Question 24

(Multiple Choice)

A species- specific ratio of produced in the apical meristem and _ produced in the root tips maintains a balance between shoot and root growth.

A) abscisic acid; ethylene
B) auxins; cytokinins
C) gibberellins; abscisic acid
D) cytokinins; auxins
E) abscisic acid; gibberellins

Answer

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