, and Australia.
- It separated from Madagascar about 90 million years ago and from Antarctica about 160 million years ago.
- The separation from Australia occurred much earlier, about 500 million years ago.
Rocks in Peninsular India:
- The rocks in Peninsular India are of different ages, ranging from the Archean (about 4 billion years ago) to the Cenozoic (about 65 million years ago).
- However, most of the rocks are from the Precambrian period (about 4.6 billion to 542 million years ago).
- The Precambrian rocks include granites, gneisses, schists, quartzites, and basalts.
- The Precambrian rocks in Peninsular India are important for their mineral deposits, such as iron, manganese, bauxite, and gold.
- The Archaean rocks in Peninsular India are famous for their age and for containing some of the oldest rocks on Earth.
Correctness of the statements:
- Statement 1: Peninsular India was part of Gondwanaland. This statement is correct.
- Statement 2: All the rocks in Peninsular India are from the Precambrian period. This statement is not correct. While most of the rocks in Peninsular India are from the Precambrian period, there are also rocks from other periods, such as the Paleozoic, Mesozoic, and Cenozoic.
Therefore, the correct answer is option B, i.e., statement 2 only is not correct.
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Community Answer
Consider the following statements: Peninsular India was part of Go...
Option (b) is the correct answer.
- Statement 1 is correct. The origin of rocks of Peninsular India is more than 3600 million years old. Before the carboniferous period, it was a part of Gondwanaland.
- Statement 2 is incorrect. Peninsular India exhibits a complex system of geological structures. It has some of the oldest rocks of the world from the Precambrian period and some youngest rocks of the Holocene epoch.
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Consider the following statements: Peninsular India was part of Gondwanaland. All the rocks in Peninsular India are from the Precambrian period. Which of the statements given above is/are not correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'B'. Can you explain this answer?
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Consider the following statements: Peninsular India was part of Gondwanaland. All the rocks in Peninsular India are from the Precambrian period. Which of the statements given above is/are not correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'B'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements: Peninsular India was part of Gondwanaland. All the rocks in Peninsular India are from the Precambrian period. Which of the statements given above is/are not correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'B'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements: Peninsular India was part of Gondwanaland. All the rocks in Peninsular India are from the Precambrian period. Which of the statements given above is/are not correct?a)1 onlyb)2 onlyc)Both 1 and 2d)Neither 1 nor 2Correct answer is option 'B'. Can you explain this answer?.
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