Bihar Board Class 9 Social Science · Ch 2: Shaping of the Earth's Surface
Bihar Board Class 9 Social Science · Ch 2: Shaping of the Earth's Surface is an online chapter test in the Bihar Board Class 9 pattern, covering Shaping of the Earth's Surface. Attempt it on SeatBeat with a timer like the real exam, then see a detailed solution for every question and your score and weak-topic analysis.
Topics in this test
| Topic | Questions |
|---|---|
| Shaping of the Earth's Surface | 30 |
Difficulty: 7 medium · 23 hard
Shaping of the Earth's Surface MCQ questions with answers
The first 3 of 30 questions. Unlock the series for the rest, each with a solution.
Q1. A long, steep-sided lowland is formed when a block of land slips down between two parallel faults as the crust is pulled apart. Based on the textbook's explanation of faulting, this landform is called a:
जब भूपर्पटी के खिंचने पर भूमि का एक खंड दो समानांतर भ्रंशों के बीच नीचे धँस जाता है, तो एक लंबा, खड़े ढाल वाला निचला क्षेत्र बनता है। भ्रंशन की पाठ्यपुस्तक की व्याख्या के आधार पर, इस स्थलरूप को कहा जाता है:
- A. Volcanic cone / ज्वालामुखी शंकु
- B. Fold mountain / वलित पर्वत
- C. Block mountain / खंड पर्वत
- D. Rift valley / दरार घाटी
Solution
When the middle block sinks down between two faults, the long trough formed is a rift valley; if a block is pushed up instead, a block mountain forms.
जब बीच का खंड दो भ्रंशों के बीच नीचे धँस जाता है, तो बनी लंबी द्रोणी एक दरार घाटी (रिफ्ट घाटी) होती है; यदि इसके बजाय कोई खंड ऊपर उठा दिया जाए तो खंड पर्वत बनता है।
Q2. Match each agent of erosion with the land it is most associated with and choose the correct pairing: (a) Glacier (b) Wind (c) Sea waves (i) Deserts (ii) Sea coast (iii) High mountains and cold regions
अपरदन के प्रत्येक कारक का उस भूमि से मिलान कीजिए जिससे वह सबसे अधिक संबद्ध है और सही जोड़ी चुनिए: (a) हिमनद (b) पवन (c) समुद्री लहरें (i) मरुस्थल (ii) समुद्र तट (iii) ऊँचे पर्वत और ठंडे क्षेत्र
- A. a–iii, b–i, c–ii
- B. a–ii, b–iii, c–i
- C. a–iii, b–ii, c–i
- D. a–i, b–ii, c–iii
Solution
Glaciers act in cold high mountains, wind is the chief agent in deserts, and sea waves work along the coast.
हिमनद ठंडे ऊँचे पर्वतों में कार्य करते हैं, पवन मरुस्थलों में मुख्य कारक है, और समुद्री लहरें तट के साथ कार्य करती हैं।
Q3. In warm and humid regions, rainwater that has a little acid in it reacts with certain rocks and slowly dissolves them, changing their chemical nature. This wearing away is an example of:
गर्म और आर्द्र क्षेत्रों में, वर्षा का जल जिसमें थोड़ा अम्ल होता है, कुछ चट्टानों के साथ अभिक्रिया करके उन्हें धीरे-धीरे घुला देता है, जिससे उनका रासायनिक स्वरूप बदल जाता है। यह घिसाव किसका उदाहरण है:
- A. Glacial erosion / हिमनद अपरदन
- B. Chemical weathering / रासायनिक अपक्षय
- C. Physical (mechanical) weathering / भौतिक (यांत्रिक) अपक्षय
- D. Wind deposition / पवन निक्षेपण
Solution
When rock minerals are changed or dissolved by reaction with water and acids, it is chemical weathering, not mere physical breaking.
जब चट्टान के खनिज जल और अम्लों के साथ अभिक्रिया द्वारा बदल जाते हैं या घुल जाते हैं, तो यह रासायनिक अपक्षय है, न कि केवल भौतिक टूटना।
Frequently asked questions
How many questions are in the Bihar Board Class 9 Social Science · Ch 2: Shaping of the Earth's Surface?
30 questions for 30 marks, to be answered in 20 minutes.
Is there negative marking in the Bihar Board Class 9 Social Science · Ch 2: Shaping of the Earth's Surface?
No — wrong answers are not penalised in this test.
Which topics does the Bihar Board Class 9 Social Science · Ch 2: Shaping of the Earth's Surface cover?
Shaping of the Earth's Surface (30 questions).
Is the Bihar Board Class 9 Social Science · Ch 2: Shaping of the Earth's Surface free?
It is part of the BSEB Class 9 Test Series 2027 — Chapter-wise + Full Tests (36 tests, ₹99). You can first try English · Ch 1: Dharam Juddha for free.
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