A seedling was made to stand in solution of red ink for three hours and a transverse section of the stem was examined under the microscope. The process investigated was
A.
the important of micro element to plants
B.
ascent of water through the xylem
C.
diffusion of coloured substances
D.
distribution of food in plants
Answer: B
To see detailed solution to this question and thousands of other questions offline, download TestDriller SSCE. Practice rigorously for WASSCE, enjoy educational games, get chief examiners' reports, summary of WAEC literature books, compete with your peers, win prizes and more.