a corn seed is germinated in the dark. The root growns in a downward direcion. This shows the effect of:
a. positive gravitropism
b. negative gravitropism
c. positive phototropism
d. negative phototropism
plz explain why you chose your answer
thx :D

Question

a corn seed is germinated in the dark. The root growns in a downward direcion. This shows the effect of:
a. positive gravitropism
b. negative gravitropism
c. positive phototropism
d. negative phototropism
plz explain why you chose your answer
thx :D

anonymous · Answer

(a) - because the  gravity direction  and root growth are in the  same . So it is positive  gravitropism.