A) roots
B) leaves
C) fruits
D) stems
Correct Answer: A
Solution :
The synthesis of cytokinin occurs in root tips, which is then transported to different parts of the plant through xylem elements. By horizontally cutting the root tips it was observed that cytokinin exuded out through xylem elements. Cytokinin induces cell division activity, morphogenesis, delay in senescence and suppression of apical dominance.
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