UPSC 2024 › Environment & Ecology › Pollution & Waste Management

3 questions · 2024 · answers as per the UPSC key

Take test Free Study this topic: Pollution and Environmental Governance
All years of Pollution & Waste Management · Full UPSC 2024 paper

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 materials.
  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 ?

(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
Show answer
Answer: (d) 1, 2 and 3

Consider the following statements :

Statement-I : Many chewing gums found in the market are considered a source of environmental pollution.

Statement-II : Many chewing gums contain plastic as gum base.

Which one of the following is correct in respect of the above statements ?

(a) Both Statement-I and Statement-II are correct and Statement-II explains Statement-I
(b) Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I
(c) Statement-I is correct, but Statement-II is incorrect
(d) Statement-I is incorrect, but Statement-II is correct
Show answer
Answer: (a) Both Statement-I and Statement-II are correct and Statement-II explains Statement-I

According to the Environmental Protection Agency (EPA), which one of the following is the largest source of sulphur dioxide emissions ?

(a) Locomotives using fossil fuels
(b) Ships using fossil fuels
(c) Extraction of metals from ores
(d) Power plants using fossil fuels
Show answer
Answer: (d) Power plants using fossil fuels