MPSC PYQ

Carbon Sequestration

Carbon Sequestration is a Environment concept from the MPSC syllabus, tested in 2 past MPSC questions (2024). Below are those real questions with their correct answers and explanations, plus the concepts worth being comfortable with first.

Real questions
2
Years tested
1 · 2024–2024
In context
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What you need to know first

Concept of carbon sinksEcology BasicsForest FunctionsGlobal warmingCarbon Cycle

Real questions that test this

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.

स्थलीय परिसंस्थेच्या कार्बन पृथक्करण क्षमतेत वाढ करण्यासाठी खालीलपैकी योग्य पर्यायांची निवड करा.

(a)वृक्षरोपण करणे व वनीकरण उपक्रम

(b)औद्योगिक सांडपाणी जलस्रोतात सोडणे

(c)हरीत गृह वायूंची वाढ

(d)बेकायदेशीर "वृक्ष तोड" थांबविणे

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

Tree plantation, afforestation (a), and stopping illegal tree felling (d) enhance the carbon sequestration capacity of terrestrial ecosystems by expanding green cover.

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.

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