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Question 2(b)What service is indirectly done by the rag-pickers for the disposal of waste?
Question 2(c)State three steps that should be taken by the municipal authorities for the safe disposal of solid waste.
Question 2(d)What is composting? Give two advantages of using compost.
Question 3(a)What are the three R's of waste management?
Question 3(b)Explain how reusing waste can reduce the burden of waste disposal.
Question 3(c)Give a reason for each of the following:(i) Recycling of waste to produce paper can reduce deforestation.(ii) Sugarcane waste can be...
Question 3(d)What is meant by recycling of waste effectively? Give one example.
Question 4Governments all over the world are promoting 'zero waste generation' by continuously reusing resources. The key concepts (or R's) of zero...
Question 5Assertion (A): The waste is segregated before it is disposed of.Reason (R): Segregation reduces the volume of waste that reaches...
Question 1How can segregation of waste into biodegradable and non-biodegradable reduce the quantity of waste and can be utilised for generating...
Question 2Bio-fuels should be developed on a large scale as an alternative to fossil fuels and to reduce generation of waste. State your views.
Question 3Find out recent innovations by which waste has been used to form useful products.
Question 4What are eco-bricks? Make a list of items that you can make using eco bricks.