2026 · Question 21 · Climate Change
Environment
Biodiversity, climate change, pollution, protected areas. Filter by topic or year.
172 questions
- Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)
2026 · Question 22 · Biodiversity
With respect to the Western Hoolock Gibbons, which of the following statements is/are correct ? 1. A Sanctuary in North-east India is home to this ape species listed as Endangered in the International Union for Conservation of Nature (IUCN) Red List. 2. They have specialized brachiation and can easily swing between trees. 3. They possess a strong and heavy build like gorillas, yet are remarkably agile tree climbers. Select the answer using the code given below :
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2026 · Question 23 · Ecosystems
Which of the following best explain(s) the rationale for protecting mangrove ecosystems in the context of climate resilience ? 1. Mangroves reduce tidal energy and store freshwater, making them ideal sites for paddy cultivation in saline estuarine belts. 2. Their salt-sensitive roots filter seawater, making mangroves key to converting coastal land into freshwater aquaculture zones. 3. By withstanding tidal surges and offering biomass resources, mangroves function both as natural bio-shields and livelihood bases for rural communities. Select the answer using the code given below :
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2026 · Question 27 · Biodiversity
Which of the following statements with regard to the arrival of Amur Falcons at Doyang Lake in Nagaland each year from Mongolia is/are correct ? 1. It showcases how sustained local conservation efforts can contribute to the arrival and protection of international migratory birds. 2. It reflects the global success of advanced tracking technologies that guide migratory birds back to their stopover sites. 3. It confirms that Amur Falcons have adapted to permanent residency in India due to favourable habitat changes. Select the answer using the code given below :
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2026 · Question 32 · Protected Areas
With reference to Madhav National Park, which of the following statements is/are correct ? 1. It was declared a Tiger Reserve in India in 2025. 2. Sakhya Sagar, which is designated as a Ramsar Site, is situated within this National Park. 3. Its area is shared between Madhya Pradesh and Rajasthan. Select the answer using the code given below :
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2026 · Question 36 · Biodiversity
Consider the following statements about Rhynchostylis retusa (Foxtail orchid) : 1. It is an epiphytic orchid. 2. The species is endemic to North-east India. 3. It is the State flower of Arunachal Pradesh and Assam. Which of the statements given above is/are correct ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2026 · Question 40 · Climate Change
Which one of the following is the first Plan Vivo certified Reducing Emissions from Deforestation and Forest Degradation (REDD+) project in India ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2026 · Question 45 · Renewable Energy
Which of the following statements with regard to Green Hydrogen is/are correct ? 1. It is decarbonized hydrogen obtained from natural gas reforming combined with carbon capture and storage (CCS). 2. It is produced using electrolysis of water with electricity generated by renewable energy. 3. National Green Hydrogen Mission of India aims for abatement of nearly 50 MMT of annual greenhouse gas emissions by 2030. Select the answer using the code given below :
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2026 · Question 77 · Environmental Institutions
Which of the following statements in relation to NIRANTAR (National Institute for Research and Application of Natural Resources to Transform, Adapt and Build Resilience), a platform of institutions under the Ministry of Environment, Forest and Climate Change, is/are correct ? 1. Ecosystem Survey and Analysis is a vertical under this platform, the lead institute of which is Botanical Survey of India, Kolkata. 2. Research and Management of Ecosystem Service is a vertical under this platform, the lead institute of which is Central Zoo Authority, New Delhi. 3. Capacity Development Support is a vertical under this platform, the lead institute of which is Indian Institute of Forest Management, Bhopal. Select the answer using the code given below :
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)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?
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?
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?
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?
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.
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?
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?
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?
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?
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?
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?
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?
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.
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?
