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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
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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