IAS 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?

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?

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?

Consider the following statements : 1. Statement-I : The soil in tropical rain forests is rich in nutrients. 2. Statement-II : The high temperature and moisture of tropical rain forests cause dead organic matter in the soil to decompose quickly. Which one of the following is correct in respect of the above statements?

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 safe level of exposure to mercury. How many of the above statements are correct?

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 pumping it into abandoned subterranean mines in the form of carbonated waters How many of the above activities are often considered and discussed for carbon capture and sequestration?

Consider the following statements : 1. Some microorganisms can grow in environments with temperature above the boiling point of water. 2. Some microorganisms can grow in environments with temperature below the freezing point of water. 3. Some microorganisms can grow in highly acidic environment with a pH below 3. How many of the above statements are correct?

Consider the following statements : 1. Once the Central Government notifies an area as a 'Community Reserve', the Chief Wildlife Warden of the State becomes the governing authority of such forest 2. hunting is not allowed in such area 3. people of such area are allowed to collect non-timber forest produce 4. people of such area are allowed traditional agricultural practices How many of the above statements are correct?

Which one of the following is a part of the Congo Basin?

'Invasive Species Specialist Group' (that develops Global Invasive Species Database) belongs to which one of the following organizations?

Consider the following statements : 1. Statement-I : Marsupials are not naturally found in India. 2. 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?

Consider the following statements : 1. Statement-I : Carbon markets are likely to be one of the most widespread tools in the fight against climate change. 2. Statement-II : Carbon markets transfer resources from the private sector to the State. Which one of the following is correct in respect of the above statements?

Consider the following statements : 1. In India, the Biodiversity Management Committees are key to the realization of the objectives of the Nagoya Protocol. 2. The Biodiversity Management Committees have important functions in determining access and benefit sharing, including the power to levy collection fees on the access of biological resources within its jurisdiction. Which of the statements given above is/are correct?