With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products. consider the following statements: 1. PFAS are found to be widespread in drinking water food and food packaging material 2. PFAS are not easily degraded in the environment. 3. Persistent exposure to PFAS can lead to bioaccumulation in animal bodies. Which of the statements given above are correct?

With reference to polyethylene 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 cotton fibres to reinforce their properties. 2. Containers made of it can be used to store any alcoholic beverage. 3. Bottles made of it can be recycled into other products. 4. Articles made of it can be easily disposed of by incineration without causing greenhouse gas emissions. Which of the statements given above are correct?

“Biorock technology” is talked about in which one of the following situations?

What is blue carbon?

‘R2 Code of Practices’ constitutes a tool available for promoting the adoption of

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 asphalt technology 3. Geotextiles 4. Hot mix asphalt technology 5. Portland cement Select the correct answer using the code given below:

Which of the following statements best describes “carbon fertilization”?

It is possible to produce algae-based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry? 1. Production of algae-based biofuels is possible in seas only and not on continents. 2. Setting up and engineering the algae-based biofuel production requires high level of expertise/technology until the construction is completed. 3. Economically viable production necessitates the setting up of large-scale facilities which may raise ecological and social concerns. Select the correct answer using the code given below:

Consider the following statements: 1. The Sustainable Development Goals were first proposed in 1972 by a global think tank called the ‘Club of Rome’. 2. The Sustainable Development Goals have to be achieved by 2030. Which of the statements given above is/are correct?

Match List I with List II and select the correct answer using the codes given below the Lists:
 List-I
 i. World Environment Day
 ii. World Forestry Day
 iii. World Habitat Day
 iv. World Ozone Day
 List-II
 1. March 21
 2. June 5
 3. September 16
 4. October 3
 5. December 10
 i ii iii iv