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Question
A transverse section of stem is stained first with safranin and then with fast green following the usual schedule of double staining for the preparation of a permanent slide. What would be the colour of the stained xylem and phloem?
Options
Red and green
Green and red
Orange and yellow
Purple and orange
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Solution
Red and green
Explanation:
When the xylem is coloured it will change into the colour red and the phloem is coloured green with fast green.
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