Question

When a green plant is exposed to light only on one side, it bends toward the source of light as it grows because

• A. green plants need light for carrying on photosynthesis
• B. green plants seek light because they are phototrophic
• C. light stimulates plant cells on the lighted side to grow faster
• D. auxin accumulates on the shaded side stimulating greater cell elongation on that side

Answer 1

The correct option is D auxin accumulates on the shaded side stimulating greater cell elongation on that side

auxin accumulates on the shaded side.