2023
Environment & Ecology
Subject Collection
UPSC Prelims 2023 Environment & Ecology
Environment & Ecology PYQs for UPSC Prelims 2023.
2023
Environment & Ecology
With reference to the role of biofilters in Recirculating Aquaculture System, consider the following statements: 1. Biofilters provide waste treatment by removing uneaten fish feed. 2. Biofilters convert ammonia pr...
2023
Environment & Ecology
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...
2023
Environment & Ecology
Which one of the following makes a tool with a stick to scrap insects from a hole in a tree or a log of wood?
2023
Environment & Ecology
Invasive species Specialist Group' (that develops Global Invasive Species Database) belongs to which one of the following organizations?
2023
Environment & Ecology
Consider the following: 1. Aerosols 2. Foam agents 3. Fire retardants 4. Lubricants In the making of how many of the above are hydrofluorocarbons used?
2023
Environment & Ecology
Consider the following statements : Statement-I : According to the United Nation's 'World Water Development Report, 2022', India extracts more than a quarter of the world's groundwater withdrawal each year. Statem...
2023
Environment & Ecology
Consider the following activities : 1. Spreading finely ground basalt rock on farmlands extensively 2. Increasing the alkalinity of oceans by adding lime 3. Capturing carbon dioxide released by various industries and ...
2023
Environment & Ecology
Consider the following statements: Statement-I: Carbon markets are likely to be one of the most widespread tools in the fight against climate change. Statement-II: Carbon markets transfer resources from the private ...
2023
Environment & Ecology
Consider the following statements regarding Mercury pollution : 1. Gold mining activity is a source of mercury pollution in the world. 2. Coal-based thermal power plants cause mercury pollution. 3. There is no known s...
2023
Environment & Ecology
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?
2023
Environment & Ecology
Consider the following statements : 1. In India, the Biodiversity Management committees are key to the realization of the objectives of Nagoya Protocol. 2. The Biodiversity Management committees have important fun...
2023
Environment & Ecology
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?
2023
Environment & Ecology
Consider the following statements: Once the Central Government notifies an area as a 'Community Reserve' 1. The Chief Wildlife Warden of the State becomes the governing authority of such forest 2. hunting is not all...
2023
Environment & Ecology
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. ...
2023
Environment & Ecology