Environment UPSC PYQ 2025

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?

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?

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?

Consider the following:[2025] I. Cigarette butts II. Eyeglass lenses III. Car tyres How many of them contain plastic?

Consider the following fruits [2025]: I. Papaya II. Pineapple III. Guava How many of the above were introduced in India by the Portuguese in the sixteenth and seventeenth centuries?

Regarding Peacock tarantula (Gooty tarantula), consider the following statements:[2025] 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 pairs:[2025] Plant Description I. Cassava : Woody shrub II. Ginger : Herb with pseudostem III. Malabar spinach : Herbaceous climber IV. Mint : Annual shrub V. Papaya : Woody shrub How many of the above pairs are correctly matched?

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?

Consider the following statements about ‘PM Surya Ghar Muft Bijli Yojana’ :[2025] 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 upskilling, under scheme component of capacity building. Which of the statements given above are correct?

Consider the following statements: I. Without the atmosphere, temperature would be well below freezing point everywhere on the Earth's surface. II. Heat absorbed and trapped by the atmosphere maintains our planet's average temperature. III. Atmosphere's gases, like carbon dioxide, are particularly good at absorbing and trapping radiation. Which of the statements given above are correct?

Consider the following statements:[2025] 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 source of CO2 emissions in India. Which of the statements given above is/are correct?

Consider the following statements: Statement I: Activated carbon is a good and 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?

With reference to 'Direct Air Capture', an emerging technology, which of the following statements is/are correct?[2025] 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.

Consider the following types of vehicles:[2025] 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? [2025]

Which organization has enacted the Nature Restoration Law (NRL) to tackle climate change and biodiversity loss?[2025]

Consider the following statements:[2025] 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?

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?

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?

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?

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

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?[2025] 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.

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?

Consider the following statements:[2025] 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?

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?

Consider the following statements:[2025] 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?

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?

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.

In the context of electric vehicle batteries, consider the following elements:[2025] I. Cobalt II. Graphite III. Lithium IV. Nickel How many of the above usually make up battery cathodes?

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.

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

With reference to India's preparation for Climate-Smart Agriculture, consider the following statements:

Consider the following statements:[2025] 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 nonmarket strategies to reach their climate targets. Which one of the following is correct in respect of the above statements?

Artificial way of causing rainfall to reduce air pollution makes use of[2025]

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?