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

It made possible the isolation and exact identification of auxin

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It is the basis for quantitative determination of small amounts of growth-promoting substances

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It supports the hypothesis that IAA is auxin

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It demonstrated polar movement of auxins

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Solution

The correct option is D It demonstrated polar movement of auxins
When coleoptile tips are placed on agar, agar produced bending when placed on one side of freshly cut coleoptile stumps. This is due to the polar movement of auxin in the stem.

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Q. 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. Of what significance is this experiment?

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. Of what significance is this experiment?

Q. 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 a freshly cut coleoptile stumps. Of what significance is this experiment.

Q. 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. Which of the following is the significance of this experiment?

Q. If the agar block in B was placed in the center of coleoptile (not sideways) what would have been the result?

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

The correct option is D It demonstrated polar movement of auxins When coleoptile tips are placed on agar, agar produced bending when placed on one side of freshly cut coleoptile stumps. This is due to the polar movement of auxin in the stem.

The correct option is D It demonstrated polar movement of auxins
When coleoptile tips are placed on agar, agar produced bending when placed on one side of freshly cut coleoptile stumps. This is due to the polar movement of auxin in the stem.