MPSC PYQ

Deforestation

Deforestation is a Environment concept from the MPSC syllabus, tested in 8 past MPSC questions across 6 exam years between 2013 and 2025. Below are those real questions with their correct answers and explanations, plus the concepts worth being comfortable with first.

Real questions
8
Years tested
6 · 2013–2025
In context
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What you need to know first

Causes of environmental degradationCarbon cycle basicsCarbon Sequestration basicsBasic ecology and greenhouse effect

Real questions that test this

वस्तीस्थान नष्ट होणे खालीलपैकी कोणत्या उपक्रमामुळे होऊ शकते ? Habitat destruction can happen due to which of the following activity ?

(a)निर्वनीकरण / Deforestation

(b)दलदलींचे पुनःप्रापण / Reclamation of Marsh

(c)जमिनीच्या वापरात होणारे बदल / Change of land use pattern

(d)उदरनिर्वाह शेती / Subsistence farming

1)फक्त (a), (b) आणि (d) / Only (a), (b) and (d)
2)फक्त (a), (b) आणि (c) / Only (a), (b) and (c)✓ Correct
3)फक्त (a) / Only (a)
4)वरील सर्व / All the above

Habitat destruction is caused by human activities such as deforestation, reclamation of marshlands, and changes in land use patterns. Subsistence farming alone on a small scale is less impactful compared to large-scale commercial or developmental land conversions, though options a, b, and c directly lead to massive habitat loss.

_______ व _______ हे बायोमासचा विनाश करतात. _______ and _______ destruct the biomass.

1)औद्योगिकीकरण व नागरीकरण / Industrialization and urbanization
2)निर्वाह आर्थिकता व सीमांत संस्कृती / Subsistence economy and marginal culture
3)वाळवंटीकरण आणि वनस्पती विरहीतपणा / Deforestation and devegetation✓ Correct
4)आदिवासी व भटके / Tribals and nomads

Unchecked deforestation and rapid industrialization are primary drivers that destroy biomass and natural carbon sinks.

खाली दोन विधान दिलेली आहेत (अ) हे विधान असून (र) हे कारण आहे खालील पर्यायातून योग्य पर्याय निवडा. विधान (अ) : निर्वणीकरणामुळे हवेतील कार्बनडायऑक्साईड चे प्रमाण वाढते. कारण (र) : वने जेंव्हा प्रकाशसंश्लेषण क्रियेदारे स्वतःचे अन्न तयार करतात तेंव्हा मोठ्या प्रमाणात कार्बनडायऑक्साईड चा वापर होतो.

(a)निर्वणीकरणामुळे हवेतील कार्बनडायऑक्साईड चे प्रमाण वाढते.

(b)वने जेंव्हा प्रकाशसंश्लेषण क्रियेदारे स्वतःचे अन्न तयार करतात तेंव्हा मोठ्या प्रमाणात कार्बनडायऑक्साईड चा वापर होतो.

1)(अ) आणि (र) दोन्ही सत्य असून (र) हे (अ) चे बिनचूक स्पष्टीकरण आहे.✓ Correct
2)(अ) आणि (र) दोन्ही सत्य असून (र) हे (अ) चे बिनचूक स्पष्टीकरण नाही.
3)(अ) सत्य असून विधान (र) असत्य आहे.
4)(अ) असत्य असून विधान (र) सत्य आहे.

Deforestation increases carbon dioxide because trees absorb CO2 during photosynthesis. Removing forests means less CO2 is absorbed, raising its atmospheric concentration. Thus, both are true and (R) is the correct explanation.

For the past few centuries Earth has been witnessing several environmental problems even-though the ongoing climate change events such as increasing temperature, cloud bursts, frequent cyclones, long and irregular winters and drought have received more attention in the public platforms. These extreme climatic events have challenged the physical, mental and economic health of humans and made them to think and speak out. This realisation has been following by several agencies making efforts to mitigate the climate change impacts. It is known that global warming is the result of the incessant release of greenhouse gases especially carbon dioxide (CO₂) from several sectors especially from automobile and associated industries triggering the extreme climatic events. Earlier the natural forests cover and oceans absorbed the enormous quantities of CO₂ released in the environment. However, continuous deforestation and other anthropogenic pressures prevailing in and around the ocean and forest have slowed down the carbon sequestration potential of these systems. Natural forests evolve due to the constant interplay of inter and intra species alongwith unique environmental conditions and play an important role in mitigating the greenhouse gases to a large extent, also acting as oxygen factories. However, in comparison, tropical and savannah forests produce a more oxygen than other forests. Studies have established that the natural regeneration potential of the forest has been decreasing due to continuous deforestation. Ecologists opine that the restoration of natural forests is the ideal way to overcome the global warming impacts. However, restoration of natural forest is a herculean task and almost impossible. The diminishing forest cover affects the life-forms and also carbon storage and oxygen production which might speed-up the global warming process, and so researchers and policymakers encourage afforestation programmes in order to mitigate the global warming.

"नैसर्गिक वनां" संबंधित खालील चार विधानांपैकी दोन योग्य विधानांची निवड करा. Regarding "Natural Forests" four statements are made of which two are correct. Choose the correct option.

(a)"नैसर्गिक वने" विविध सजीव घटकांच्या (species) व पर्यावरणीय परिस्थितीच्या परस्पर प्रक्रियेतून निर्मित झालेली आहेत. / "Natural Forests" are formed due to interaction of species and environmental conditions.

(b)"नैसर्गिक वने" नद्यांना येणारे पूर व चक्रिवादळासाठी कारणीभूत/जबाबदार आहेत. / "Natural Forests" are responsible for floods and cyclones.

(c)"नैसर्गिक वने" हरीत् गृह वायुंचे वातावरणात उत्सर्जन कमी करण्याचे कार्य करतात. / "Natural Forests" play important role in minimizing emission of greenhouse gases in Atmosphere.

(d)"नैसर्गिक वने" वृक्ष तोडीच्या वाढीसाठी उपयुक्त आहेत. / "Natural Forests" are important for promotion of tree cutting.

1)फक्त (a) व (b) / Only (a) and (b)
2)फक्त (b) व (c) / Only (b) and (c)
3)फक्त (a) व (c) / Only (a) and (c)✓ Correct
4)फक्त (c) व (d) / Only (c) and (d)

Natural forests are formed through natural species-environment interactions (a) and act as carbon sinks minimizing greenhouse gases (c). Statement (b) blames forests for floods/cyclones incorrectly, and (d) promotes tree cutting which is destructive.

औद्योगिक क्रांतीमुळे निसर्गाची लूट झाली कारण _________. / The industrial revolution led to the plundering of nature because _________.

1)वाढत्या लोकसंख्येसाठी जंगलतोड गरजेची होती. / Deforestation was necessary for growing population.
2)शहरे पसरत गेली, जंगले कमी झाली. / Cities spread, forests decreased.
3)अनेक गोष्टींची मोठ्या प्रमाणात गरज भासली. / Many things were needed in large quantities.
4)वरीलपैकी सर्व. / All of the above.✓ Correct

The industrial revolution caused the plundering of nature due to population growth, urban expansion, and massive resource demands.

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