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The concentration of auxin is highest in _______(a) leaves(b) stem(c) growing tips(d) vascular bundlesI got this question by my college director while I was bunking the class.Question is from Growth Regulators in Plants topic in portion Plant Growth and Development of Biology – Class 11

Answer»

Correct option is (c) GROWING tips

Easy EXPLANATION: The concentration of auxin is found to be highest in growing tips as they are the source of the hormone. It further SPREADS to leaves & stem. Vascular BUNDLES have no role in the activity of PGRs.



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