i. Safai karamcharis take the garbage from the bins.
ii. Biodegradable wastes could be converted into useful compost.
iii. Drains get choked due to plastic thrown by us.
iv. Redworms do not survive in very hot or very cold surroundings.
i. The packaging material of flour, biscuits and milk go out as garbage. True
ii. We generate so much garbage in our day-to-day activities. True
iii. Garbage contains only non-useful components. False
iv. Polythene bags are useful components of garbage. False
v. Garbage heaps of dried leaves should not be burnt. True
Ans. Earthworm called redworm is used for composting.
Ans. A type of earthworm called redworm is used for composting.
Ans. Microorganisms such as bacteria, fungi etc. is involved in composting.
Ans. Glass bottles, recycling polythene and jute bags
Ans. Papier-mâchè is a paste made of clay and waste paper used for moulding box, trays, basket etc.
Ans. Toys, shoes, bags, pens, combs, tooth brushes, buckets, bottles, water pipes etc.
Ans. The green bins are for collecting kitchen and other plant or animal wastes.
Ans. A black color and no foul smell indicate that rotting of garbage is complete.
Ans. The blue bins are used for materials that can be used again — such as plastics, metals and glass.
Ans. The rotting and conversion of some materials into manure is called ‘composting’.
Ans. Landfill is an area where the garbage collected from a city or town is dumped. The area is later converted into a park.
Ans. Banana leaf platter is a better option than plastic plate because it is cost effective and eco-friendly.
Ans. Waste materials such as kitchen, plants and animals waste rots completely when buried in the soil.
Ans. Kitchen waste mainly consists of fruits and vegetable peels, egg shells, waste food and tea leaves.
Ans. Garbage collected by safai karamchari is taken to a low lying open area, called a landfill.
Ans. Pieces of cloth, polythene bags, broken glass, aluminium wrappers, nails, old shoes, broken toys etc.
Ans. Plastic bags, tins, bottles, glass, aluminum foils, broken bangles, steel etc. could not be converted into compost by the redworms.
Ans. To deal with some of the useful components of garbage, compost making areas are developed near the landfill.
Ans. A type of earthworm called redworm is used for composting and helps in increasing the fertility the soil. Thus they are called farmer’s friends.
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