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
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?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 16 · Ecosystems
One of the following regions has the world’s largest tropical peatland, which holds about three years worth of global carbon emissions from fossil fuels; and the possible destruction of which can exert detrimental effect on the global climate. Which one of the following denotes that region ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 17 · Pollution
With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statements : 1. PFAS are found to be widespread in drinking water, food and food packaging materials. 2. PFAS are not easily degraded in the environment. 3. Persistent exposure to PFAS can lead to bioaccumulation in animal bodies. Which of the statements given above are correct ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 18 · Biodiversity
Consider the following : 1. Carabid beetles 2. Centipedes 3. Flies 4. Termites 5. Wasps Parasitoid species are found in how many of the above kind of organisms ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 20 · Conservation
Consider the following statements : Statement-I : The Indian Flying Fox is placed under the “vermin” category in the Wild Life (Protection) Act, 1972. Statement-II : The Indian Flying Fox feeds on the blood of other animals. Which one of the following is correct in respect of the above statements ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 21 · Biodiversity
The organisms “Cicada, Froghopper and Pond skater” are :
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 22 · Pollution
Consider the following statements : Statement-I : Many chewing gums found in the market are considered a source of environmental pollution. Statement-II : Many chewing gums contain plastic as gum base. Which one of the following is correct in respect of the above statements ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 23 · Biodiversity
Consider the following pairs : Country | Animal found in its natural habitat 1. Brazil | Indri 2. Indonesia | Elk 3. Madagascar | Bonobo How many of the pairs given above are correctly matched ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 25 · Biodiversity
Consider the following statements : 1. Lions do not have a particular breeding season. 2. Unlike most other big cats, cheetahs do not roar. 3. Unlike male lions, male leopards do not proclaim their territory by scent marking. Which of the statements given above are correct ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 26 · Climate Change
Which one of the following is the correct description of “100 Million Farmers” ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 27 · Renewable Energy
Consider the following : 1. Battery storage 2. Biomass generators 3. Fuel cells 4. Rooftop solar photovoltaic units How many of the above are considered “Distributed Energy Resources” ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 28 · Biodiversity
Which one of the following shows a unique relationship with an insect that has coevolved with it and that is the only insect that can pollinate this tree ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 29 · Biodiversity
Consider the following : 1. Butterflies 2. Fish 3. Frogs How many of the above have poisonous species among them ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 30 · Biodiversity
Consider the following : 1. Cashew 2. Papaya 3. Red sanders How many of the above trees are actually native to India ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 37 · Renewable Energy
Which one of the following is the exhaust pipe emission from Fuel Cell Electric Vehicles, powered by hydrogen ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 38 · Renewable Energy
Recently, the term “pumped-storage hydropower” is actually and appropriately discussed in the context of which one of the following ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 46 · Renewable Energy
Consider the following materials : 1. Agricultural residues 2. Corn grain 3. Wastewater treatment sludge 4. Wood mill waste Which of the above can be used as feedstock for producing Sustainable Aviation Fuel ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 90 · Pollution
According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2024 · Question 96 · Climate Change
Consider the following statements : Statement-I : The European Parliament approved The Net-Zero Industry Act recently. Statement-II : The European Union intends to achieve carbon neutrality by 2040 and therefore aims to develop all of its own clean technology by that time. Which one of the following is correct in respect of the above statements ?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2023 · Question 3 · Biodiversity
Consider the following trees : 1. Jackfruit (Artocarpus heterophyllus) 2. Mahua (Madhuca indica) 3. Teak (Tectona grandis) How many of the above are deciduous trees?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2023 · Question 12 · Biodiversity
Consider the following statements : Statement–I : Marsupials are not naturally found in India. Statement–II : Marsupials can thrive only in montane grasslands with no predators. Which one of the following is correct in respect of the above statements?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2023 · Question 13 · Conservation
‘Invasive Species Specialist Group’ (that develops Global Invasive Species Database) belongs to which one of the following organizations?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2023 · Question 14 · Biodiversity
Consider the following fauna : 1. Lion-tailed Macaque 2. Malabar Civet 3. Sambar Deer How many of the above are generally nocturnal or most active after sunset?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2023 · Question 15 · Biodiversity
Which of the following organisms perform waggle dance for others of their kin to indicate the direction and the distance to a source of their food?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2023 · Question 17 · Biodiversity
Consider the following statements regarding the Indian squirrels : 1. They build nests by making burrows in the ground. 2. They store their food materials like nuts and seeds in the ground. 3. They are omnivorous. How many of the above statements are correct?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)2023 · Question 19 · Biodiversity
Which one of the following makes a tool with a stick to scrape insects from a hole in a tree or a log of wood?
Source: UPSC, Civil Services (Preliminary), General Studies Paper I (opens in a new tab)