Question
HLPaper 1A
The image shows seedlings that have been exposed to unidirectional light.
[Source: The Micro Gardener (https://themicrogardener.com/prevent-fix-leggy-seedlings/)]
Which statement explains the growth towards the light source?
A
Light causes auxin to inhibit cell division in the shoot meristem.
B
Light causes auxin to promote cell division in the shoot meristem.
C
Auxin is concentrated in the side of the shoot with light and inhibits cell elongation.
D
Auxin is concentrated in the side of the shoot without light and promotes cell elongation.