Plant pigments are least effective in absorbing which color of light?
a. yellow c. red
b. green d. blue
Question 2It is important ____ to remove scabbed tissue, which is the way a cut flower naturally heals itself.
The waxy substance produced by the stem in order to halt moisture loss is actually impervious to
water.
a. to re-cut flower stems
b. to put flowers into warm water
c. to use special plant food
d. to immediately immerse cut stems in very cold water