NEET Previous Year Question
Dr F. Went noted that if coleoptiles 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?
Topic: NEET PYQ
Answer: B. Full step-by-step solution below.
- AIt made possible the isolation and exact identification of auxin.
- BIt is the basis for quantitative determination of small amounts of growth promoting substances.
- CIt supports the hypothesis that IAA is auxin.
- DIt demonstrated polar movement of auxins.
Correct answer: B
Solution
(b) Went's experiment led to the development of the Avena curvature test, used to measure auxin activity quantitatively.More Plant Growth & Development PYQs
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