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02-11-2016
Biology

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Which of the following plant hormones is responsible for plant activities that are opposite of auxin's effects?
a. ethylene
b. gibberellins
c. abscisic acid
d. cytokinins

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02-11-2016

C. Abscisic acid Because ethylene , gibberellins and cytokinis are grown promotors and only from above abscisic acid is growth inhibitor and it do abscission in plants

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