Which of the Following Statements About Plant Hormones Is False

Multiple Choice

Which of the following statements about plant hormones is false?

A) They are organic compounds that act as a highly specific chemical signal.
B) They are effective in extremely small amounts.
C) They elicit many different responses.
D) They stimulate a response at one concentration and inhibit that same response at a different concentration.
E) They can be categorized into seven major classes.