Question

Dr. F. Went noted that if coleoptile tips were removed and placed on agar for one hour, the agar would produce a bending when placed on one side of freshly cut coleoptile stumps. What significance is this experiment of?

• A. It is the basis for quantitative determination of small amounts of growthpromoting substances.
• B. It supports the hypothesis that IAA is auxin
• C. It demonstrated polar movement of auxins.
• D. It made possible the isolation and exact identification of auxin.

Answer 1

The Correct Option is C

The correct option (C): It demonstrated polar movement of auxins.