Which Statement Does Not Describe an Observation in Studies of the Hormone

Multiple Choice

Which statement does not describe an observation in studies of the hormone gibberellin?

A) The gibberellin content of wild-type (nondwarf) strains was determined to be much higher than that in dwarf strains.
B) Dwarf strains grew normally if additional fertilizer was applied.
C) Application of gibberellin promoted growth of dwarf strains.
D) Gibberellin may also be made by a fungus.
E) Too much gibberellin can cause disease.