Select the mismatched pairGibberellic acid – Increases yield of sugarcaneCytokinin – Promotes apical dominanceEthylene – Sprouting of potato tuberAbscissic acid – Inhibits seed germination
Question
Select the mismatched pairGibberellic acid – Increases yield of sugarcaneCytokinin – Promotes apical dominanceEthylene – Sprouting of potato tuberAbscissic acid – Inhibits seed germination
Solution
The mismatched pair is "Cytokinin – Promotes apical dominance". Cytokinins are known to promote cell division and delay senescence in plants, but it's the auxins that promote apical dominance, not cytokinins. In fact, cytokinins often work to promote growth in the lateral buds of a plant, which is the opposite of promoting apical dominance.
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