A transverse section of a 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?

Red and green

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Green and red

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Orange and yellow

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Purple and orange

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Solution

The correct option is A Red and green
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. The xylem is stained red and the phloem appears green. Thus, the correct option is A.

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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?

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