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Question
Litmus is obtained from
Litmus is obtained from
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Solution
The correct option is A Lichen
Litmus, was formerly prepared only in Holland, but at present is manufactured from various lichens in Italy, France and Britain. A peculiar blue coloring matter obtained from Roccella tinctoria, Acharius, and other lichens. Roccella tinctoria, or Orchilla weed, is a small, dry lichen, with a rounded, glaucous, nearly erect thallus, forked and subdivided into numerous branchy, roundish, gray, yellowish, or brownish threads; the apothecia are scattered, red and elevated; the disks are flat, caesius, pruinose, and as broad as the border.
Litmus, was formerly prepared only in Holland, but at present is manufactured from various lichens in Italy, France and Britain. A peculiar blue coloring matter obtained from Roccella tinctoria, Acharius, and other lichens. Roccella tinctoria, or Orchilla weed, is a small, dry lichen, with a rounded, glaucous, nearly erect thallus, forked and subdivided into numerous branchy, roundish, gray, yellowish, or brownish threads; the apothecia are scattered, red and elevated; the disks are flat, caesius, pruinose, and as broad as the border.
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