UPSC CSE Environment & Ecology — practice questions
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Practice UPSC CSE Environment & Ecology in the app →Consider the following statements:
Statement I:
Circular economy reduces the emissions of greenhouse gases.
StConsider the following statements about the Rashtriya Gokul Mission :
I. It is important for the upliftment ofConsider the following statements :
Statement I :
Studies indicate that carbon dioxide emissions from cement iConsider the following statements :
Statement I :
At the 28th United Nations Climate Change Conference (COP28)Consider the following statements :
Statement I :
Article 6 of the Paris Agreement on climate change is frequeWith reference to 'Direct Air Capture', an emerging technology, which of the following statements is/are correRegarding Peacock tarantula (Gooty tarantula), consider the following statements:
I. It is an omnivorous crustConsider the following statements :
I. Carbon dioxide (CO₂) emissions in India are less than 0.5 t CO₂/capita.With reference to the planet Earth, consider the following statements:
I. Rain forests produce more oxygen thaConsider the following:
I. Cigarette butts
II. Eyeglass lenses
III. Car tyres
How many of them contain plasticConsider the following statements :
Statement I :
Activated carbon is a good and an attractive tool to remove The World Bank warned that India could become one of the first places where wet-bulb temperatures routinely exConsider the following statements about 'PM Surya Ghar Muft Bijli Yojana':
I. It targets installation of one cArtificial way of causing rainfall to reduce air pollution makes use ofWhich organization has enacted the Nature Restoration Law (NRL) to tackle climate change and biodiversity lossConsider the following statements:
Statement-I:
Rainfall is one of the reasons for weathering of rocks.
StatemWith reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer pConsider the following:
1. Carabid beetles
2. Centipedes
3. Flies
4. Termites
5. Wasps
Parasitoid species are Consider the following statements :
Statement-I :
Many chewing gums found in the market are considered a sourcConsider the following pairs :
<table><tr><th></th><th>Country</th><th>Animal found in its natural habitat</thConsider the following statements :
1. Lions do not have a particular breeding season.
2. Unlike most other biWhich one of the following is the correct description of "100 Million Farmers"?Consider the following:
1. Battery storage
2. Biomass generators
3. Fuel cells
4. Rooftop solar photovoltaic uWhich one of the following shows a unique relationship with an insect that has coevolved with it and that is tConsider the following:
1. Butterflies
2. Fish
3. Frogs
How many of the above have poisonous species among theConsider the following:
1. Cashew
2. Papaya
3. Red sanders
How many of the above trees are actually native to Which one of the following is the exhaust pipe emission from Fuel Cell Electric Vehicles, powered by hydrogen Recently, the term “pumped-storage hydropower” is actually and appropriately discussed in the context of whichConsider the following materials:
1. Agricultural residues
2. Corn grain
3. Wastewater treatment sludge
4. WooAccording to the Environmental Protection Agency (EPA), which one of the following is the largest source of suConsider the following statements:
**Statement-I:**
The European Parliament approved The Net-Zero Industry ActTeak (Tectona grandis)
How many of the above are deciduous trees?Consider the following statements:
Statement-I:
Marsupials are not naturally found in India.
Statement-II:
Mar'Invasive Species Specialist Group' (that develops Global Invasive Species Database) belongs to which one of tConsider the following fauna:
1. Lion-tailed Macaque
2. Malabar Civet
3. Sambar Deer
How many of the above areConsider the following statements regarding the Indian squirrels:
1. They build nests by making burrows in theWhich one of the following makes a tool with a stick to scrape insects from a hole in a tree or a log of wood?Consider the following:
1. Aerosols
2. Foam agents
3. Fire retardants
4. Lubricants
In the making of how many Consider the following statements :
Statement-I :
Carbon markets are likely to be one of the most widespread tConsider the following infrastructure sectors:
1. Affordable housing
2. Mass rapid transport
3. Health care
4.Consider the following statements:
Once the Central Government notifies an area as a 'Community Reserve'
1. thConsider the following statements:
1. Carbon fibres are used in the manufacture of components used in automobiWith reference to the role of biofilters in Recirculating Aquaculture System, consider the following statementConsider the following statements regarding mercury pollution :
1. Gold mining activity is a source of mercuryConsider the following activities :
1. Spreading finely ground basalt rock on farmlands extensively
2. Increas'Aerial metagenomics' best refers to which one of the following situations?Consider the following statements :
Statement-I :
According to the United Nations’ ‘World Water Development ReConsider the following statements:
1. In India, the Biodiversity Management Committees are key to the realizatConsider the following heavy industries:
1. Fertilizer plants
2. Oil refineries
3. Steel plants
Green hydrogenAmong the following crops, which one is the most important anthropogenic source of both methane and nitrous ox"System of Rice Intensification" of cultivation, in which alternate wetting and drying of rice fields is practConsider the following pairs:
<table><tr><th>Wetland/Lake</th><th>Location</th></tr><tr><td>1. Hokera Wetland<If a major solar storm (solar flare) reaches the Earth, which of the following are the possible effects on the"Climate Action Tracker" which monitors the emission reduction pledges of different countries is a:Consider the following statements:
1. "The Climate Group" is an international non-profit organization that dri"If rainforests and tropical forests are the lungs of the Earth, then surely wetlands function as its kidneys.In the context of WHO Air Quality Guidelines, consider the following statements:
1. The 24-hour mean of PM₂.₅ With reference to “Gucchi” sometimes mentioned in the news, consider the following statements:
1. It is a fungWith reference to polyethylene terephthalate, the use of which is so widespread in our daily lives, consider tWhich of the following is not a bird?Which of the following are nitrogen-fixing plants?
