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Media and Distance Education:
The role of media in distance education needs a specific mention. It is impIied that teaching is done from a dbtance. It is also understood that education is imparted through correspondence, audio-visual aids, like radio, teIevision and telephone, besides personal contacts. As against a university, which enrolls students of a similar age, has definite time schedule, and is confined to a geographical area or campus, an 'open university' can cater to all kinds of students--of various ages, living in different and even far places, who wish tocombine education with employment or work at home. It can provide a great variety of courses. Even the pace of learning would be different for students enrolled in the same course. The Indira Gandhi National Open University is envisaged as an institution for the 'fitire country. One ot the pnnclpal objectives of this University is to provide education to those who have been denied opportunity for higher education, either because they live in remote and rural areas or because of any other handicap, including financial constraints and family obligations. The 'study centres' with audio-viial and library facilities are an important part of the University. Here, students can meet their academic counsellor and discuss their difficulties. Support from radio and television is also important in distance learning.
Explain Ketones The ketone bodies accumulate in the blood in impaired glucose metabolism as in starvation and diabetes mellitus. The high levels of ketone bodies are excreted i
Maximum in 50 words for 2marks
Explain Tidal Volume and Inspiratory Reserve Volume Tidal Volume (TV): It is the volume of air that is taken in or given out during quiet breathing. The volume 1s about 500
Slight Bleeding : Frequently, the bleeding stops of its own accord or is easily controlled by local pressure. The procedure for first aid treatment is as follows: (1) Reassure
ecological characteristics of deserts
Define Age Related Changes in Blood Blood: Here the haemopoiesis (the formation of blood cells) slows down. Fatty marrows replace the heamopoietic (red) marrow. Thus, the proli
Evaporation Highly volatile liquid wastes could be disposed of by effective ventilation. Example : Diethyl et-her. Moderately volatile liquid wastes can be absorbed on
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Explain the Microscopical examination of Urine By microscopical examination, the pus cells, RBC and cast cells are found if the infection is present. Microscopical examination
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