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Environment
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2022
- "Climate Action Tracker, which monitors the emission reduction pledges of different countries is a:
- "If rainforests and tropical forests are the lungs of the Earth, then surely wetlands function as its kidneys." Which one of the following functions of wetlands best reflects the…
- "System of Rice Intensification" of cultivation, in which alternate wetting and drying of rice fields is practised, results in : 1. Reduced seed requirement 2. Reduced methane…
- Among the following crops, which one is the most important anthropogenic source of both methane and nitrous oxide?
- Certain species of which one of the following organisms are well known as cultivators of fungi?
- Consider the following statements: 1. "The Climate Group" is an international non-profit organization that drives climate action by building large networks and runs them. 2. The…
- Consider the following statements: 1. Gujarat has the largest solar park in India. 2. Kerala has a fully solar powered International Airport. 3. Goa has the largest floating solar…
- Consider the following: 1. Carbon monoxide 2. Nitrogen oxide 3. Ozone 4. Sulphur dioxide Excess of which of the above in the environment is/are cause(s) of acid rain?
- In the context of WHO Air Quality Guidelines, consider the following statements: 1. The 24-hour mean of PM 2.5 should not exceed 15 µg/m3 and annual mean of PM2.5 should not exceed…
- The "Miyawaki method" is well known for the:
- Which of the following are nitrogen-fixing plants? 1. Alfalfa 2. Amarnath 3. Chickpea 4. Clover 5. Purslane (Kulfa) 6. Spinach Select the correct answer using the code given below:
- Which of the following is not a bird?
- Which one of the following has been constituted under the Environment (Protection) Act, 1986?
- With reference to "Gucchi" sometimes mentioned in the news, consider the following statements: 1. It is a fungus. 2. It grows in some Himalayan forest areas. 3. It is commercially…
- With reference to Indian laws about wildlife protection, consider the following statements: 1. Wild animals are the sole property of the government. 2. When a wild animal is…
- With reference to polythylene terephthalate, the use of which is so widespread in our daily lives, consider the following statements: 1. Its fibres can be blended with wool and…
2021
- "Leaf litter decomposes faster than in any other biome and as a result the soil surface is often almost bare. Apart from trees, the vegetation is largely composed of plant forms…
- Consider the following animals: 1. Hedgehog 2. Marmot 3. Pangolin To reduce the chance of being captured by predators, which of the above organisms rolls up/roll up and…
- Consider the following kinds of organisms: 1. Copepods 2. Cyanobacteria 3. Diatoms 4. Foraminifera Which of the above are primary producers in the food chains of oceans?
- Consider the following statements: 1. Moringa (drumstick tree) is a leguminous evergreen tree. 2. Tamarind tree is endemic to South Asia. 3. In India, most of the tamarind is…
- Consider the following statements: Statement 1: The United Nations Capital Development Fund (UNCDF) and the Arbor Day Foundation have recently recognized Hyderabad as 2020 Tree…
- How is the permaculture farming different from conventional chemical farming? 1. Permaculture farming discourages monocultural practices but in conventional chemical farming,…
- In case of which one of the following biogeochemical cycles, the weathering of rocks is the main source of release of nutrient to enter the cycle?
- In the context of India's preparation for Climate-Smart Agriculture, consider the following statements: 1. The 'Climate-Smart Village' approach in India is a part of a project led…
- In the nature, which of the following is/are most likely to be found surviving on a surface without soil? 1. Fern 2. Lichen 3. Moss 4. Mushroom Select the correct answer using the…
- Magnetite particles, suspected to cause neurodegenerative problems, are generated as environmental pollutants from which of the following? 1. Brakes of motor vehicles 2. Engines of…
- R2 Code of Practices' constitutes a tool available for promoting the adoption of
- The 'Common Carbon Metric', supported by UNEP, has been developed for
- The vegetation of savannah consists of grassland with scattered small trees, but extensive areas have no trees. The forest development in such areas is generally kept in check by…
- What is blue carbon?
- Which of the following are detritivores? 1. Earthworms 2. Jellyfish 3. Millipedes 4. Seahorses 5. Woodlice Select the correct answer using the code given below.
- Which of the following have species that can establish symbiotic relationship with other organisms? 1. Cnidarians 2. Fungi 3. Protozoa Select the correct answer using the code…
- Which one of the following is a filter feeder?
- Which one of the following is used in preparing a natural mosquito repellent?
- Why is there a concern about copper smelting plants? 1. They may release lethal quantities of carbon monoxide into environment. 2. The copper slag can cause the leaching of some…
- With reference to 'palm oil', consider the following statements: 1. The palm oil tree is native to Southeast Asia. 2. The palm oil is a raw material for some industries producing…
- With reference to furnace oil, consider the following statements: 1. It is a product of oil refineries. 2. Some industries use it to generate power. 3. Its use causes sulphur…
- With reference to the 'New York Declaration on Forests', which of the following statements are correct? 1. It was first endorsed at the United Nations Climate Summit in 2014. 2. It…
2020
- According to India's National Policy on Biofuels, which of the following can be used as raw materials for the production of biofuels? 1. Cassava 2. Damaged wheat grains 3.…
- Among the following Tiger Reserves, which one has the largest area under "Critical Tiger Habitat"?
- Consider the following statements: 1. 36% of India's districts are classified as "overexploited" or "critical" by the Central Ground Water Authority (CGWA). 2. CGWA was formed…
- Consider the following statements: 1. Coal ash contains arsenic, lead and mercury. 2. Coal-fired power plants release sulphur dioxide and oxides of nitrogen into the environment.…
- If a particular plant species is placed under Schedule VI of The Wildlife Protection Act, 1972, what is the implication?
- In rural road construction, the use of which of the following is preferred for ensuring environmental sustainability or to reduce carbon footprint? 1. Copper slag 2. Cold mix…
- Steel slag can be the material for which of the following? 1. Construction of base road 2. Improvement of agricultural soil 3. Production of cement Select the correct answer using…
- What is the use of biochar in farming? 1. Biochar can be used as a part of the growing medium in vertical farming. 2. When biochar is a part of the growing medium, it promotes the…
- Which of the following are the most likely places to find the musk deer in its natural habitat? 1. Askot Wildlife Sanctuary 2. Gangotri National Park 3. Kishanpur Wildlife…
- Which of the following are the reasons/factors for exposure to benzene pollution? 1. Automobile exhaust 2. Tobacco smoke 3. Wood burning 4. Using varnished wooden furniture 5.…
- Which one of the following protected areas is well-known for the conservation of a sub-species of the Indian swamp deer (Barasingha) that thrives well on hard ground and is…
- Which one of the following statements best describes the term 'Social Cost of Carbon'? It is a measure, in monetary value, of the