The Northern Plains

01What is the most suitable reason for marshy conditions in the Terai region?

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Answer and explanation

Correct answer: A. Re-emergence of underground water

The direct answer is A: underground water re-emerges at the surface. The Terai lies south of the Bhabar belt. In the porous Bhabar, streams and underground water often disappear into coarse pebbles. Farther south, the finer and less permeable Terai material prevents easy downward movement, so the water comes back to the surface. This creates wet, marshy, and sometimes waterlogged conditions. Option A is correct because it describes this underground-to-surface water movement. Option B is wrong because desert-wind deposition is associated with arid regions, not the main explanation for Terai marshes. Option C is wrong because broken lava rocks do not explain the Terai’s characteristic wetness. Option D is wrong because direct glacier melting is not the defining process there. Memory cue: Bhabar absorbs water; Terai brings it back.

Practice questions

01What is the most suitable reason for marshy conditions in the Terai region?तराई क्षेत्र में दलदली परिस्थितियां बनने का सबसे उपयुक्त कारण कौन सा है?

02What is the main physical reason for the high fertility of the Northern Plains?उत्तरी मैदानों की अत्यधिक उपजाऊ प्रकृति का मुख्य भौतिक कारण क्या है?

03What is the most accurate meaning of the term Doab?दोआब शब्द का सबसे सटीक अर्थ क्या है?

04Which major division is separated by the water divide near Ambala?अंबाला के पास स्थित जल-विभाजक किस प्रमुख विभाजन को अलग करता है?

05Which rivers are considered most important in forming the Punjab Plain?पंजाब मैदान के निर्माण में सबसे अधिक योगदान किन नदियों का माना जाता है?

06In which states is the Ganga Plain mainly spread?गंगा मैदान का विस्तार मुख्य रूप से किन राज्यों में देखा जाता है?

08What does the presence of kankar in Bhangar indicate?भांगर क्षेत्र में कंकर की उपस्थिति किस बात का संकेत देती है?

09Why does the Khadar region become more suitable for farming after floods?खादर क्षेत्र बाढ़ के बाद खेती के लिए अधिक अनुकूल क्यों हो जाता है?

10Which is the strongest geographical reason for the dense population of the Northern Plains?उत्तरी मैदानों की घनी आबादी का सबसे मजबूत भौगोलिक कारण कौन सा है?

11How does the very gentle slope of the Northern Plains affect river behaviour?उत्तरी मैदानों का औसत ढाल बहुत कम होने से नदी व्यवहार पर क्या प्रभाव पड़ता है?

12What is a lake formed by a cut-off old river channel called in plains?नदी की पुरानी धारा से कटकर बनी झील को मैदानों में क्या कहा जाता है?

13What kind of surface do flood plains represent in the Northern Plains?उत्तरी मैदानों में बाढ़ मैदान किस प्रकार की सतह को दर्शाते हैं?

14Why is the alluvial soil layer very thick in the Northern Plains?उत्तरी मैदानों में जलोढ़ मिट्टी की परत बहुत मोटी क्यों है?

15Which three major river systems together formed the Northern Plains?उत्तरी मैदानों को किन तीन प्रमुख नदी प्रणालियों ने मिलकर बनाया है?

16Why does the width of the Northern Plains vary from place to place?उत्तरी मैदानों की चौड़ाई अलग-अलग स्थानों पर क्यों बदलती है?

17What does the location of Bhabar south of the Shiwalik indicate?शिवालिक के दक्षिण में भाबर की स्थिति क्या दर्शाती है?

18The abundance of meanders in river plains shows which change in river energy?नदीय मैदानों में विसर्पों की अधिकता नदी ऊर्जा के किस परिवर्तन को दिखाती है?

21If old alluvium is found on a higher surface, it most closely matches which feature?यदि किसी क्षेत्र में पुराना जलोढ़ ऊंची सतह पर मिले तो वह किससे अधिक मेल खाता है?

22If a river deposits new fine sediments every year, that area belongs to which category?यदि नदी हर वर्ष नया महीन अवसाद जमा करे तो वह क्षेत्र किस श्रेणी में आएगा?

23What is the main basis of agricultural diversity in the Northern Plains?उत्तरी मैदानों में कृषि की विविधता का प्रमुख आधार क्या है?

24Why has it been easier to develop transport routes in the plains of North India?उत्तर भारत के मैदानों में परिवहन मार्ग विकसित होना आसान क्यों रहा है?

Analytics choices

01What is the most suitable reason for marshy conditions in the Terai region?

02What is the main physical reason for the high fertility of the Northern Plains?

03What is the most accurate meaning of the term Doab?

04Which major division is separated by the water divide near Ambala?

05Which rivers are considered most important in forming the Punjab Plain?

06In which states is the Ganga Plain mainly spread?

08What does the presence of kankar in Bhangar indicate?

09Why does the Khadar region become more suitable for farming after floods?

10Which is the strongest geographical reason for the dense population of the Northern Plains?

11How does the very gentle slope of the Northern Plains affect river behaviour?

12What is a lake formed by a cut-off old river channel called in plains?

13What kind of surface do flood plains represent in the Northern Plains?

14Why is the alluvial soil layer very thick in the Northern Plains?

15Which three major river systems together formed the Northern Plains?

16Why does the width of the Northern Plains vary from place to place?

17What does the location of Bhabar south of the Shiwalik indicate?

18The abundance of meanders in river plains shows which change in river energy?

21If old alluvium is found on a higher surface, it most closely matches which feature?

22If a river deposits new fine sediments every year, that area belongs to which category?

23What is the main basis of agricultural diversity in the Northern Plains?

24Why has it been easier to develop transport routes in the plains of North India?