17. 2008 Q5 P2
A freshly obtained dandelion stem measuring 5 cm long was split lengthwise to obtain
two similar pieces.
The pieces were placed in solutions of different concentrations in Petri dishes for 20
minutes.
The appearance after 20 minutes is as shown
Epidermis
Epidermis
Piece in L
Piece in L
(a) Account for the appearance of the pieces in solutions Li and L2
(6 marks)
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