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Q.
Which of the following option shows a pair of antagonist phytohormones with respect to the given feature?
NTA AbhyasNTA Abhyas 2020Plant Growth and Development
Solution:
Both auxin and gibberellin can promote parthenocarpy. Both ethylene and abscisic acid promote abscission. Both gibberellin and cytokinin delay senescence. However, gibberellin promotes seed germination while Abscisic acid inhibits seed germination. Thus, they are antagonistic.