NEET Solved Paper 2014 Question 18
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. Of what significance is this experiment? [AIPMT 2014]
Options:
A) It made possible the isolation and exact identification of auxin
B) It is the basis for quantitative determination of small amounts of growth-promoting substances
C) It supports the hypothesis that IAA is auxin
D) It demonstrated polar movement of auxins
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Answer:
Correct Answer: D
Solution:
- Dr. F Went isolated auxin from Avena coleoptile tip. His experiment demonstrated the polar movement of auxins.
