A) The apices of their stems are attracted by light
B) They need light for photosynthesis
C) Some auxins accumulates on the shaded side to induce greater cell elongation on that side
D) Light stimulates the cells on the illuminated side to increase in length
Correct Answer: C
Solution :
Accumulation of auxin at the apex of the plant, which is responsible for the phototropism movement so that plants cell are elongated.
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