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.
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 ?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” ?Question 3
2023
25What is the difference between biodegradable and non-biodegradable substances ? List two methods of safe disposal of biodegradable domestic waste.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.20Assertion (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.Tap an option to check your answer.
Question 5
2024
26Name 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.Question 6
2025
16Human activities that are affecting the environment are :Tap an option to check your answer.
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.20Assertion (A) : Use of jute bags for shopping reduces pollution. Reason (R) : Jute is biodegradable and its bag may be reused as and when needed.Tap an option to check your answer.
Question 8
2026
12Suggest one best way to dispose of the following wastes : (i) Kitchen waste (ii) Metallic waste (iii) Plastic bottles (iv) Sanitary wasteQuestion 9
2026
12Suggest one precaution to be taken before disposing of the following : (a) Sewage from homes (b) Industrial wastesQuestion 10
2026
12Suggest two ways of dealing with waste generated at home.