Desertification
Desertification is a Environment concept from the MPSC syllabus, tested in 3 past MPSC questions (2013, 2023). Below are those real questions with their correct answers and explanations, plus the concepts worth being comfortable with first.
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जगातील जंगलांच्या ह्रासामुळे कोणती संकटे उद्भवत आहेत ? / Deforestation in the world has resulted in which calamities ? आणि Which of the statement given above is/are correct ?
(a)अनियमित पर्जन्यमान / Irregular rainfall
(b)भूजल वाढले आहे / Increased ground water
(c)वाळवंटीकरण / Desertification
(d)दुष्काळ वाढला आहे / Increased drought
Deforestation causes irregular rainfall (A), desertification (C), and increased droughts (D). Statement B is incorrect because deforestation decreases, rather than increases, groundwater levels.
आपल्या देशाचे बरेच क्षेत्र मृदा धूपीमुळे प्रभावित आहे. मृदा धूपीखाली सर्वाधिक क्षेत्र असलेले राज्य कोणते ? Soil'erosion has affected large tracts of our country. Which is a state with the largest area under soil erosion ?
Rajasthan has the largest area affected by soil erosion in India, primarily due to wind erosion and shifting sand dunes in arid regions.
पश्चिम राजस्थानच्या प्रदेशात चुनखडक, जिप्सम आणि खनिज मीठाचे साठे वितरीत झालेले आहेत. खालीलपैकी कोणती कारणे या खनिजांच्या साठ्यांच्या वितरणास कारणीभूत आहेत ? In the western part of Rajasthan minerals like limestone, gypsum and mineral salts reserves are distributed. Which of the following reasons are responsible for this occurrence ?
(a)पर्मोकार्बोनिफेरस युगात पश्चिम राजस्थानचा भाग समुद्राच्या पाण्याखाली होता. / Western part of Rajasthan was submerged under sea water during permocarboniferous period.
(b)पश्चिम राजस्थानच्या प्रदेशात पर्जन्याचे प्रमाण कमी आहे. / Western part of Rajasthan receives low rainfall.
(c)पश्चिम राजस्थानच्या प्रदेशात हवामान उष्ण व कोरडे आहे. / Western part of Rajasthan has hot and dry climate.
(d)पश्चिम राजस्थानच्या प्रदेशात वनाच्छादाना खालील क्षेत्र अत्यल्प आहे. / In the western part of Rajasthan the area under vegetation is very low.
The mineral reserves like limestone, gypsum, and salt in western Rajasthan are marine deposits formed because the region was submerged under the sea during the Permocarboniferous period.