UPSC solved previous year questions

UPSC Environmental pollution PYQ with Answers

6 solved Environmental pollution questions from previous UPSC papers, each with an answer and explanation.

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Questions
6
Years covered
2020–2024
Exam years
3
With answers
6

Environmental pollution questions by year

20242 2023 🔒1 2020 🔒3

UPSC Environmental pollution PYQ with Answers

1–2 of 2
  1. Q1 2024 Prelims GS

    With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS), consider the following statements:
    1. PFAS are found 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 animals.
    Which of the statements given above are correct?

    1. 1 and 2 only
    2. 2 and 3 only
    3. 1 and 3 only
    4. 1, 2 and 3✓
    Answer explanation

    1, 2 and 3 PFAS are a large group of synthetic chemicals used in various industrial and consumer applications. They have been detected in drinking water, food and food-contact materials.…

    EnvironmentEnvironmental pollutionPersistent chemicals
    Read full explanation
  2. Q2 2024 Prelims GS

    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?

    1. Both Statement-I and Statement-II are correct and Statement-II explains Statement-I.✓
    2. Both Statement-I and Statement-II are correct, but Statement-II does not explain Statement-I.
    3. Statement-I is correct, but Statement-II is incorrect.
    4. Statement-I is incorrect, but Statement-II is correct.
    Answer explanation

    Both Statement-I and Statement-II are correct and Statement-II explains Statement-I. Statement-I is correct because discarded chewing gum persists in the environment and contributes to litter and pollution.…

    Chewing gum wasteEnvironmentEnvironmental pollution
    Read full explanation

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