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Xylem

A transverse ...

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?

(a) Red and green

(b) Green and red

(c) Orange and yellow

(d) Purple and orange

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Solution

The xylem is coloured red with safrinin and phloem green with fast green, whereas other colours are not given by safranin and fast green.

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