question_answer 13)

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

Answer:

                (a) The xylem is coloured red with safrinin and phloem green with fast green, whereasother colours are not given by safranin and fast green.