Question

Help Please !!

If a person wanted to stimulate root growth on a plant cutting, he could apply synthetic ____ to the stem.

a. abscisic acid
b. ethylene
c. gibberellin
d. auxin
e. strigolactone

Answer 1

d, auxins, Auxins are naturally occurring plant hormones. Different hormones perform specialized functions in plants, such as triggering ripe fruit to drop or retaining unripe fruit, elongating stems and stimulating root growth.