Question:
A transverse section of the 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?
a. Red and green
b. Green and red
c. Orange and yellow
d. Purple and orange
Solution:
Option (a) Red and green is the answer.
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