Environment

Biodiversity, climate change, pollution, protected areas. Filter by topic or year.

16 questions

2025 · Question 9 · Sustainable Development
Consider the following statements : Statement I : Circular economy reduces the emissions of greenhouse gases. Statement II : Circular economy reduces the use of raw materials as inputs. Statement III : Circular economy reduces wastage in the production process. Which one of the following is correct in respect of the above statements?
Choose your answer(a)Both Statement II and Statement III are correct and both of them explain Statement I(b)Both Statement II and Statement III are correct but only one of them explains Statement I(c)Only one of the Statements II and III is correct and that explains Statement I(d)Neither Statement II nor Statement III is correct
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2025 · Question 31 · Pollution
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?
Choose your answer(a)Both Statement II and Statement III are correct and both of them explain Statement I(b)Both Statement II and Statement III are correct but only one of them explains Statement I(c)Only one of the Statements II and III is correct and that explains Statement I(d)Neither Statement II nor Statement III is correct
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2025 · Question 32 · Climate Change
Consider the following statements : Statement I : At the 28th United Nations Climate Change Conference (COP28), India refrained from signing the ‘Declaration on Climate and Health’. Statement II : The COP28 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?
Choose your answer(a)Both Statement II and Statement III are correct and both of them explain Statement I(b)Both Statement II and Statement III are correct but only one of them explains Statement I(c)Only one of the Statements II and III is correct and that explains Statement I(d)Neither Statement II nor Statement III is correct
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2025 · Question 34 · Climate Change
Consider the following statements : Statement I : Article 6 of the Paris Agreement on climate change is frequently discussed in global discussions on sustainable development and climate change. Statement II : Article 6 of the Paris Agreement on climate change sets out the principles of carbon markets. Statement III : Article 6 of the Paris Agreement on climate change intends to promote inter-country non-market strategies to reach their climate targets. Which one of the following is correct in respect of the above statements?
Choose your answer(a)Both Statement II and Statement III are correct and both of them explain Statement I(b)Both Statement II and Statement III are correct but only one of them explains Statement I(c)Only one of the Statements II and III is correct and that explains Statement I(d)Neither Statement II nor Statement III is correct
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2025 · Question 36 · Climate Change
With reference to ‘Direct Air Capture’, an emerging technology, which of the following statements is/are correct? I. It can be used as a way of carbon sequestration. II. It can be a valuable approach for plastic production and in food processing. III. In aviation, it can be a source of carbon for combining with hydrogen to create synthetic low-carbon fuel. Select the correct answer using the code given below.
Choose your answer(a)I and II only(b)III only(c)I, II and III(d)None of the above statements is correct
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2025 · Question 37 · Biodiversity
Regarding Peacock tarantula (Gooty tarantula), consider the following statements : I. It is an omnivorous crustacean. II. Its natural habitat in India is only limited to some forest areas. III. In its natural habitat, it is an arboreal species. Which of the statements given above is/are correct?
Choose your answer(a)I only(b)I and III(c)II only(d)II and III
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2025 · Question 38 · Climate Change
Consider the following statements : I. Carbon dioxide (CO₂) emissions in India are less than 0·5 t CO₂/ capita. II. In terms of CO₂ emissions from fuel combustion, India ranks second in Asia-Pacific region. III. Electricity and heat producers are the largest sources of CO₂ emissions in India. Which of the statements given above is/are correct?
Choose your answer(a)I and III only(b)II only(c)II and III only(d)I, II and III
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2025 · Question 40 · Ecosystems
With reference to the planet Earth, consider the following statements : I. Rain forests produce more oxygen than that produced by oceans. II. Marine phytoplankton and photosynthetic 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?
Choose your answer(a)I and II(b)II only(c)I and III(d)None of the above statements is correct
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2025 · Question 41 · Renewable Energy
Consider the following types of vehicles : I. Full battery electric vehicles II. Hydrogen fuel cell vehicles III. Fuel cell-electric hybrid vehicles How many of the above are considered as alternative powertrain vehicles?
