PYQ Vault

Disposing of waste and its alternatives

This type of question, asked 5 times: 2022, 2023, 2024, 2025, 2026. All 10 questions below, oldest first.

Try each one first, then open its answer.

  1. Question 1

    2022

    1 (a)
    Kulhads (disposable cups made of clay) and disposable paper cups both are used as an alternative for disposable plastic cups. Which one of these two can be considered as a better alternative to plastic cups and why ?
  2. Question 2

    2022

    7 (b)
    (a) What is meant by garbage ? List two classes into which garbage is classified. (b) What do we actually mean when we say that the “enzymes are specific in their action” ?
  3. Question 3

    2023

    25
    What is the difference between biodegradable and non-biodegradable substances ? List two methods of safe disposal of biodegradable domestic waste.
  4. Question 4

    2024

    Two statements are given, one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer from the options given below.
    20
    Assertion (A) : The waste we generate daily may be biodegradable or non-biodegradable. Reason (R) : The waste generated, if not disposed off properly may cause serious environmental problems.

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  5. Question 5

    2024

    26
    Name the term used for the materials which cannot be broken down by biological processes. Give two ways by which they harm various components of an ecosystem.
  6. Question 6

    2025

    16
    Human activities that are affecting the environment are :

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  7. Question 7

    2025

    Two statements are given, one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer from the options given below.
    20
    Assertion (A) : Use of jute bags for shopping reduces pollution. Reason (R) : Jute is biodegradable and its bag may be reused as and when needed.

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  8. Question 8

    2026

    12
    Suggest one best way to dispose of the following wastes : (i) Kitchen waste (ii) Metallic waste (iii) Plastic bottles (iv) Sanitary waste
  9. Question 9

    2026

    12
    Suggest one precaution to be taken before disposing of the following : (a) Sewage from homes (b) Industrial wastes
  10. Question 10

    2026

    12
    Suggest two ways of dealing with waste generated at home.