III. Give two examples for the following\u00a0<\/span><\/p>\nQuestion 1.
\nBiodegradable wastes
\nAnswer:
\nVegetables and paper.<\/p>\n
Question 2.
\nNon – biodegradable wastes
\nAnswer:
\nPlastic and Fertilizers<\/p>\n
Question 3.
\nRecycle wastes
\nAnswer:
\nPaper and glass<\/p>\n
Question 4.
\nReusable wastes
\nAnswer:
\nPlastic and cardboards<\/p>\n
Question 5.
\nDomestic wastes
\nAnswer:
\nFruit peels and plastic bags<\/p>\n
IV. Answer the following questions:<\/span><\/p>\nQuestion 1.
\nWhat is a landfill?
\nAnswer:
\nA low – lying open area is called landfills.<\/p>\n
Question 2.
\nWhat are blue coloured bins used for?
\nAnswer:
\nBlue bins are used for collecting materials Composting into manure.<\/p>\n
Question 4.
\nWhat are red worms?
\nAnswer:
\nRed worms are a type of earthworms which help in preparing compost from the kitchen wastes and parts of plants or animals.<\/p>\n
Question 5.
\nWe should not add wastes containing salts, pickles, oil, vinegar, meat and milk products in vermicomposting pit to feed the red worms. Why?
\nAnswer:
\nAddition of substances such as salts, oil, pickles, vinegar, meat and milk products
\nto vermicomposting pit causes growth of disease causing small organisms. They may cause harm to red worms and hinder in preparation of vermicompost.<\/p>\n
Question 7.
\nList the products produced from an industry?
\nAnswer:<\/p>\n
\n- Chemicals.<\/li>\n
- Smoke.<\/li>\n
- Ash.<\/li>\n
- Empty containers such as glass bottles, plastic articles, wrapper.<\/li>\n
- Plastic bags.<\/li>\n
- Broken things, iron or other metals.<\/li>\n<\/ol>\n
Question 8.
\nWhat will happen if garbage is left open in a bin ?
\nAnswer:<\/p>\n
\n- Garbage will rot and bad smell will spread all around the surroundings.<\/li>\n
- Garbage will become breeding spot for flies, mosquitoes and other diseases causing small organisms.<\/li>\n
- Due to flies, mosquitoes and other organisms many diseases will spread in the community.<\/li>\n
- Rotting garbage may cause air pollution and spread of respiratory disease such as breathing problems.<\/li>\n<\/ol>\n
Question 9.
\nList out waste things ?
\nAnswer:<\/p>\n