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UPSC 2001: Consider the following statements made about the sedimentary rocks: I. Sedimentary rocks are formed at Earth’s surface by the hydrological system. II. The formation of sedimentary rocks involves the weathering of pre-existing rocks. III. Sedimentary rocks contain fossils. IV. Sedimentary rocks typically occur in layers. Which of these statements are correct?
(a)I and II
(b)I and IV
(c)II, III and IV
(d)I, II, III and IV
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Not attemptedCorrect Answer: (d) I, II, III and IV
Sedimentary rocks form at or near Earth’s surface through processes of weathering, erosion, transport and deposition driven largely by the hydrological cycle (I & II). They are characteristically layered (stratified) and often preserve fossils (III & IV). Therefore all four statements are correct. ([licchavilyceum.com](https://licchavilyceum.com/upsc-civil-services-prelims-2001-solved-question-paper/))
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What is the correct answer to this UPSC 2001 Geography question?▼
The correct answer is option (d): I, II, III and IV. Watch the detailed video explanation in our Sherlocking Prelims course on UnlockIAS.
Which year was this Physical Geography & Geomorphology question asked in UPSC Prelims?▼
This question was asked in UPSC CSE Prelims 2001, GS Paper 1, as Question 88. It falls under Geography > Physical Geography & Geomorphology.
What is the difficulty level of this UPSC question?▼
This question is rated "easy". It tests basic recall and most well-prepared aspirants should answer it correctly.
How many UPSC Prelims questions have been asked from Physical Geography & Geomorphology?▼
UPSC has asked 25 questions from Physical Geography & Geomorphology (under Geography) across multiple years. Visit the topic page to see the full list and year-wise trends.