1. Alfalfa
2. Amaranth
3. Chickpea
4. Clover
5. Purslane (K“Biorock technology” is talked about in which one of the following situations?The “Miyawaki method” is well known for the:Which one of the following has been constituted under the Environment (Protection) Act, 1986?Which one of the following statements best describes the 'Polar Code'?Which one of the following best describes the term "greenwashing"?With reference to Indian laws about wildlife protection, consider the following statements:
1. Wild animals arCertain species of which one of the following organisms are well known as cultivators of fungi?Consider the following statements:
DNA Barcoding can be a tool to:
1. assess the age of a plant or animal.
2. Consider the following:
1. Carbon monoxide
2. Nitrogen oxide
3. Ozone
4. Sulphur dioxide
Excess of which of th'R2 Code of Practices' constitutes a tool available for promoting the adoption ofWhy is there a concern about copper smelting plants?
1. They may release lethal quantities of carbon monoxide With reference to furnace oil, consider the following statements:
1. It is a product of oil refineries.
2. SomWhat is blue carbon?In the nature, which of the following is/are most likely to be found surviving on a surface without soil?
1. FWhich one of the following is used in preparing a natural mosquito repellent?Consider the following kinds of organisms:
1. Copepods
2. Cyanobacteria
3. Diatoms
4. Foraminifera
Which of thConsider the following animals:
1. Hedgehog
2. Marmot
3. Pangolin
To reduce the chance of being captured by prWith reference to the 'New York Declaration on Forests', which of the following statements are correct?
1. It Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants Which one of the following is a filter feeder?In case of which one of the following biogeochemical cycles, the weathering of rocks is the main source of relWhich of the following are detritivores?
1. Earthworms
2. Jellyfish
3. Millipedes
4. Seahorses
5. Woodlice
SelThe 'Common Carbon Metric', supported by UNEP, has been developed forWhich of the following have species that can establish symbiotic relationship with other organisms?
1. CnidariHow is permaculture farming different from conventional chemical farming?
1. Permaculture farming discourages With reference to ‘palm oil’, consider the following statements:
1. The palm oil tree is native to Southeast AWith reference to India, Didwana, Kuchaman, Sargol and Khatu are the names ofAmong the following, which one is the least water-efficient crop?In the context of India's preparation for Climate-Smart Agriculture, consider the following statements:
1. TheConsider the following statements:
1. Moringa (drumstick tree) is a leguminous evergreen tree.
2. Tamarind tre'Triclosan', considered harmful when exposed to high levels for a long time, is most likely present in which oWhich of the following are the reasons/factors for exposure to benzene pollution?
1. Automobile exhaust
2. TobWith reference to Indian elephants, consider the following statements:
1. The leader of an elephant group is aWhich of the following Protected Areas are located in Cauvery basin?
1. Nagarhole National Park
2. Papikonda NWith reference to India's biodiversity, Ceylon frogmouth, Coppersmith barbet, Gray-chinned minivet and White-tWhich one of the following protected areas is well-known for the conservation of a sub-species of the Indian sSteel slag can be the material for which of the following?
1. Construction of base road
2. Improvement of agriWhich of the following are the most likely places to find the musk deer in its natural habitat?
1. Askot WildlIn rural road construction, the use of which of the following is preferred for ensuring environmental sustainaConsider the following statements:
1. Coal ash contains arsenic, lead and mercury.
2. Coal-fired power plants What is the use of biochar in farming?
1. Biochar can be used as a part of the growing medium in vertical farmAccording to India's National Policy on Biofuels, which of the following can be used as raw materials for the In the context of India, which of the following is/are considered to be practice(s) of eco-friendly agriculturWith reference to India's Desert National Park, which of the following statements are correct?
1. It is spreadConsider the following statements:
1. 36% of India's districts are classified as "overexploited" or "critical"Among the following Tiger Reserves, which one has the largest area under "Critical Tiger Habitat"?Which one of the following National Parks lies *completely* in the temperate alpine zone?Which one of the following groups of plants was domesticated in the 'New World' and introduced into the 'Old WConsider the following statements:
1. Asiatic lion is naturally found in India only.
2. Double-humped camel isIn the context of which of the following do some scientists suggest the use of cirrus cloud thinning techniqueIn the context of which one of the following are the terms 'pyrolysis and plasma gasification' mentioned?Which of the following are in Agasthyamala Biosphere Reserve?Consider the following statements:
1. Some species of turtles are herbivores.
2. Some species of fish are herbConsider the following pairs:
<table><tr><th>Wildlife</th><th>Naturally found in</th></tr><tr><td>1. Blue-finnWhy is there a great concern about the 'microbeads' that are released into environment?Recently, there was a growing awareness in our country about the importance of Himalayan nettle (*Girardinia dFor the measurement/estimation of which of the following are satellite images/remote sensing data used?
1. ChlWhich of the following statements are correct about the deposits of 'methane hydrate'?
1. Global warming mightConsider the following:
1. Carbon monoxide
2. Methane
3. Ozone
4. Sulphur dioxide
Which of the above are relea