Choose your answer(a)Only one(b)Only two(c)All the three(d)None
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2025 · Question 44 · Pollution
Consider the following : I. Cigarette butts II. Eyeglass lenses III. Car tyres How many of them contain plastic?
Choose your answer(a)Only one(b)Only two(c)All the three(d)None
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2025 · Question 50 · Pollution
Consider the following statements : Statement I : Activated carbon is a good and an attractive tool to remove pollutants from effluent streams and to remediate contaminants from various industries. Statement II : Activated carbon exhibits a large surface area and a strong potential for adsorbing heavy metals. Statement III : Activated carbon can be easily synthesized from environmental wastes with high carbon content. Which one of the following is correct in respect of the above statements?
Choose your answer(a)Both Statement II and Statement III are correct and both of them explain Statement I(b)Both Statement II and Statement III are correct but only one of them explains Statement I(c)Only one of the Statements II and III is correct and that explains Statement I(d)Neither Statement II nor Statement III is correct
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2025 · Question 63 · Renewable Energy
Consider the following statements : Statement I : Of the two major ethanol producers in the world, i.e., Brazil and the United States of America, the former produces more ethanol than the latter. Statement II : Unlike in the United States of America where corn is the principal feedstock for ethanol production, sugarcane is the principal feedstock for ethanol production in Brazil. Which one of the following is correct in respect of the above statements?
Choose your answer(a)Both Statement I and Statement II are correct and Statement II explains Statement I(b)Both Statement I and Statement II are correct but Statement II does not explain Statement I(c)Statement I is correct but Statement II is not correct(d)Statement I is not correct but Statement II is correct
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2025 · Question 64 · Climate Change
The World Bank warned that India could become one of the first places where wet-bulb temperatures routinely exceed 35 °C. Which of the following statements best reflect(s) the implication of the above-said report? I. Peninsular India will most likely suffer from flooding, tropical cyclones and droughts. II. The survival of animals including humans will be affected as shedding of their body heat through perspiration becomes difficult. Select the correct answer using the code given below.
Choose your answer(a)I only(b)II only(c)Both I and II(d)Neither I nor II
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2025 · Question 70 · Renewable Energy
Consider the following statements about ‘PM Surya Ghar Muft Bijli Yojana’ : I. It targets installation of one crore solar rooftop panels in the residential sector. II. The Ministry of New and Renewable Energy aims to impart training on installation, operation, maintenance and repairs of solar rooftop systems at grassroot levels. III. It aims to create more than three lakhs skilled manpower through fresh skilling, and up-skilling, under scheme component of capacity building. Which of the statements given above are correct?
Choose your answer(a)I and II only(b)I and III only(c)II and III only(d)I, II and III
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2025 · Question 85 · Pollution
Artificial way of causing rainfall to reduce air pollution makes use of
Choose your answer(a)silver iodide and potassium iodide(b)silver nitrate and potassium iodide(c)silver iodide and potassium nitrate(d)silver nitrate and potassium chloride
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2025 · Question 90 · Climate Change
Which organization has enacted the Nature Restoration Law (NRL) to tackle climate change and biodiversity loss?
Choose your answer(a)The European Union(b)The World Bank(c)The Organization for Economic Cooperation and Development(d)The Food and Agriculture Organization
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)

Regarding Peacock tarantula (Gooty tarantula), consider the following statements : I. It is an omnivorous crustacean. II. Its natural habitat in India is only limited to some forest areas. III. In its natural habitat, it is an arboreal species. Which of the statements given above is/are correct?

Consider the following types of vehicles : I. Full battery electric vehicles II. Hydrogen fuel cell vehicles III. Fuel cell-electric hybrid vehicles How many of the above are considered as alternative powertrain vehicles?

Consider the following : I. Cigarette butts II. Eyeglass lenses III. Car tyres How many of them contain plastic?

Artificial way of causing rainfall to reduce air pollution makes use of

Which organization has enacted the Nature Restoration Law (NRL) to tackle climate change and biodiversity loss?