A transverse section of the stem is stained

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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