Experiments done by Charles Darwin and his son on plant pho…

Biology Plant Growth and Development General Single Correct MCQ

Published by: CGP EDU Academic Team

Published on: August 12, 2026

Experiments done by Charles Darwin and his son on plant phototropism showed that

auxin is produced in the tip of the coleoptile.

the tip of the coleoptile is the light receptor of the plant.

within coleoptiles, auxin moves laterally away from the source of the light.

more cell elongation takes place on the shaded side of the plant

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