Class 10 Waste Management: Impact of Waste Accumulation Mock Test (ICSE)

Topics in Waste Management: Impact of Waste Accumulation

• Spoilage of landscape
• Pollution and health hazards
• Water pollution, eutrophication and oil spills
• Need for waste management

Waste Management: Impact of Waste Accumulation practice questions with answers

1. Q1Multiple choice·1 mark
   What is the primary objective of implementing sustainable waste management practices like the 3Rs (Reduce, Reuse, Recycle)?

   1. (a)Conserving natural resources and minimizing environmental degradation
   2. (b)Making waste easier to burn in incinerators for electricity
   3. (c)Creating more landfill sites to store waste safely away from towns
   4. (d)Increasing the revenue that municipal bodies earn from collecting waste fees from households
   Show answer and step marks

   1. Correct option: (a)+1

   Answer: (a)
2. Q2Multiple choice·1 mark
   Accumulation of large heaps of non-biodegradable solid waste in open urban areas primarily results in which of the following?

   1. (a)Spoilage of landscape and degradation of aesthetic value of land
   2. (b)Eutrophication and algal blooms in the lakes and ponds of the surrounding area
   3. (c)Thermal pollution of the nearby rivers and streams
   4. (d)Formation of oil slicks on the nearby coastal waters
   Show answer and step marks

   1. Correct option: (a)+1

   Answer: (a)
3. Q3Multiple choice·1 mark
   Which of the following is a primary consequence of eutrophication in water bodies caused by excessive fertilizer runoff?

   1. (a)Depletion of dissolved oxygen due to microbial decomposition of algal blooms
   2. (b)Better growth of submerged plants as more sunlight reaches the bed of the water body
   3. (c)Faster growth of fish as the added fertilizer nutrients serve directly as their food
   4. (d)Death of the algae from the toxic chemicals present in the fertilizers
   Show answer and step marks

   1. Correct option: (a)+1

   Answer: (a)
4. Q4Multiple choice·1 mark
   Which of the following diseases is most commonly linked to improper disposal of solid waste providing breeding grounds for vectors like mosquitoes and flies?

   1. (a)Malaria and Dengue
   2. (b)Goitre
   3. (c)Rickets
   4. (d)Scurvy
   Show answer and step marks

   1. Correct option: (a)+1

   Answer: (a)
5. Q5Long answer·4 marks
   (a) State two reasons to justify the need for segregating waste at the source before disposal. [2] (b) Explain two environmental benefits of recycling non-biodegradable waste materials. [2]
   Show answer and step marks

   1. (a) First reason, any one of: it keeps toxic and hazardous waste separate from organic waste for safe treatment; wet (biodegradable) waste can be composted; dry waste such as paper, plastic and metal can be recovered for recycling; it reduces the volume of mixed waste sent to landfills, saving land; it protects waste handlers from injury and disease; or any other valid reason.+1
   2. (a) Second reason, a different one from the same list.+1
   3. (b) First benefit, explained, any one of: it reduces the need to extract virgin raw materials, conserving natural resources; it saves energy and lowers greenhouse gas emissions compared with manufacturing from raw materials; it reduces the load on landfills; it reduces pollution of land and water by plastic and other litter; or any other valid benefit.+1
   4. (b) Second benefit, a different one from the same list.+1

   Answer: (a) Any two of: keeps hazardous waste separate for safe treatment, allows composting of wet waste, allows recycling of dry waste, reduces waste sent to landfills, protects waste handlers. (b) Any two of: conserves natural resources, saves energy and cuts emissions, reduces landfill load, reduces land and water pollution.

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