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Question 14 Marks
Mention the sources of the following:
Answer
(a) Domestic wastes–Sources of domestic waste includes food, paper, cardboard, plastics, textiles, leather, yard wastes, wood, glass, metals, ashes, special wastes (e.g., bulky items, consumer electronics, white goods, batteries, oil, tires), and household hazardous wastes. Was this answer helpful?
(b) Industrial wastes–Sources of industrial wastewater include battery manufacturing, chemical manufacturing, electric power plants, food industry, iron and steel industry, metal working, mines and quarries, nuclear industry, oil and gas extraction, petroleum refining and petrochemicals, pharmaceutical manufacturing, pulp and paper industry
(c) Agricultural wastes–Agricultural waste is defined as unwanted waste produced as a result of agricultural activities
(d) Commervial wastes–
manufacturing and industrial processes.
mining.
wholesale or retail trading.
sorting, resource recovery, reprocessing and recycling operations.
activities carried out at a domestic premises under a commercial arrangement.
(ii) What are the objectives of waste disposal?–To protect our environment from pollution and contamination and repair and reduce the damage caused by pollution. Irresponsibly disposed of waste can lead to various diseases and can harm people.
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[5 Mark Question Answer] - BIOLOGY STD 9 Questions - Vidyadip