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Virtual educentre (INST- 11057) | Online
Bhuj
ACT- 278746
Status:
Volunteeers:
Shail Palan (34273)
Others- , ,
Others- , ,
Impact:
Learnt answer to given questions
1. (a) Garbage substances like broken glass, aluminium wrappers, plastic items, polythene bags, which are non-biodegradable cannot be converted into compost by the redworms.
(b) Yes, saprophytic organisms such as moulds (white, black or greyish cottony patches) and bacteria (which can be seen under microscope) that help in decomposing biodegradable substances
5.
(a) Packaging materials like thermocole, foam sheets, paper cuttings, card board, jute are used to protect the articles.Card boxes, plastic containers and tin containers are used to facilitate transportation of the packed materials.
(b) Packaging of toys, clothes, shoes, chocolates can be reduced.
(c) We use packaging materials to protect the articles and also to make package good- looking. For example, to give a gift on birthday, the gift is packed and wrapped in a shiny paper or plastic-coated paper. After use the packing material is thrown in dustbin
6. Compost is eco-friendly and harmless. It maintains the texture and fertility of the soil.Chemical fertilisers destroy the natural composition of soil and have adverse effect on human health.
Composting helps in recycling of matter and also in disposal of garbage. Leaching of chemical fertilisers causes water pollution and death of aquatic organisms.
The production of compost is easy, cheap and harmless whereas production of chemical fertilisers is costly and problematic.
Report:
Today session was question answer of 16 chapter
1. (a) Garbage substances like broken glass, aluminium wrappers, plastic items, polythene bags, which are non-biodegradable cannot be converted into compost by the redworms.
(b) Yes, saprophytic organisms such as moulds (white, black or greyish cottony patches) and bacteria (which can be seen under microscope) that help in decomposing biodegradable substances
5.
(a) Packaging materials like thermocole, foam sheets, paper cuttings, card board, jute are used to protect the articles.Card boxes, plastic containers and tin containers are used to facilitate transportation of the packed materials.
Date:
02/04/2022
