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Which set lists five major plant hormone classes?

AGA, adrenaline, CK, ABA, ethylene
BAuxin, insulin, CK, ABA, ethylene
CAuxin, GA, CK, thyroxine, ethylene
DAuxin, GA, CK, ABA, ethylene
Answer & Solution
Correct answer: D. Auxin, GA, CK, ABA, ethylene
The five initially identified classes include auxins, gibberellins, cytokinins, ABA, and ethylene.
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