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UPSC Environment PYQs 2025 | Vaidra | Vaidra
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Environment UPSC PYQ 2025

34 questions from the UPSC 2025 examination. Showing a preview of 3 below — generate a full practice test to solve the rest.

3 questions

1Medium1 mark
Consider the following statements:[2025] Statement I: At the 28th United Nations Climate Change Conference (COP28), India refrained from signing the 'Declaration on Climate and Health'. Statement II: The COP 28 Declaration on Climate and Health is a binding declaration; and if signed, it becomes mandatory to decarbonize health sector. Statement III: If India’s health sector is decarbonized, the resilience of its health-care system may be compromised. Which one of the following is correct in respect of the above statements?
ABoth Statement II and Statement III are correct and both of them explain Statement I
BBoth Statement II and Statement III are correct but only one of them explains Statement I
COnly one of the Statements II and III is correct and that explains Statement I
DNeither Statement II nor Statement III is correct
2Mediumprelims2 marks
Climate Change & Greenhouse Gases
Consider the following statements:
Statement I: Studies indicate that carbon dioxide emissions from cement industry account for more than 5% of global carbon emissions.
Statement II: Silica-bearing clay is mixed with limestone while manufacturing cement.
Statement III: Limestone is converted into lime during clinker production for cement manufacturing.
Which one of the following is correct in respect of the above statements?
ABoth Statement II and Statement III are correct and both of them explain Statement I
BBoth Statement II and Statement III are correct but only one of them explains Statement I
COnly one of the Statements II and III is correct and that explains Statement I
DNeither Statement II nor Statement III is correct
3Medium1 mark
With reference to the planet Earth, consider the following statements:[2025]
I. Rain forests produce more oxygen than that produced by oceans.
II. Marine phytoplankton and photo-synthetic bacteria produce about 50% of world's oxygen.
III. Well-oxygenated surface water contains several folds higher oxygen than that in atmospheric air.
Which of the statements given above is/are correct?
AI and II
BII only
CI and III
DNone of the above statements is correct

31 more Environment 2025 questions await

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