Which Statement Is NOT True About Stomata

Multiple Choice

Which statement is NOT true about stomata?

A) As guard cells become turgid,the stomata open.
B) There are two guard cells around each stomata.
C) Guard cells take up potassium ions and water enters the guard cells.
D) The blue light component of sunlight is a signal that can cause stomata to close.
E) Stomata open and close on a daily basis,even if kept in the dark,on a circadian rhythm.